Monthly Archives: June 2021

China completes another part of its own space station paving the way for astronauts to live there – CNBC

Posted: June 4, 2021 at 3:13 pm

A Long March-7 Y3 carrier rocket carrying the Tianzhou-2 cargo spacecraft blasts off from the Wenchang Spacecraft Launch Site on May 29, 2021 in Wenchang, Hainan Province of China.

Yuan Chen | VCG | Getty Images

GUANGZHOU, China China has completed another major part of its own space station, the latest in a string of ambitious extraterrestrial projects from the world's second-largest economy.

The Long March 7 rocket carrying the Tianzhou-2 cargo spacecraft took off at 8:55 p.m. local time on Saturday from the Wenchang launch site, according to the China Manned Space agency.

In the early hours of Sunday morning, Tianzhou-2 docked with the core module of the space station called Tianhe.

China's space station will be made of three modules which includes the Tianhe "core," cargo spacecraft such as Tianzhou-2 and laboratories. China will carry out 11 missions this year and next to complete the construction of the space station, and bring astronauts and supplies up too. The space station is expected to go into operation in 2022.

The docking of Tianzhou-2 has paved the way for China to launch astronauts to the space station. The cargo spacecraft carried up astronaut supplies including space suits and food. Shredded pork and kung pao chicken are among the food items transported to space, the official Xinhua news agency reported.

China's first self-developed space station will rival the International Space Station, which is a co-operative effort between the United States, Russia, Europe, Japan, and Canada. China is not involved.

Beijing has been putting a lot of emphasis on ambitious space projects. Last year, China completed its global navigation system called Beidou, a rival to the U.S. government-owned Global Positioning System (GPS).

After China launched its first major Mars mission last year, an unmanned Chinese spacecraft landed successfully on the Red Planet.

However, the Asian giant was criticized this month when the rocket carrying the core module for its space station, re-entered the earth's atmosphere uncontrolled and landed in the Indian Ocean.

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Guilford companys medical invention on shipment headed to the International Space Station – WTNH.com

Posted: at 3:13 pm

GUILFORD, Conn. (WTNH) A big day for Guilford company Butterfly Network with one of their high-tech medical devices launched into space to be used on the international space station.

Company founder Jonathan Rothberg, Ph.D. explains how they took bulky ultrasound technology and put it into a handheld device.

Its the worlds first and only handheld whole-body scanner so you can look into any part of your body by ultrasound which is completely safe and its built based on a semiconductor chip, says Rothberg.

A Butterfly iQ ultrasound device was on the SpaceX Dragon cargo resupply rocket that launched Thursday afternoon, heading for the International Space Station.

Now we can monitor the health of our astronauts every day.

The device connects by telemedicine with a doctor on Earth. It will be tested in the zero-gravity conditions, with the potential to be a key scanning device in long-term space flights like trips to Mars, which will take six months to get there.

Dr. Rothberg has had a long relationship with the NASA program and has other inventions.

Today I handed over to the SpaceX team our Detect and it wont just be for COVID-19, it will be for anything that comes up while youre in the space station so we have to be more self-sufficient.

He says more testing is needed but his test can be reprogrammed to detect any pathogen so the possibilities are endless for its use in space. The invention of the Butterfly iQ was not for space but rather to make medicine equitable and available to all corners of the world.

Were working with 100 charities or nongovernmental organizations to get the butterflyeverywhere where its needed.

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China’s New Space Station Will Be Powered by Ion Propulsion System – Interesting Engineering

Posted: at 3:13 pm

NASA's ion propulsion system

China's upcoming Tiangong space station's first module will be equipped with an ion propulsion system which will greatly improve energy efficiency and could slash journey times to Mars,the South China Morning Post(SCMP) reports.

Such thrusters have been used since the 1970s; however, the Tiangong's core module is set to become the first crewed spaceship propelled by ion drives. China is betting big on ion thrusters and intends to develop them on a far greater scale for its deep-space missions.

The space stations core Tianhe module,which will welcome its first astronauts later this month if all goes to plan, ispropelled by four ion thrusters, which utilize electricity to accelerate ions as a type of propulsion.

When compared to chemical propulsion, which keeps the International Space Station (ISS) in orbit, ion drives are much more efficient. According to the Chinese Academy of Sciences, the ISS's thrusters require four tons of rocket fuel to keep it afloat for a year, whereas ion thrusters would require only 882 pounds (400kg) to do the same.

Today's rocket technology would take a crew aboard a spaceship large enough to carry fuel and other supplies to Mars in more than eight months. However, according to some calculations by researchers, a vehicle powered by a 200-megawatt ion drive array may reduce the journey time to 39 days, allowing the mission to employ smaller vessels or carry more supplies.

It sounds good on paper, but its implementation hasn't been the best due to the thrust created not being significant enough. Most ion thrusters deployed in space, mostly in satellites, generate roughly 1 kilowatt of power, SCMP writes, but China's goal is much more ambitious.

An ion thruster generates thrust by accelerating ions using electricity: It ionizes a neutral gas by removing some electrons from atoms, creating a cloud of positive ions. When fired up, the ion drive emits blue fumes that are created by incredibly hot, electrically charged particles leaving the engine at speeds exceeding 30 times the speed of sound.

These charged particles can degrade engine components, reducing satellite longevity and possibly putting astronauts at risk. Moreover, the thrust is usually fairly low. However, the Chinese Academy of Sciences says they found a way to make it work.

The Chinese scientists put the thrusters through rigorous testing to make sure the engines could resist the damage caused by the particles. By putting a magnetic field over the engine's inner wall to repel damaging particles, they were able to protect the engine from erosion. They also developed a unique ceramic material designed to withstand severe heat or radiation for an extended period of time.m adoption has been hampered by the fact that the thrust produced isnt very significant.

Their ion thruster has reportedly run non-stop for more than 11 months without a hitch.

As space programs all around the world become more ambitious, it will be interesting to see if ion thrusters can be used in ways they have never been done before.

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Nelson to speak with Rogozin on the future of the ISS – SpaceNews

Posted: at 3:13 pm

WASHINGTON NASA Administrator Bill Nelson says he will soon speak with his Russian counterpart in the hopes of continuing long-standing cooperation between the two countries in space even as Russias ties to China grow stronger.

In a discussion with reporters at NASA Headquarters after his State of NASA speech June 2, Nelson said he is scheduled to speak by phone with Dmitry Rogozin, head of the Russian space agency Roscosmos, on June 4, regarding Russias willingness to continue participating in the International Space Station program.

What I hope is that theyre going to think long and hard before they would pull out of the cooperation that they have had with us, he said.

Some Russian officials have suggested in recent months that Russia could pull out of the ISS program as soon as the mid-2020s in favor of a new national space station program. Rogozin, in a June 3 interview with TASS, said that Russia had done all the research it wanted in the space stations orbit, at an inclination of 51 degrees, and argued that a new Russian station in a sun-synchronous orbit would be useful for monitoring Arctic regions.

Rogozin also said in the interview that the aging of the ISS, and growing maintenance costs, was a factor. While he did not commit to ending participation in the station as soon as 2025, he suggested the ISS would not last beyond 2030.

NASA officials have played down the prospects of Russia exiting the ISS partnership. Kathy Lueders, NASAs associate administrator for human exploration and operations, noted after the State of NASA event that two Russian cosmonauts had, earlier in the day, performed a spacewalk lasting more than seven hours to prepare for the removal of the Pirs module. That will free up a port for the new, and long-delayed, Nauka module scheduled for launch July 15.

Launching a new module and activating it is not a sign of pulling out of the relationship, she concluded.

At the same time that Russian officials have proposed ending cooperation with NASA on the ISS, they have taken steps to form a new partnership with China on a proposed International Lunar Research Station. The two countries have invited other nations to join that project, and plan to hold side meetings with prospective partners during the Global Space Exploration (GLEX) Conference later this month in St. Petersburg, Russia.

Nelson, who said he plans to participate virtually in that conference, raised an alarm about growing cooperation between China and Russia in space exploration. Now youre hearing the talk, and serious talk, about Russia and China hitching up together and going to the moon. That is concerning, he said.

Nelson did not mention specific topics for his discussion with Rogozin beyond the future of the ISS partnership. Rogozin said in the TASS interview that he expects to talk with Nelson about proposals to exchange seats between Soyuz and commercial crew vehicles, allowing NASA astronauts to ride on Soyuz spacecraft in exchange for Russian cosmonauts going on Crew Dragon and Starliner vehicles.

Rogozin called Nelson an experienced man in the interview and said he looked forward to his one-on-one call and Nelsons participation at GLEX. The man says wise things, he said of Nelson.

Speaking at a meeting of two National Academies committees May 25, Nelson offered measured praise for Rogozin, who remains sanctioned by the U.S. government for his role as deputy prime minister of Russia during its annexation of Crimea and incursion into eastern Ukraine in 2014.

He has been solid with regard to the continuation of the cooperation with us in space, and I hope that continues, Nelson said of Rogozin. I will certainly urge him to continue that.

Nelson also suggested after the State of NASA event that space may come up during a summit meeting between President Joe Biden and Russian President Vladimir Putin June 16 in Geneva. Nelson called Biden a space fan and noted the presidents several public appearances associated with NASA since taking office in January.

When he talks with Vladimir Putin, I bet that will be one of the things on their agenda, Nelson said.

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Astronauts share images of Himalayas and Italy taken from space. Seen them yet? – Hindustan Times

Posted: at 3:13 pm

Two astronauts, currently aboard the International Space Station, took to Twitter to share the images.

By Trisha Sengupta

PUBLISHED ON JUN 03, 2021 08:30 AM IST

If youre a regular user of the Internet, chances are you have seen the various images of Earth captured from the International Space Station (ISS). Amazing, mesmerising, and beautiful, are some among the many adjectives that people often use to react to such pictures. There is a high possibility that youll also be using those words and more after seeing these incredible images shared by two astronauts who are currently aboard ISS.

The first image is tweeted by astronaut Mark T. Vande Hei and it shows the majestic Himalayas. Somewhere on a clear, bright day in the Himalayas. I cant get enough views like this, he wrote while sharing the picture.

Another picture, shared by astronaut Shane Kimbrough, shows an Italian city named Turin. Turin, Italy a city with rich history and culture in northern Italy is easy to spot from @Space_Station, he shared along with the image.

Both the posts received tons of appreciative comments from people. Many expressed their wonder while reacting to the pictures.

What are your thoughts on the images shared by the astronauts?

By Khyati Sanger

PUBLISHED ON MAY 28, 2021 12:24 PM IST

NASA took to Instagram to share a picture of Istanbul, city seems to be glowing.

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China’s New Space Station Is Powered by Ion Thrusters – Futurism

Posted: at 3:13 pm

Chinas first module of its upcoming Tiangong space station makes use of ion drives, technology that could vastly cut down the time it takes to travel to Mars and greatly reduce the amount of fuel needed to make that trip, as the South China Morning Postreports.

The module, called Tianhe and launched in late April, is powered by four ion thrusters that use electricity to accelerate ions as a form of propulsion. In fact, the module could soon become the first spacecraft in history to transport humans using the technology, according to SCMP.

Ion drives are orders of magnitude more efficient compared to chemical propulsion. To keep the International Space Station in orbit for a year, the thrusters consume four tons of rocket fuel. With ion thrusters, itd need just 400 kilograms to stay in orbit for the same amount of time, according to the Chinese Academy of Sciences.

A trip to Mars could be cut down from eight months to just 39 days.

China is betting big on ion thrusters, hoping to use them not just for its space station but for upcoming satellite constellations and nuclear-powered spacecraft capable of carrying astronauts to Mars as well, according to SCMP.

The technology has been around for decades, but mainstream adoption has been hampered by the fact that the thrust produced isnt very significant. Scaling up the thrusters could end up putting astronauts in danger and shorten the lifespan of satellites.

But scientists at the Chinese Academy of Sciences may have cracked the code. One of its ion drives currently in development has been burning for more than 11 months straight, according to the newspaper.

A magnetic field makes sure the particles dont create any damage or erode the engine, while a special ceramic material stops it from getting damaged by radiation.

Space projects are usually very big, an anonymous Beijing-based space scientist told SCMP. A typical mission involves hundreds or even thousands of individuals. But the competition in space is essentially a competition over some very small but extremely important details.

The ion thruster is one of those areas where the devil is in the detail, the scientist added.

READ MORE: How Chinas space station could help power astronauts to Mars[South China Morning Sea]

More on ion thrusters: This Mini Ion Thruster Is Adorably Tiny

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Google and MIT prove social media can slow the spread of fake news – Fast Company

Posted: at 3:10 pm

During the COVID-19 pandemic, the public has been battling a whole other threat: what U.N. Secretary-General Antnio Guterres has called a pandemic of misinformation. Misleading propaganda and other fake news is easily shareable on social networks, which is threatening public health. As many as one in four adults has claimed they will not get the vaccine. And so while we finally have enough doses to reach herd immunity in the United States, too many people are worried about the vaccines (or skeptical that COVID-19 is even a dangerous disease) to reach that threshold.

However, a new study out of the Massachusetts Institute of Technology and Googles social technology incubator Jigsaw holds some hope to fixing misinformation on social networks. In a massive study involving 9,070 American participantscontrolling for gender, race, and partisanshipresearchers found that a few simple UI interventions can stop people from sharing fake news around COVID-19.

How? Not through literacy that teaches them the difference between reliable sources and lousy ones. And not through content thats been flagged as false by fact checkers, as Facebook has attempted.

Instead researchers introduced several different prompts through a simple popup window, all with a single goal: to get people to think about the accuracy of what theyre about to share. When primed to consider a storys accuracy, people were up to 20% less likely to share a piece of fake news. Its not that weve come up with an intervention you give people once, and theyre set, says MIT professor David Rand, who was also lead author of the study. Instead, the point is that the platforms are, by design, constantly distracting people from accuracy.

An early prototype accuracy prompt asked users to reflect on the accuracy of a news headline before continuing to browse. [Image: Jigsaw]At the beginning of the experiment, people were given a popup prompt, like being asked to rate the accuracy of a neutral headline. One example was, Seinfeld is officially coming to Netflix. This was simply to get them thinking about accuracy. Then they were presented higher-stakes content related to COVID-19 and asked if they would share it. Examples of the COVID-19 headlines people had to parse were, Vitamin C protects against coronavirus (false) and CDC: Coronavirus spread may last into 2021, but impact may be blunted (true). People who were primed to think about the accuracy of headlines were less likely to share false COVID-19 content.

A lot of the time, people can actually tell whats true and false reasonably well. And people say, by and large, they dont want to share inaccurate information, Rand says. But they may do it anyway because theyre distracted, because the social media context focuses their attention on other things [than accuracy].

An animated version of Jigsaws digital literacy tip experience: Variations on this design were tested for efficacy across multiple dimensions. [Image: Jigsaw]What other things? Baby photos. A frenemys new job announcement. The omnipresent social pressure of likes, shares, and follower counts. Rand explains that all of these things add up, and the very design of social media distracts us from our natural discernment.

Even if you are someone who cares about accuracy and is generally a critical thinker, the social media context just turns that part of your brain off, says Rand, who then recounted a time in the past year he discovered that hed shared an inaccurate story online, when he is in fact a researcher on just this topic.

MIT first pioneered the research theory. Then Jigsaw stepped in to collaborate on and fund the work while using its designers to build the prompts. Rocky Cole, research program manager at Jigsaw, says the idea is in incubation at the company, and he doesnt imagine it being utilized in Google products until the company ensures there are no unintended consequences of the work. (Meanwhile, Google subsidiary YouTube is still a dangerous haven for extremist misinformation, promoted by its own suggestive algorithms.)

Through the research, MIT and Jigsaw developed and tested several small interventions that could help snap a person back into a sensible, discerning state of mind. One approach was called an evaluation. All that amounted to was asking someone to evaluate whether a sample headline seemed accurate, to the best of their knowledge. This primed their discerning mode. And when subjects saw a COVID-19 headline after being primed, they were far less likely to share misinformation.

Another approach was called tips. It was just a little box that urged the user to Be skeptical of headlines. Investigate the source. Watch for unusual formatting. Check the evidence. Yet another approach was called importance, and it simply asked users how important it is for them to share only accurate stories on social media. Both of these approaches worked to curb the sharing of misinformation by about 10%.

An approach that didnt work was around partisan norms, which was a prompt that explained how both Republicans and Democrats felt it was important to share only accurate information on social media. Interestingly, when this norms approach was mixed with the tips approach or the importance approach, guess what? Tips and importance both became more effective. The overall conclusion is you can do lots of different things that prime the concept of accuracy in different ways, and they all pretty much work, Rand says. You dont need a special magical perfect way of doing it.

The only problem is that we still dont understand a key piece of the puzzle: How long do these prompts work? When do their effects wear off? Do users begin to tune them out?

Id hypothesize [these effects are] quite ephemeral, Cole says. The theory suggests people care about accuracy . . . but they see a cute cat video online and suddenly theyre not thinking about accuracy, theyre thinking about something else. And the more you see accuracy prompts, the easier it is to ignore them.

These unknowns point to avenues for future research. In the meantime, we do know that we have tools at our disposal, which can be easily incorporated into social media platforms, to help curb the spread of misinformation.

To keep people sharing accurate information, sites could require a constant feed of novel ways to get users to think about accuracy. Rand points to a prompt Twitter released during the last presidential election. He considers this prompt to be a very good bit of design, as it asks readers if they want to read an article before retweeting it, reminding them about the topic of accuracy. But Twitter has not updated the prompt in the many months since, and its probably less effective as a result, he says. The first time [I saw that] it was like Whoa! Shit!' Rand says. Now its like, yeah, yeah.'

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TOTALLY NOT FAKE NEWS: The Emergence of the Brood Texans – Battle Red Blog

Posted: at 3:10 pm

HOUSTON In what many experts are calling a massive infestation not seen in many years, there is a swarm of creatures overtaking the facilities in downtown Houston. So far, the infestation appears to be localized, most focused on the South, Central part of the city. However, we cant guarantee that this will remain the case in the future. We really dont know all that much about this particular brood, and we cant be sure about migratory patterns. noted sociologist Dr. Magic Septendecim.

At the latest count, we figure there are 72 or so of these particular creatures taking up residence around South Central Houston. Interestingly enough, they all seem concentrated in one specific area, forming nests in and around the NRG Stadium. Given the rarity of this creatures and this type of concentration, there is much more study and analysis we will need to perform before we can get the full picture of what we are dealing with as a community and a species.

What are these creatures that seemingly emerge from out of nowhere (perhaps out of the ground), buzz around areas, making a lot of noise and seemingly moving in less-than-graceful manners?

This is the localized species of Free Agentius Texacanus. While known to frequent this part of the city from the early spring, rising in numbers by late summer, but thinning out by autumn, the high numbers of individual creatures are especially unusual. While it is not unheard of for other parts of the country to experiences such a massive conflagration in a localized area, this is a once-in-decade-or-two event. Noted another mammalian researcher, Dr. Ci Cadia.

An emergence/swarming this big, it is leading many of us to think of these things as a brood. Ok, maybe they dont cover quite an area like the whole Brood X thing going on, but in their general living area, they are no less dense, and certainly, no less loud than the their six-legged counterparts.

So, what is the deal with the emergence of Brood Texans? Is this meant to rival the near biblical emergence of Brood X?

Well, I dont know about all of that scientifical stuff, but all I know is that we have a real need for free agents and new players. Especially at Linebacker and Running Back. Big demand opined Texans GM Nick Caserio.

After my time back at college, I was looking to expand my coaching horizons noted Texans Defensive Coordinator Lovie Smith. In particular, after one of our many rough Big Ten games, a couple of players showed me a lesson they were working on for biology. Ended up reading something about this type of bugs that only come out of the ground like once every 17 years or so. That seemed kinda coolor it could have been the hookah we were smoking (for medicinal purposes). Anyway, it was something that just always stuck in the back of my mind for the next few months. Then I get to Houston.

After talking with [Head Coach Dave] Culley, we then went into a meeting with Nick [Caserio]. That was one wild conversation. I noted how we seemed a little thin at linebacker, especially with my new Serie A inspired concepts, and [Offensive Coordinator] Tim [Kelly] kept saying that he wanted a deeper bench of running backs, and thus, our plan came to germinationfruitionevolution, oh whatever, that is when we went all Brood X on them.

Brood X?

Yeah, that we got from Dave. Before he left Baltimore, he kept reading about how the big Brood X was coming up out of the ground and taking over everything up there. Imagine, a swarm of cicadas. Our Swarming Cicada Defense and Rushing Attack! Doesnt that strike terror into the hearts of our opponents?

Actually chimed in Dr. Cadia, that has to be one of the dumbest statements I have ever heard. Yeah, the Brood X swarms around, and there are billions of those things, getting into everything. They are as loud AF when they are all chiming, but they fly around like staggering drunks, and the only thing they are aggressive about is mating. Then again, if youve been stuck underground for 17 years, and dont have a long life span, what do you think your priorities will be?

Oh, well, at least we have the whole depth thing going for us, countered Caserio. Why do you think we have SEVEN running backs on the roster, and 10, 12 LBs on the rosterthat, and we can flex the LBs and all the other positions. So, we lose a few. We just overwhelm our opponents with depth. We are quite scary, right?

Would this put fear into opposing teams? What say the East Coast Teams?

Wow, how dumb is that organization getting? I mean, they [cicadas] get all over the place, and they do sorta freak you out at first when the land all over everything. Yet, they dont hurt the crops, dont actually bite or sting, and if you get them on their backs, they are generally useless. You just crush the ones in your way, and you ignore the rest as you drive through them to get wherever observed one player.

This was the sentiment from just about everyone, well, except the Baltimore contingent, who seemed obsessed with using Old Bay to add some flavor to them, or just the fact that they use Old Bay in everything from cooking, to air freshening, to deodorant. You throw some Old Bay on anything, including a gross-looking bug, and for those who are full-up Maryland, their tongues will lap them all up, wings and all.

Normally, when a brood like Brood X comes out, that is a once in a lifetime/career opportunity. However, with Brood Texans...eh, not quite as many people looking to really study their habits. I guess someone will have to cover it, but dont think I will be on that crew stated Dr. Cadia. However, if you excuse me, I have some work to do... This probably did not have anything to do with a female colleague that was walking by, but we dont want to speculate.

Until then, we at Totally Not Fake News recommend that people remain calm. Brood Texans, while loud and maybe a little scary-looking, are really quite harmless and shouldnt be any cause for alarm. Just go calmly about your lives, and all will be fine, even if you have to scrap the remains off your windshield.

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We need to set up an international body to fight fake news – New Scientist

Posted: at 3:10 pm

The world has undoubtedly got a fake news problem there is a compelling case for setting up an international body to combat it, writes Graham Lawton

By Graham Lawton

Guy Bell/Shutterstock

I AM not a gambler, but every now and then something comes across my desk that looks worth a punt. Im also not a tipster who gives away their inside info? but Im going to have to show my hand, or this wont be much of a column. My tip for the day: Sheldon Himelfarb to win the Nobel peace prize.

Hardly a household name, admittedly. And not a bet that is likely to pay out any time soon. Im playing the long game, a bit like the time I decided to put a tenner on one of my sons

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Podcast: Will fake news about Covid outlive the pandemic? – The Irish Times

Posted: at 3:10 pm

A steady stream of false information has been a part of the Covid-19 pandemic, with many conspiracy theories emerging around the existence of the virus, whether it poses a real risk to health, and the safety of vaccines.

But where are these false claims about the virus and vaccines coming from and why do people believe them? Is there a large, coordinated network behind the spread of this false information or are these just individuals acting on their own? And as the pandemic subsides, what comes next?

Irish Times crime correspondent Conor Gallagher, who has been tracking the spread of false information over the past year, explains on todays podcast how people are no longer falling down rabbit holes of fake news online, but are sometimes being dragged into these spirals of disinformation by high profile figures.

Its very hard to accept that the world is so random and unpredictable that this pandemic can kill millions and theres not really much we can do about it. Its much easier to blame a government or pretend the pandemic doesnt exist, says Gallagher.

Almost inevitably it starts to drive a wedge between you and your loved ones and youre even more alone which reinforces your belief that youre the only one that has cottoned on to the truth.

In The News is hosted by reporters Conor Pope and Sorcha Pollak.

You can listen to the podcast:APPLESPOTIFYRSSACAST

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