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The Lead

Astronaut, Cosmonaut Set for Record-breaking ISS Stay

March 27, 2015 | by NASA | News | Comments

This afternoon, Scott Kelly and Mikhail Kornienko will launch to the ISS, beginning a one-year mission in space, testing the limits of human research, space exploration and the human spirit. While Scott Kelly is in space, his identical twin brother, retired NASA astronaut Mark Kelly, will participate in a number of comparative genetic studies. A number of spaceflight endurance records will be broken during the mission.

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Lab Daily

Antarctic Ice Thinned Rapidly Over Two Decades

March 27, 2015 7:00 am | by UCSD | Videos | Comments

A new study has revealed that the thickness of Antarctica’s floating ice shelves has recently decreased by as much as 18 percent in certain areas over nearly two decades, providing new insights on how the Antarctic ice sheet is responding to climate change.


Today in Lab History: Great Alaskan Earthquake

March 27, 2015 7:00 am | by Lily Barback, Associate Editor | News | Comments

On March 27, 1964, at 5:36 PM AST the most powerful recorded megathrust earthquake in North American history occurred. Falling on Good Friday, it lasted for four minutes and 38 seconds and had a moment magnitude of 9.2, making it the third strongest earthquake in recorded history.


Climate Target 'Utterly Inadequate'

March 27, 2015 7:00 am | by BioMed Central | News | Comments

The official global target of a 2 C temperature rise is “utterly inadequate” for protecting those at most risk from climate change, says a lead author on the Intergovernmental Panel on Climate Change, writing a commentary in the open access journal Climate Change Responses. The commentary presents a rare inside-view of a two-day discussion at the Lima Conference of the Parties.


HIV Can Evolve in Brain Early in Illness

March 27, 2015 7:00 am | by National Institutes of Health | News | Comments

The AIDS virus can genetically evolve and independently replicate in patients' brains early in the illness process. An analysis of cerebral spinal fluid, a window into brain chemical activity, revealed that, for a subset of patients, HIV had started replicating within the brain within the first four months of infection.


Graphene Makes Square Water

March 27, 2015 7:00 am | by The Univ. of Manchester | News | Comments

Researchers have created a transparent nanoscale capillary out of graphene to investigate the atomic structure of water trapped inside. They used high magnification electron microscopy that allowed them to see individual water molecules. To their surprise, the scientists found small square crystals of ice at room temperature, provided the graphene capillaries were narrow enough, allowing no more than three atomic layers of water.


Tissue Samples Can Be Painted with Light

March 27, 2015 7:00 am | by Univ. of Illinois | News | Comments

One infrared scan can give pathologists a window into the structures and molecules inside tissues and cells, enabling fast and broad diagnostic assessments, thanks to an imaging technique. Using a combination of advanced microscope imaging and computer analysis, the new technique can give pathologists and researchers precise information without using chemical stains or dyes.


Method Yields Quality-control Tool for Nanocomposites

March 27, 2015 7:00 am | by Purdue Univ. | News | Comments

Layered nanocomposites containing tiny structures mixed into a polymer matrix are gaining commercial use, but their complex nature can hide defects that affect performance. Now, researchers have developed a system capable of detecting such defects using a "Kelvin probe" scanning method with an atomic force microscope.


Entanglement Technique May Aid Atomic Clocks

March 26, 2015 3:00 pm | by MIT, Jennifer Chu | News | Comments

Physicists have developed a new technique that can successfully entangle 3,000 atoms using only a single photon. The results represent the largest number of particles that have ever been mutually entangled experimentally.


Coyotes Are Filling in for Wolves

March 26, 2015 3:00 pm | by NC State Univ. | News | Comments

It’s believed that wolves once roamed the southeastern U.S. before they were eliminated by overhunting and habitat loss. Now, the region has a new top dog, the coyote, which may fill the role once played by wolves.


Research Tackles Ancestry of Mysterious Feral Chickens

March 26, 2015 3:00 pm | by Michigan State Univ. | News | Comments

How did the chicken cross the sea? No, that’s not a joke. A team has studied the mysterious ancestry of the feral chicken population that has overrun the Hawaiian Island of Kauai. Their results may aid efforts to curtail the damage of invasive species in the future, and help improve the biosecurity of domestic chicken breeds.


Oral Benefit of Natural Sweeter is Unproven

March 26, 2015 3:00 pm | by Wiley | News | Comments

New research concludes that there is limited evidence to show that xylitol is effective in preventing dental cavities in children and adults. Xylitol is a natural sweetener that is widely promoted globally, and can be found in wide range of everyday products including sugar-free chewing gum, toothpaste, gels, lozenges and sweets.


Plastic Has Energy, Artificial Muscle Applications

March 26, 2015 3:00 pm | by ACS | News | Comments

A plastic used in filters and tubing has an unusual trait: it can produce electricity when pulled or pressed. This ability has been used in small ways, but now researchers are coaxing fibers of the material to make even more electricity for a wider range of applications from green energy to "artificial muscles."


Popular Antacids May Up Bone Fracture Risk

March 26, 2015 3:00 pm | by Forsyth Institute | News | Comments

Newly published research details a discovery explaining why the 100 million Americans estimated to be taking prescription and over-the-counter antacid and heartburn medications may be at an increased risk of bone fractures.


Parasite Mixes, Matches Its Disguises

March 26, 2015 3:00 pm | by Rockefeller Univ. | News | Comments

Orchestrated costume changes make it possible for certain nasty microbes to outsmart the immune system, which would otherwise recognize them by the telltale proteins they wear. By taking the first detailed look at how one such parasite periodically assumes a new protein disguise during a long-term infection, research challenges many assumptions about one of the best-known examples of this strategy.


Password Strength Meters Aren't Uniform

March 26, 2015 7:00 am | by Concordia Univ. | News | Comments

“Create a password” is a prompt familiar to anyone who has tried to buy a book from Amazon or register for a Google account. Equally familiar is that red / yellow / green bar that rates the new password’s strength. But when those meters give the go-ahead to passwords like Password1+, their effectiveness is called into question.



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