Monthly Archives: April 2014

Sun reflections from the International Space Station April 10 2014 – Video

Posted: April 11, 2014 at 6:45 am


Sun reflections from the International Space Station April 10 2014
Sun reflections from the International Space Station April 10 2014 By Courtesy of NASA.

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Space Legs for NASA's Robonaut 2 to Ride SpaceX Dragon Into Orbit

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A robotic humanoid astronaut on the International Space Station is about to get its legs.

NASA has crafted a pair of space legs for Robonaut 2, its robotic astronaut torso on the space station now. The legs will fly to space aboard SpaceX's unmanned Dragon capsule, set to launch from Cape Canaveral Air Force Station in Florida on Monday (April 9).

Once installed, the legs will give Robonaut 2 which is currently attached to a support post on the orbiting outpost an extended leg span of 9 feet (2.7 meters), according to NASA. The legs are expected to allow Robonaut 2 (R2 for short) the flexibility to move about the station. Eventually, NASA officials hope that R2 will be able to perform repetitive tasks inside and outside the space laboratory, allowing astronauts to focus on more complex work. [See more photos of Robonaut 2 on Earth and in space]

"The new legs are designed for work both inside and outside the station, but upgrades to R2's upper body will be necessary before it can begin work outside the space station," NASA officials said in a statement released in March.

R2's legs are not like a human's lower limbs. The legs each have seven joints and in place of feet, the robot will have an "end effector" attached to the end of each leg, NASA officials said. The end effector allows R2 to use sockets and handrails inside and outside the station, and the two devices also come equipped with vision tools that controllers can use to visualize and automate the movements of the legs, NASA added.

Robonaut 2 has been onboard the space station since February 2011, and since that time, it has performed a variety of tasks to show its usefulness in microgravity. The $2.5 million humanoid robot can flip switches, press buttons and turn nobs.

"In preparation for future spacewalks, R2 has worked inside the space station with space blankets and other flexible materials, both through ground control and through teleoperation by the on-board crew," NASA officials added.

Monday's launch will be the third official cargo mission to the International Space Station for SpaceX. The private spaceflight company has a $1.6 billion contract with NASA to fly 12 missions to the station using the Dragon capsule and Falcon 9 rocket.

NASA is planning to do initial checks of the legs in late June, and after that checkup, Robonaut 2 is expected to make its first steps on the space station.

The space agency also has a twin R2 on the ground. Recently, that robot was used to perform an ultrasound scan on a mannequin and administer an injection to the dummy. The Earth-bound R2 was remotely controlled by a doctor while performing the tasks, a potentially useful option in space, where astronauts are far from hospitals.

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NASAs new Martian braking system paving way to easier human colonization

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WATCH: Seven Minutes of Terror

TORONTO If humans are going to settle on Mars, it means better technology will be needed to deliver heavier payloads. And NASA already has a plan for that.

NASAs Jet Propulsion Laboratory (JPL) revealed its Supersonic Inflatable Aerodynamic Decelerators (SIAD) on Wednesday, a system that will be able to deliver 15 times the weight of the last payload to Mars, the Mars Science Laboratory, more familiarly known as Curiosity.

Mars has very little atmosphere (therefore less drag to slow things down), which makes landing there somewhat challenging. The exciting landing of Curiosityused several technologies, but it still relied on technology that was 40 years old, mainly a parachute.

But the parachutes that are currently available for landing on the red planet arent capable of being affixed to large payloads. Thats where NASAs UFO-looking braking mechanism comes in.

The atmosphere of Mars is extremely thin. Its about one per cent the thickness of Earths atmosphere, which means that in order to slow down, you need really big things to react against the atmosphere, more surface area, or drag area, and thats why you need bigger parachutes, said Ian Clark, Principal Investigator for the Low-Density Supersonic Decelerator (LDSD) program.

READ MORE: Mars dirt a water reservoir, Curiosity finds

Eventually, humans are going to land on Mars, Clark said. And the task of sending materials ahead of time or even human beings themselves will require improved accuracy and heavier payloads.

When you start talking humans, you start talking masses 10 to 15 tons. MSL was a one-tonne rover, and that was a very difficult landing, in it took all of the technologies we had available, said Clark.

If we want to go bigger, were going to need something new.

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Is This A Human/Alien Genetically Engineered? – Video

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Is This A Human/Alien Genetically Engineered?
Mankind #39;s Creation from Alien Genetic Engineering (Full Documentary) . . . 2013 This documentary and the rest of the documentaries here are about impor. Wow....

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Ap genetic engineering 1 – Video

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Ap genetic engineering 1

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AP genetic engineering 2 – Video

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AP genetic engineering 2

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mr i explains: The Process of Genetic Engineering (for KS4) – Video

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mr i explains: The Process of Genetic Engineering (for KS4)

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Researchers Develop Bacterial FM Radio

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April 10, 2014

Image Caption: Independent genetic circuits are linked within single cells, illustrated under the magnifying glass, then coupled via quorum sensing at the colony level. Credit: Arthur Prindle, UC San Diego

By Kim McDonald, UC San Diego

Programming living cells offers the prospect of harnessing sophisticated biological machinery for transformative applications in energy, agriculture, water remediation and medicine. Inspired by engineering, researchers in the emerging field of synthetic biology have designed a tool box of small genetic components that act as intracellular switches, logic gates, counters and oscillators.

But scientists have found it difficult to wire the components together to form larger circuits that can function as genetic programs. One of the biggest obstacles? Dealing with a small number of available wires.

A team of biologists and engineers at UC San Diego has taken a large step toward overcoming this obstacle. Their advance, detailed in a paper which appears in this weeks advance online publication of the journal Nature, describes their development of a rapid and tunable post-translational coupling for genetic circuits. This advance builds on their development of biopixel sensor arrays reported in Nature by the same group of scientists two years ago.

The problem the researchers solved arises from the noisy cellular environment that tends to lead to highly variable circuit performance. The components of a cell are intermixed, crowded and constantly bumping into each other. This makes it difficult to reuse parts in different parts of a program, limiting the total number of available parts and wires. These difficulties hindered the creation of genetic programs that can read the cellular environment and react with the execution of a sequence of instructions.

The teams breakthrough involves a form of frequency multiplexing inspired by FM radio.

This circuit lets us encode multiple independent environmental inputs into a single time series, said Arthur Prindle, a bioengineering graduate student at UC San Diego and the first author of the study. Multiple pieces of information are transferred using the same part. It works by using distinct frequencies to transmit different signals on a common channel.

The key that enabled this breakthrough is the use of frequency, rather than amplitude, to convey information. Combining two biological signals using amplitude is difficult because measurements of amplitude involve fluorescence and are usually relative. Its not easy to separate out the contribution of each signal, said Prindle. When we use frequency, these relative measurements are made with respect to time, and can be readily extracted by measuring the time between peaks using any one of several analytical methods.

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Therapeutic options and bladder-preserving strategies in bladder cancer

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PUBLIC RELEASE DATE:

10-Apr-2014

Contact: Vicki Cohn vcohn@liebertpub.com 914-740-2100 Mary Ann Liebert, Inc./Genetic Engineering News

New Rochelle, NY, April 10, 2014Men are three to four times more likely to get bladder cancer than women. The possible causes for this greater risk among men, the importance of early and accurate diagnosis, and the scope of available and emerging surgical, chemotherapeutic, and immunotherapeutic approaches for treating bladder cancer in men are the focus of a comprehensive Review article in Journal of Men's Health, a peer-reviewed publication from Mary Ann Liebert, Inc., publishers. The article is available free on the Journal of Men's Health website.

Coauthors R. Jeffrey Karnes, MD and Christopher Murphy, DO, Mayo Clinic (Rochester, MN), offer a detailed discussion of the three main types of malignancy that can derive from the epithelial lining of the bladder in the Review article "Bladder Cancer in Males: A Comprehensive Review of Urothelial Carcinoma of the Bladder." Each of these types of bladder cancernonmuscle-invasive, muscle-invasive, and metastaticrequires different management strategies. Prompt diagnosis and appropriate surveillance for disease progression and recurrence are critical.

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About the Journal

Journal of Men's Health is the premier peer-reviewed journal published quarterly in print and online that covers all aspects of men's health across the lifespan. The Journal publishes cutting-edge advances in a wide range of diseases and conditions, including diagnostic procedures, therapeutic management strategies, and innovative clinical research in gender-based biology to ensure optimal patient care. The Journal addresses disparities in health and life expectancy between men and women; increased risk factors such as smoking, alcohol abuse, and obesity; higher prevalence of diseases such as heart disease and cancer; and health care in underserved and minority populations. Journal of Men's Health meets the critical imperative for improving the health of men around the globe and ensuring better patient outcomes. Tables of content and a sample issue can be viewed on the Journal of Men's Health website.

About the Societies

Journal of Men's Health is the official journal of the International Society of Men's Health (ISMH), American Society for Men's Health, Men's Health Society of India, and Foundation for Men's Health. The ISMH is an international, multidisciplinary, worldwide organization, dedicated to the rapidly growing field of gender-specific men's health.

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Scarless wound healing — applying lessons learned from fetal stem cells

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PUBLIC RELEASE DATE:

10-Apr-2014

Contact: Vicki Cohn vcohn@liebertpub.com 914-740-2156 Mary Ann Liebert, Inc./Genetic Engineering News

New Rochelle, NY, April 10, 2014In early fetal development, skin wounds undergo regeneration and healing without scar formation. This mechanism of wound healing later disappears, but by studying the fetal stem cells capable of this scarless wound healing, researchers may be able to apply these mechanisms to develop cell-based approaches able to minimize scarring in adult wounds, as described in a Critical Review article published in Advances in Wound Care, a monthly publication from Mary Ann Liebert, Inc., publishers and an Official Journal of the Wound Healing Society. The article is available free on the Advances in Wound Care website.

Michael Longaker, Peter Lorenz, and co-authors from Stanford University School of Medicine and John A. Burns School of Medicine, University of Hawaii, Honolulu, describe a new stem cell that has been identified in fetal skin and blood that may have a role in scarless wound healing. In the article "The Role of Stem Cells During Scarless Skin Wound Healing", the authors propose future directions for research to characterize the differences in wound healing mechanisms between fetal and adult skin-specific stem cells.

"This work comes from the pioneers in the field and delineates the opportunities towards scarless healing in adults," says Editor-in-Chief Chandan K. Sen, PhD, Professor of Surgery and Director of the Comprehensive Wound Center and the Center for Regenerative Medicine and Cell-Based Therapies at The Ohio State University Wexner Medical Center, Columbus, OH.

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About the Journal

Advances in Wound Care is a monthly journal published online and in print that reports the latest scientific discoveries, translational research, and clinical developments in acute and chronic wound care. Each issue provides a digest of the latest research findings, innovative wound care strategies, industry product pipeline, and developments in biomaterials and skin and tissue regeneration to optimize patient outcomes. The broad scope of applications covered includes limb salvage, chronic ulcers, burns, trauma, blast injuries, surgical repair, skin bioengineering, dressings, anti-scar strategies, diabetic ulcers, ostomy, bedsores, biofilms, and military wound care. Complete tables of content and a sample issue may be viewed on the Advances in Wound Care website.

About the Publisher

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