Monthly Archives: August 2022

Amid Challenges, the UK Government Continues to Fund Quantum Success – Quantum Computing Report

Posted: August 23, 2022 at 12:10 am

By Carolyn Mathas

The UK touts itself as a world leader in quantum technologies and the truth is, they actually are. At the center of the UKs quantum effort is coming at the technology from a national position. The UK has been very strong where academia meets industry, and the country has a good track record of funding and then commercializing research. Much effort has lately been spent on training those that have little experience of computer engineering and recruiting mathematicians and computer scientists who are unfamiliar with quantum technologies, and the efforts are bearing fruit.

One organization, UK Research and Innovation (UKRI) is the largest public funder of research and innovation in the UK, is armed with a budget of more than 8 billion. UKRI is comprised of seven disciplinary research councils, Research England and Innovate UKhome to the industrial challenge on quantum.

The Quantum Technologies Challenge at UKRI was launched in 2018 under the Industrial Strategy Challenge Fund, receiving 173 million of funding. It provides catalytic grant funding for strategic collaborative projects and in doing so we encourage companies to work closely with universities and with each other. This community has, in three years, created new companies, launched new products and raised hundreds of millions of pounds of investment. Its success is linked to:

According to Roger McKinlay,Commercialising Quantum TechnologiesChallengeDirector for UKRI. On a global scale, were seeing enormous capital private capital flowing in. There is a vibrant community of start-up companies that are aiming to build the quantum computers of the future emerging predominantly from the UKs academic sector and driving excellent technical work. They are starting to raise significant investment on the back of robust and credible business models. Compared to a year ago, more money is flowing into quantum start-ups partly through collaborative research projects funded by government-backed programs, but also from increased interest among investment firms.

Increased interest has been driven in part by the mergerbetween UKs Cambridge Quantum and Honeywell Quantum Solutions that formed the worlds largest integrated quantum-computing company called Quantinuum. Other start-up firms report increased interest from venture capitalists, which together with government R&D grants is allowing even very young companies to expand rapidly.

When comparing the UKs efforts to the U.S., Youre in a slightly different situation in the US, because we dont have those tech giants. In the UK we must allow private investors the freedom to invest in what they need have to win, otherwise the UK wont be attractive. However, you also must publicly invest to keep a seat at the table so that the UK is getting sovereign control over what it needs to influence standards and to attract the right talent. This is a difficult game is and its a highly national-specific game, McKinlay explained.

While clearly the UKs efforts under UKRI have been successful, there is now uncertainty as to how it will be able to retain its research efforts and its researchers.

Theres a perfect storm brewing surrounding the funding of the UKs scientific community. Against the backdrop of the Prime Minister Boris Johnson stepping down and Science Minister George Freemans resignation, both posts are unfilled until September. Economically, the country is, along with the rest of the world, facing the inflation in 40 years, as energy costs continue to soar.

The major issue, of course, is access to the EUs flagship research program Horizon Europe. There was a deal between the UK and the EU on the table for the past two years. It enabled the UK to be an associate member of Horizon Europe. This gave UK researchers equal rights to those researchers in EU countries. Negotiations have faltered based on politics between the UK and the EU over a border implementation between the Republic of Ireland, a part of the EU and Northern Ireland, a part of the UK. Whats at stake if negotiations fail is daunting, and includes:

Based on the failed negotiations, the UK created a Plan B alternative to Horizon Europe, publishing details in apolicy paper, titledSupporting UK R&D and Collaborative Research Beyond European Programmes.

The UK, however, consistently maintains that it does not want to leave Horizon programs as it will clearly hamstring its research efforts in the near term. For example, it will take a lot of time and work to form new relationships and begin collaborating with such other countries as Australia, Japan, India, etc. as well as maintaining collaboration within the companies and countries in Europe.

What is likely, however, is that nothing will happen until a new Prime Minister is seated. At that point, the future of UKs Horizon access is likely to be announced, or the UKs international research program, Plan B will go forward.

Amid all of the uncertainty, the UK is still well-positioned to be a major player in the quantum industry. It has been doing over the past two years what several countries are just beginning. Its infrastructure to succeed is in place. Could the Horizon uncertainty cause a ripple in the UKs efforts? Of course. But its one that they will likely iron out quickly.

August 22, 2022

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Multiverse Computing and IKERLAN Detect Defects in Manufacturing with Quantum Computing Vision – High-Performance Computing News Analysis | insideHPC…

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SAN SEBASTIN, SPAINAugust 16, 2022Multiverse Computing, a quantum computing solutions company, and IKERLAN, a center in technology transfer value to industry, have released the results of a joint research study that detected defects in manufactured car pieces via image classification by quantum artificial vision systems.

The research team developed a quantum-enhanced kernel method for classification on universal gate-based quantum computers as well as a quantum classification algorithm on a quantum annealer. Researchers found that both algorithms outperformed common classical methods in the identification of relevant images and the accurate classification of manufacturing defects.

To the best of our knowledge, this research represents the first implementation of quantum computer vision for a relevant problem in a manufacturing production line, said Ion Etxeberria, CEO of IKERLAN. This collaborative study confirmed the benefits of applying quantum methods to real-world industrial challenges. We strongly believe that quantum computing will play a key role in providing AI-based solutions to particularly complex scenarios.

Quantum machine learning will significantly disrupt the automotive and manufacturing industries, said Roman Orus, Ph.D., Chief Scientific Officer at Multiverse Computing. We are pleased to witness the value of early applications quantum computing today, such as quantum artificial vision, and excited to enter a new era of machine learning alongside forward-thinking partners like IKERLAN as quantum technology continues to advance.

The co-authored paper, titled Quantum artificial vision for defect detection in manufacturing, shows examples of the images analyzed by the quantum algorithms and further details the context, metrics and methods used by the researchers and can be downloadedhere.

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Canadian non-profit gets funding to raise awareness of quantum computing threat – IT World Canada

Posted: at 12:10 am

A public-private agency that helps Canadian organizations shift to technologies that protect their encrypted data from being broken by quantum computers has been given a federal grant of $675,000 to help its work.

Public Safety Canada said Tuesday that the money going to Quantum-Safe Canada will support its work to prepare the countrys critical infrastructure for the quantum threat.

Organizations that hold encrypted data include governments, financial institutions, energy providers, research facilities, telcos, and manufacturers of sensitive products.

Quantum computers capable of breaking current encryption may be years away but organizations have to start preparing now, agency executive director Michele Mosca said in an interview.

And now means they should have their transition plans to quantum-safe solutions finished by next year. Thats because standardized quantum-resistant encryption algorithms are expected to be approved by the U.S. National Institute of Standards and Technology (NIST) in 2024, so high-risk organizations can begin their transition. That will include selecting solution providers and testing their solutions.

Related content: NIST names first four quantum-resistant tools

The top critical infrastructures with a big IT footprint really should be wrapping up their preparation and assessment phase in a year or so and be starting the roadmapping by 2024. By that year, things will start kicking into gear on the solutions side. The standardized algorithms will be ready and there will be no need to delay, Mosca noted.

Countries not necessarily friendly to the West, including China and Russia, are pouring hundreds of millions into quantum computing research. No one is quite sure when they will be able to produce a machine that can crack current encryption.

Related content: Montreal firm delivers quantum computer

But, Mosca said, given the time it will take for organizations to migrate to quantum-resistant solutions, they cant wait until one is churning away.

You have to at least tentatively pick a date by which you want your systems ready. You have to look at your risk tolerance, and if its less than 10 per cent meaning a 10 per cent chance of broken encryption will cause the firm serious damage you really want to have migrated within 10 years.

Some people may not want even a one per cent chance, in which case they have to do something faster, he added.

Major governments are aiming to transition their critical applications by the early 2030s, he pointed out. That may be nine years away, but Mosca warned it will take a lot of work to upgrade systems.

Dont forget, he added, the Canadian, U.S. and other governments have already decided to migrate their systems to quantum-safe solutions.

Related content: Companies warned in 2019 to start working on quantum-resistant solutions

Quantum-Safe Canada is a not-for-profit whose governing board includes Sami Khoury, head of the federal governments Canadian Centre for Cyber Security; Robert Gordon, former executive director and currently strategic advisor of the Canadian Cyber Threat Exchange; Vanda Vicars, chief operating officer of the Global Risk Institute in Financial Services; and consultant Brian OHiggins, an expert in public-key infrastructure.

Mosca, who also sits on the board, is a co-founder of the Institute for Quantum Computing and a professor at the University of Waterloo, as well as a co-founder of a quantum software startup called EvolutionQ.

There are four steps to quantum readiness, he said: Understanding what the problem is, understanding what it means to the organization and its peers, planning and testing quantum-safe solutions and, finally, deploying the solutions.

The funds announced Tuesday are small compared to the monies available in the public and private sectors for fundamental quantum research, he said. But money for awareness is vital.

This particular grant will help the energy and finance sectors understand the early preparation steps we neglect and wish [later] we had done.

The funds will also be spent to help identify the skills needed for the transition and implementation stages so vendors, colleges and universities can train and expand the workforce.

Its not just a few computer science programmers writing code that will be needed, he stressed. Project planners, managers, system integrators, experts in risk assessments, business analysts and more will be needed. And it wouldnt necessarily mean years of training. It could mean adding an extra course to a college degree, he added.

The federal funds come from Ottawas Cyber Security Co-operation Program, which was launched in 2019 under the National Cyber Security Strategy. Through the program, $10.3 million in funding was allocated to support projects that contribute to positioning Canada as a global leader in cyber security.

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Scientists blast atoms with Fibonacci laser to make an "extra" dimension of time – Livescience.com

Posted: at 12:10 am

By firing a Fibonacci laser pulse at atoms inside a quantum computer, physicists have created a completely new, strange phase of matter that behaves as if it has two dimensions of time.

The new phase of matter, created by using lasers to rhythmically jiggle a strand of 10 ytterbium ions, enables scientists to store information in a far more error-protected way, thereby opening the path to quantum computers that can hold on to data for a long time without becoming garbled. The researchers outlined their findings in a paper published July 20 in the journal Nature (opens in new tab).

The inclusion of a theoretical "extra" time dimension "is a completely different way of thinking about phases of matter," lead author Philipp Dumitrescu, a researcher at the Flatiron Institute's Center for Computational Quantum Physics in New York City, said in a statement. "I've been working on these theory ideas for over five years, and seeing them come actually to be realized in experiments is exciting."

Related: Otherworldly 'time crystal' made inside Google quantum computer could change physics forever

The physicists didn't set out to create a phase with a theoretical extra time dimension, nor were they looking for a method to enable better quantum data storage. Instead, they were interested in creating a new phase of matter a new form in which matter can exist, beyond the standard solid, liquid, gas, plasma.

They set about building the new phase in the quantum computer company Quantinuum's H1 quantum processor, which consists of 10 ytterbium ions in a vacuum chamber that are precisely controlled by lasers in a device known as an ion trap.

Ordinary computers use bits, or 0s and 1s, to form the basis of all calculations. Quantum computers are designed to use qubits, which can also exist in a state of 0 or 1. But that's just about where the similarities end. Thanks to the bizarre laws of the quantum world, qubits can exist in a combination, or superposition, of both the 0 and 1 states until the moment they are measured, upon which they randomly collapse into either a 0 or a 1.

This strange behavior is the key to the power of quantum computing, as it allows qubits to link together through quantum entanglement, a process that Albert Einstein dubbed "spooky action at a distance." Entanglement couples two or more qubits to each other, connecting their properties so that any change in one particle will cause a change in the other, even if they are separated by vast distances. This gives quantum computers the ability to perform multiple calculations simultaneously, exponentially boosting their processing power over that of classical devices.

But the development of quantum computers is held back by a big flaw: Qubits don't just interact and get entangled with each other; because they cannot be perfectly isolated from the environment outside the quantum computer, they also interact with the outside environment, thus causing them to lose their quantum properties, and the information they carry, in a process called decoherence.

"Even if you keep all the atoms under tight control, they can lose their 'quantumness' by talking to their environment, heating up or interacting with things in ways you didn't plan," Dumitrescu said.

To get around these pesky decoherence effects and create a new, stable phase, the physicists looked to a special set of phases called topological phases. Quantum entanglement doesn't just enable quantum devices to encode information across the singular, static positions of qubits, but also to weave them into the dynamic motions and interactions of the entire material in the very shape, or topology, of the material's entangled states. This creates a "topological" qubit that encodes information in the shape formed by multiple parts rather than one part alone, making the phase much less likely to lose its information.

A key hallmark of moving from one phase to another is the breaking of physical symmetries the idea that the laws of physics are the same for an object at any point in time or space. As a liquid, the molecules in water follow the same physical laws at every point in space and in every direction. But if you cool water enough so that it transforms into ice, its molecules will pick regular points along a crystal structure, or lattice, to arrange themselves across. Suddenly, the water molecules have preferred points in space to occupy, and they leave the other points empty; the spatial symmetry of the water has been spontaneously broken.

Creating a new topological phase inside a quantum computer also relies on symmetry breaking, but with this new phase, the symmetry is not being broken across space, but time.

Related: World's 1st multinode quantum network is a breakthrough for the quantum internet

By giving each ion in the chain a periodic jolt with the lasers, the physicists wanted to break the continuous time symmetry of the ions at rest and impose their own time symmetry where the qubits remain the same across certain intervals in time that would create a rhythmic topological phase across the material.

But the experiment failed. Instead of inducing a topological phase that was immune to decoherence effects, the regular laser pulses amplified the noise from outside the system, destroying it less than 1.5 seconds after it was switched on.

After reconsidering the experiment, the researchers realized that to create a more robust topological phase, they would need to knot more than one time symmetry into the ion strand to decrease the odds of the system getting scrambled. To do this, they settled on finding a pulse pattern that did not repeat simply and regularly but nonetheless showed some kind of higher symmetry across time.

This led them to the Fibonacci sequence, in which the next number of the sequence is created by adding the previous two. Whereas a simple periodic laser pulse might just alternate between two laser sources (A, B, A, B, A, B, and so on), their new pulse train instead ran by combining the two pulses that came before (A, AB, ABA, ABAAB, ABAABABA, etc.).

This Fibonacci pulsing created a time symmetry that, just like a quasicrystal in space, was ordered without ever repeating. And just like a quasicrystal, the Fibonacci pulses also squish a higher dimensional pattern onto a lower dimensional surface. In the case of a spatial quasicrystal such as Penrose tiling, a slice of a five-dimensional lattice is projected onto a two-dimensional surface. When looking at the Fibonacci pulse pattern, we see two theoretical time symmetries get flattened into a single physical one.

"The system essentially gets a bonus symmetry from a nonexistent extra time dimension," the researchers wrote in the statement. The system appears as a material that exists in some higher dimension with two dimensions of time even if this may be physically impossible in reality.

When the team tested it, the new quasiperiodic Fibonacci pulse created a topographic phase that protected the system from data loss across the entire 5.5 seconds of the test. Indeed, they had created a phase that was immune to decoherence for much longer than others.

"With this quasi-periodic sequence, there's a complicated evolution that cancels out all the errors that live on the edge," Dumitrescu said. "Because of that, the edge stays quantum-mechanically coherent much, much longer than you'd expect."

Although the physicists achieved their aim, one hurdle remains to making their phase a useful tool for quantum programmers: integrating it with the computational side of quantum computing so that it can be input with calculations.

"We have this direct, tantalizing application, but we need to find a way to hook it into the calculations," Dumitrescu said. "That's an open problem we're working on."

Originally published on Live Science.

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Wall Streets top analysts say these are their favorite stocks right now – CNBC

Posted: at 12:10 am

Uncertainty was a key theme in the past week as the summer rally seemed to run out of steam.

As tempting as it is to follow the day-to-day movements of the market, investors would be better served to think long term and pick their stocks accordingly.

Here are five stocks chosen by Wall Street's top pros, according to TipRanks, a platform that ranks analysts based on their performance.

Computer technology firm IonQ (IONQ) has progressed significantly through the second quarter of this year, according to a recent research report from Needham analyst Quinn Bolton.

Important contracts, reinforced guidance for the full year, and other key developments were made in the second quarter. (See IonQ Earnings Date & Reports on TipRanks). Earlier this year, IonQ also launched its 32-qubit quantum computer, Aria.

Bolton notes that the company's strong balance sheet "should enable them to reach broad quantum advantage and become a positive cash flow generator without having to raise additional capital." Given the current market conditions and high cost of borrowing, this is good news.

The analyst also believes that the Aria 32-qubit will help IonQ achieve consistent system scaling and revenue bookings. Also, encouraged by the company's competitive edge provided by its trapped ion approach to quantum computing, Bolton believes that IonQ stands to benefit from the increasing popularity of the quantum industry and the growing investments being made to boost it.

Bolton reiterated a buy rating on IonQ with a price target of $9.

Bolton has a No.1 position among more than 8,000 analysts tracked on TipRanks. He has also had 73% success with his ratings, generating an average return of 45.2%.

Cyxtera (CYXT) is a provider of data center colocation and interconnection services for service providers, enterprises and government institutions. The company, like most of its peers in the tech sector, has been suffering from a challenging macro environment.

Moreover, in its recent second-quarter report, Cyxtera lowered its full-year 2022 guidance after factoring in foreign exchange headwinds, macroeconomic setbacks, delays in the implementation of its new Northern California data center and unfavorable timing for certain cost recoveries. (See Cyxtera Blogger Opinions & Sentiment on TipRanks).

However, RBC Capital analyst Jonathan Atkin pointed out a few upsides to the company's growth, which indicates that the CYXT stock can be a compelling buy for the longer-term.

The most important secular growth driver, according to Atkin, is the growing demand for data and connectivity as new technology and associated applications start rolling out. Additionally, the analyst also mentioned "rapid growth in IT outsourcing, data usage, and cloud and hybrid growth as enterprises realize digital transformation goals" as other positive factors.

Although current market conditions and operational environment prompted Atkin to decrease his price target to $14 from $16, he reiterated a buy rating on Cyxtera.

Atkin is currently at No. 11 among approximately 8,000 analysts tracked on the platform. Moreover, 78% of his ratings have been profitable, garnering 15.8% returns per rating on average.

The next on our list is the largest microchip manufacturer in the U.S., GlobalFoundries (GFS). The company recently beat its second-quarter goals, amid concerns of a demand slowdown in the consumer-exposed end markets like smartphones and PCs.

Reiterating a buy rating, Deutsche Bank analyst Ross Seymore explained that its increasing long-term agreement pipeline, focus on expanding its single-source business, growth in profitable unit volume, and meaningfully lower capital risk are expected to lift investor confidence in the stock. (See GlobalFoundries Stock Investors sentiments on TipRanks).

The analyst also raised the price target to $65 from $60 after attending the Analyst Day event held by Global Foundries following the Q2 print. Seymore was encouraged by "the company's ability to weather a macro/sector-specific slowdown while delivering continued increases in profitability driven by ASP growth, new single-sourced DWINs, and disciplined cost & OpEx management."

Seymore's track record gives us a solid reason to trust his research and opinion. At No.4 among more than 8,000 analysts followed on TipRanks, the analyst has a success rate of 80% on his ratings, generating average returns of 25.9%.

Retail chain Walmart's (WMT) recently released quarterly results reflected the resilience that consumers showed amid precarious market conditions. Not only that, operational improvements, continuous scaling of alternative income streams, and an innovative growth strategy are helping Walmart stay afloat.

Following the print, Baird analyst Peter Benedict reinforced a buy rating on the WMT stock and kept the price target at $140. (See Walmart Hedge Fund Trading Activity on TipRanks).

Benedict notes that Walmart's progress in optimizing inventory is a positive. "Looking ahead, additional pricing actions planned for 3Q should help WMT further right-size inventory levels/mix across 2H," the analyst wrote.

Moreover, Benedict also acknowledged the current leadership's efforts to keep Walmart ahead of others in the constantly evolving retail landscape. "CEO Doug McMillon's bold strategy to reshape WMT into a more nimble, fully integrated omni-channel retailer has generated real momentum across the business at a time when many traditional retailers are losing relevancy with consumers," the analyst said.

Benedict holds the No.77 position among around 8,000 analysts tracked on the platform. Moreover, his ratings have been successful 71% of the time, generating average returns of 16.1%.

Continuing our focus on the retail sector, leading home improvement chain Home Depot (HD) is another company that is on the buy list of Peter Benedict. The company also delivered upbeat second-quarter results alongside its peer Walmart.

Benedict believes that the management's unchanged outlook for the second half of this year reflects the possibility that the company expects some protection from any significant change in price-related demands through the rest of this year. (See Home Depot Stock Chart, Price History & Graphs on TipRanks).

The analyst is also confident that the company's strategic investments will bear fruit. "While HD has been realizing benefits from several of its strategic investments (front-end redesign/in-store navigation, merchandising resets, online assortment expansion, faster fulfillment options), momentum should continue to build as HD leverages its ecosystem of capabilities to deliver a seamless (and more personalized) shopping experience," said Benedict.

Reiterating a buy rating on Home Depot and raising the price target to $360 from $335, Benedict anticipates that the strategic investments made by the company last year will bolster its leadership position in the market and lead to share gains.

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India now home to 3K deeptech startups that raised $2.7bn in 2021 – Punjab News Express

Posted: at 12:10 am

NEW DELHI: India is witnessing a boom in deeptech startups in niche areas like cybersecurity, quantum computing, AI and semiconductor, and the country is now home to more than 3, 000 such startups that raised $2.7 billion in 2021 -- a 1.6 times growth over 2020 -- a new Nasscom report said on Monday.

The country added over 210 deeptech startups in 2021 alone, and Bengaluru and Delhi-NCR are leading them in the country, according to a Nasscom-Zinnov report.

"The Indian deeptech ecosystem has also fortified the job creation with over 4, 000 people being employed across 14 potential deeptech unicorns and is expected to increase by 2X in headcount by 2026, " said Debjani Ghosh, President, Nasscom.

The country is now home to 500 inventive deeptech startups, creating workforce across technologies such as drones, robotics, 3D printing and AI -- with the potential to develop new intellectual properties backed by scientific advances and fundamental research.

The deeptech ecosystem has grown at a staggering rate of 53 per cent CAGR in the last 10 years, growing at par with the Indian tech startups.

Nearly 70-75 per cent deeptech startups have at least 15 per cent of their workforce skilled in deep technologies, the report mentioned.

"Strategic partnership with the government, academia, global investors, streamlined corporate collaboration and dedicated test-bed programmes can create a massive impact on India's deeptech story, " said Ghosh.

Although in a nascent stage compared to the US, Europe, Israel and China, the Indian deeptech ecosystem is expanding fast.

The industry is witnessing more start-ups emerging to solve global mega challenges of clean tech, zero hunger, smart cities and climate actions, the report said.

In 2021, over 270 unique startups raised $2.7 billion across 319 deals, with AI and big data and analytics being the top technologies raising equity investments.

The seed stage startups have witnessed a 2.3 times growth in equity investments in 2021, as compared to 2020, raising a total of $186 million funding in 2021.

Among verticals, supply chain management (SCM) and logistics were the most funded sectors in 2021, with deeptech startups raising funding across use cases like drone delivery, autonomous delivery bots, cold chain monitoring and fleet management, the report noted.

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Rewritten Narrative on the Evolution and Diversity of Reptiles – AZoCleantech

Posted: at 12:09 am

Some 250 million years ago, during the conclusion of the Permian and the beginning of the Triassic, therate of evolution and diversity amongst reptiles began to soar, resulting in a bewildering array of skills, body types, and characteristics.

Artistic reconstruction of the reptile adaptive radiation in a terrestrial ecosystem during the warmest period in Earths history. Image depicts a massive, big-headed, carnivorous erythrosuchid (close relative to crocodiles and dinosaurs) and a tiny gliding reptile at about 240 million years ago. The erythrosuchid is chasing the gliding reptile and it is propelling itself using a fossilized skull of the extinct Dimetrodon (early mammalian ancestor) in a hot and dry river valley. Image Credit: Henry Sharpe

This development helped to clearly define both their extinct lineages and those still living today as one of the most diverse groups of animals the world has ever seen.

For a long time, the reason for this success was thought to be the extinction of their rivals during two of the planets largest mass extinction events, which occurred around 261 and 252 million years ago.

By reconstructing how the anatomy of ancient reptiles developed and comparing it with millions of years of climatic change, a new study conducted by Harvard has rewritten that theory.

Researchers led by Harvard paleontologist Stephanie Pierce found that the morphological diversification and evolution of early reptiles began not just years before these mass extinction events, but also as a direct result of the climate change that led to those events in the first place.

We are suggesting that we have two major factors at playnot just this open ecological opportunity that has always been thought by several scientistsbut also something that nobody had previously come up with, which is that climate change actually directly triggered the adaptive response of reptiles to help build this vast array of new body plans and the explosion of groups that we see in the Triassic.

Tiago R. Simes, Study Lead Author and Postdoctoral Fellow, Harvard University

Basically, [rising global temperatures] triggered all these different morphological experimentssome that worked quite well and survived for millions of years up to this day, and some others that basically vanished a few million years later, added Simes.

The researchers describe the extensive anatomical changes that occurred in many reptile groups, including the ancestors of crocodiles and dinosaurs, as a result of significant climate shifts that occurred between 260 and 230 million years ago in their paper, which was published on August 19th, 2022, in Science Advances.

The study offers a detailed examination of how a broad group of creatures evolved due to climate change, which is particularly important at this time given the steady increase in temperatures.

In fact, the amount of carbon dioxide released into the atmosphere today is around nine times greater than it was during the Permian-Triassic mass extinction, which occurred 252 million years ago and is considered to be the largest climate change-related mass extinction in history.

Major shifts in global temperature can have dramatic and varying impacts on biodiversity. Here we show that rising temperatures during the Permian-Triassic led to the extinction of many animals, including many of the ancestors of mammals, but also sparked the explosive evolution of others, especially the reptiles that went on to dominate the Triassic period.

Stephanie E. Pierce, Thomas D. Cabot Associate Professor, Organismic and Evolutionary Biology, Harvard University

Pierce is also a curator of vertebrate paleontology in the Museum of Comparative Zoology.

Simes traveled to more than 20 countries and more than 50 different institutions to take scans and photographs of more than 1,000 reptile fossils for the project, which required close to eight years of data collecting.

With all of the data, the researchers produced a sizable dataset that was examined using cutting-edge statistical techniques to generate a diagram known as an evolutionary time tree. Time trees show the relationships between early reptiles, the beginning of their lineages, and the rate of evolution. They then merged it with prehistoric global temperature records.

It is evident that these alterations were not brought about by the Permian-Triassic extinction as previously believed because reptile body plans began to diversify roughly 30 million years before the catastrophe. However, the extinction events did contribute to getting them going.

The data also revealed that most reptile lineages underwent fast bodily modifications after increases in global temperatures, which began around 270 million years ago and persisted until at least 240 million years ago.

For instance, some of the larger cold-blooded species have evolved to grow smaller to make room for an easier cooling down, while others have evolved to live in water to achieve the same result.

A large, long-necked aquatic reptile, originally believed to be the Loch Ness monster, a tiny chameleon-like creature with a bird-like skull and beak, and a gliding reptile like a gecko with wings were all part of the latter group. Furthermore, it includes the ancestors of modern reptiles like turtles and crocodiles.

The ancestors of the first lizards and tuataras were smaller reptiles who followed a distinct evolutionary trajectory from that of their larger reptile cousins. The increasing temperatures caused their evolutionary rates to slow and stabilize.

According to the researchers, the reason is that smaller-bodied reptiles were already more acclimated to the increasing heat because they could dissipate heat from their bodies more readily than larger reptiles when temperatures rose rapidly all across Earth.

The researchers intend to build on this study by examining the effects of environmental disasters on the evolution of species with a great deal of modern diversity, such as the major lizard and snake groups.

Simes, T. R., et al. (2022) Successive climate crises in the deep past drove the early evolution and radiation of reptiles. Science Advances. doi:10.1126/sciadv.abq1898.

Source: https://www.harvard.edu/

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Revelations from 17-million-year-old ape teeth could lead to new insights on early human evolution – The Conversation Indonesia

Posted: at 12:09 am

The timing and intensity of the seasons shapes life all around us, including tool use by birds, the evolutionary diversification of giraffes, and the behaviour of our close primate relatives.

Some scientists suggest early humans and their ancestors also evolved due to rapid changes in their environment, but the physical evidence to test this idea has been elusive until now.

After more than a decade of work, weve developed an approach that leverages tooth chemistry and growth to extract information about seasonal rainfall patterns from the jaws of living and fossil primates.

We share our findings in a collaborative study just published in Proceedings of the National Academy of Sciences.

During childhood our teeth grow in microscopic layers similar to the growth rings found in trees. Seasonal changes in the world around us, such as droughts and monsoons, influence our body chemistry. The evidence of such changes is recorded in our teeth.

Thats because the oxygen isotope composition of drinking water naturally varies with temperature and precipitation cycles. During warm or dry weather, surface waters accumulate more heavy isotopes of oxygen. During cool or wet periods, lighter isotopes become more common.

These temporal and climatic records remain locked inside fossilised tooth enamel, which can maintain chemical stability for millions of years. But the growth layers are generally so small that most chemical techniques cant measure them.

To get around this problem, we teamed up with geochemist Ian Williams at the Australian National University, who runs the world-leading Sensitive High Resolution Ion Microprobe (SHRIMP) facilities.

In our study, we collected detailed records of tooth formation and enamel chemistry from slices of more than two dozen wild primate teeth from equatorial Africa.

We also analysed two fossil molars from an unusual large-bodied ape called Afropithecus turkanensis that lived in Kenya 17 million years ago. Diverse groups of apes inhabited Africa during this period, roughly 10 million years before the evolution of our early ancestors, the hominins.

Several aspects of our research are helpful for understanding the link between environmental patterns and primate evolution.

First, we observe a direct relationship between historic African rainfall patterns and primate tooth chemistry. This is the first test of a highly influential idea in archaeological and earth sciences applied to wild primates: that teeth can record fine details of seasonal environmental change.

We are able to document annual west African rainy seasons and identify the end of east African droughts. In other words, we can see the storms and seasons that occur during an individuals early life.

And this leads into another important aspect. We provide the largest record of primate oxygen isotope measurements collected so far, from diverse environments in Africa that may have resembled those of ancestral hominins.

Lastly, weve been able to reconstruct annual and semi-annual climate cycles, and marked environmental variation, from information held within the teeth of the two fossil apes.

Our observations support the hypothesis that Afropithecus developed certain features to adapt to a seasonal climate and challenging landscape. For example, it had specialised dental traits for hard object feeding, as well as a longer period of molar growth compared with earlier apes and monkeys consistent with the idea that it consumed more seasonally varied foods.

We conclude our work by comparing data from Afropithecus to earlier studies of fossil hominins and monkeys from the same region in Kenya. Our detailed microsampling shows just how sensitive tooth chemistry is to fine-scale climate variation.

Previous studies of more than 100 fossil teeth have missed the most interesting part of oxygen isotope compositions in teeth: the huge seasonal variation on the landscape.

Read more: What teeth can tell about the lives and environments of ancient humans and Neanderthals

This novel research approach, coupled with our fossil ape findings and modern primate data, will be crucial for future studies of hominin evolution especially in Kenyas famous Turkana Basin.

For example, some researchers have suggested that seasonal differences in foraging and stone tool use helped hominins evolve and coexist in Africa. This idea has been hard to prove or disprove, in part because seasonal climatic processes have been hard to tease out of the fossil record.

Our approach could also be extended to animal remains from rural Australia to gain further insight into historic climate conditions, as well as the prehistoric environmental changes that shaped Australias unique modern landscapes.

Read more: Archaeology can help us prepare for climates ahead not just look back

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Revelations from 17-million-year-old ape teeth could lead to new insights on early human evolution - The Conversation Indonesia

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Impact of Cardiac Damage After AVR: Prognosis and Evolution – Physician’s Weekly

Posted: at 12:09 am

It was uncertain how aortic valve replacement (AVR) affects the progression/regression of extra valvular cardiac injury and its relationship to eventual prognosis. For a study, researchers sought to examine the progression of cardiac injury after AVR and its relationship to outcomes.

Patients from the PARTNER (Placement of Aortic Transcatheter Valves) 2 and 3 studies who had transcatheter or surgical AVR were pooled and categorized by cardiac injury stage at baseline and 1 year (stage 0, no damage; stage 1, left ventricular damage; stage 2, left atrial or mitral valve damage; stage 3, pulmonary vasculature or tricuspid valve damage; and stage 4, right ventricular damage). The connection between the change in heart damage after AVR and 2-year outcomes was assessed using proportional hazards models.

Among 1,974 patients, 140 (7.1%) had stage 4 pre-AVR, 121 (6.1%) had stage 0, 287 (14.5%) had stage 1, 1,014 (51.4%) had stage 2, and 412 (20.9%) had stage 3. The degree of cardiac injury at baseline and after one year was related to two-year death. At 1 year, heart injury improved in 15% of patients compared to baseline, stayed stable in 60%, and worsened in 25% of patients, with mortality (adjusted HR for improvement: 0.49; no change: 1.00; worsening: 1.95; P=0.023) and the composite of death or heart failure hospitalization (adjusted HR for improvement: 0.60; no change: 1.00; worsening: 2.25; P<0.001) at 2 years, the 1-year change in cardiac damage stage was independently associated.

The degree of extravalvular cardiac injury at baseline and its change at 1 year had significant prognostic consequences in patients receiving AVR. According to the findings, global cardiac function and prognosis might be improved by earlier identification of aortic stenosis and intervention before the onset of irreparable heart damage.

Reference: jacc.org/doi/10.1016/j.jacc.2022.05.006

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Impact of Cardiac Damage After AVR: Prognosis and Evolution - Physician's Weekly

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Regions role in the evolution of flight on display in Springfield next 2 days – Springfield News Sun

Posted: at 12:09 am

The forum will also see participants from universities, other governmental agencies such as the Ohio Department of Transportation, researchers, the Vertical Flight Society as well as those who work with the aviation, defense and healthcare industries. The event will be hosted in downtown Springfield and at Springfield-Beckley. It will see flight demonstrations, simulators used for testing and development and the sharing of information related to the states efforts to build a collaborative aviation ecosystem and a strong supply chain as well as the different applications of air mobility technology, such as how it can be utilized for healthcare.

Its about connecting folks to the Ohio supplier base and our universities so they can take advantage of those capabilities and build relationships. It also serves to attract those companies and have them come to Ohio so they can be close to those different partners either on the industry, supplier side or on the academic side, Bryant said.

The event also comes at a time as local, regional and state officials say that the continued work centered around that technology in the area can lead to manufacturing opportunities. The state as well as the greater Dayton region, including Springfield, have been working over the years to get in on the ground floor in relation to air mobility.

The idea is that as development and testing continues and that work sees more investment, companies that want to mass produce that technology will set up manufacturing facilities. Officials in the state and region say that the area is well positioned for those opportunities, citing available manufacturing space and growing partnerships between governmental, educational and business entities as well as supply routes and infrastructure.

More companies and manufacturing in Ohio as a result of air mobility development can add jobs and further strengthen the states economy.

That can also benefit the states traditional manufacturing presence, especially in Springfield and Clark County as a whole.

Our traditional supplier base in the community and region will have opportunities to serve that new industry, those new vehicles as they come online, said Tom Franzen, assistant city manager and director of Economic Development for the City of Springfield.

The growth of that cutting edge flight technology and continued interest in its capabilities has led to Springfields airport becoming an important location for the research and testing of unmanned aerial vehicles, known as drones, and air mobility technology. As a result, a $9.3 million National Advanced Air Mobility Center of Excellence is being constructed there. The 30,000 square-foot, two-story facility will accommodate university and government research and companies developing that technology that already have a presence at the airport. It will also provide 25,000 square-feet in hanger space.

That center, which is expected to be operational by the end of 2023, is slated to attract more companies looking to develop that technology as well as be used by other entities that are part of the program called Agility Prime. The Air Force launched the $35 million program in order to create and speed a commercial market for advanced air mobility aircraft.

We have interest from a dozen companies that want to have space in that facility, Franzen said of the air mobility center.

Springfield-Beckley benefits from its Ohio Air National Guard presence along with its proximity to institutions such as Wright Patterson Airforce base in the Dayton area. The airport along with the region as a whole has seen continued investment over the years to accommodate the development of air mobility technology and drone development. That includes flight simulators, charging stations and radar systems.

That previous work to add infrastructure as well as programs such as Agility Prime and cheaper testing cost have garnered interest from universities and companies that want to get closer to the research and development of air mobility technology.

The forum will allow the public to get up close and actually see what those aircraft will look like and how they will function and operate. The second day of the forum will see a ground breaking ceremony for the Advanced Air Mobility Center.

Money for the construction of that center will come from a roughly $6 million grant from the Department of Defense and JobsOhio has pledged support contingent on final approval of $2.9 million. The city is expected to cover the balance.

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Regions role in the evolution of flight on display in Springfield next 2 days - Springfield News Sun

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