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Stomach Acid-fueled Micromotors Get Tested

January 30, 2015 | by UC San Diego | Comments

Researchers have shown that a micromotor fueled by stomach acid can take a bubble-powered ride inside a mouse. These tiny motors, each about one-fifth the width of a human hair, may someday offer a safer and more efficient way to deliver drugs or diagnose tumors.


How Moisturizer Works

January 28, 2015 7:00 am | by ACS | Comments

The cold weather of winter can also mean dry, cracked skin. Many reach for the moisturizer to keep their skin soft. But, how do these products actually work?


Radar of Greenland's Ice Sheds Light on History

January 27, 2015 7:00 am | by The Univ. of Texas at Austin | Comments

Scientists using ice-penetrating radar data collected by NASA’s Operation IceBridge and earlier airborne campaigns have built the first comprehensive map of layers deep inside the Greenland Ice Sheet, opening a window on past climate conditions and the ice sheet’s potentially perilous future.


Can a Trick Save You Money at the Pump?

January 26, 2015 7:00 am | by The Conversation, Tim Trudgian | Comments

Fuel prices may be at historic lows at the moment but when they rise again, what is the best strategy to save money at the pump? One theory on how to conserve fuel is to put less of it in your tank. The thinking is that you carry around less weight in the car, which means the engine does not have to work as much, which means saving on fuel.


Vaccine May Help You Quit Smoking

January 23, 2015 7:00 am | by ACS | Comments

New research may help millions stick to a common resolution: quitting smoking. Scientists are working on a nicotine vaccine that could put an end to the addiction.


Lasers Make Metal Surfaces Extremely Water-repellent

January 22, 2015 7:00 am | by Univ. of Rochester | Comments

Scientists have used lasers to transform metals into extremely water repellent, or super-hydrophobic, materials without the need for temporary coatings. Super-hydrophobic materials are desirable for a number of applications such as rust prevention, anti-icing or even in sanitation uses. However, most current hydrophobic materials rely on chemical coatings.


Implantable Fibers Deliver Drugs to the Brain

January 21, 2015 7:00 am | by MIT, David Chandler | Comments

By producing complex multimodal fibers that could be less than the width of a hair, researchers have created a system that could deliver optical signals and drugs directly into the brain, along with simultaneous electrical readout to continuously monitor the effects of the various inputs.


SpaceX Releases Video of Crash Landing's Explosion

January 20, 2015 8:34 am | by Associated Press | Comments

SpaceX has released dramatic footage of its booster rocket trying to land on a floating ocean barge after a launch — an unprecedented attempt that ended in a fiery explosion. The video shows the 14-story rocket hitting the football field-sized barge at an angle, lighting up the night sky off the Florida coast.


How Cells Stay Organized

January 19, 2015 7:00 am | by Johns Hopkins Medicine | Comments

Organization is key to an efficient workplace, and cells are no exception to this rule. New evidence suggests that, in addition to membranes, cells have another way to keep their contents and activities separate: with ribbons of spinning proteins.


Research Sheds Light on How Blood Stem Cells Take Root

January 16, 2015 7:00 am | by Harvard Medical School | Comments

A see-through zebrafish and enhanced imaging provide the first direct glimpse of how blood stem cells take root in the body to generate blood. Researchers have described a surprisingly dynamic system that offers several clues for improving bone-marrow transplants in patients with cancer, severe immune deficiencies and blood disorders, and for helping those transplants “take.”


Rain Releases Aerosols

January 15, 2015 7:00 am | by MIT, Jennifer Chu | Comments

Ever notice an earthy smell in the air after a light rain? Now, scientists believe they may have identified the mechanism that releases this aroma, as well as other aerosols, into the environment. Using high-speed cameras, the researchers observed that when a raindrop hits a porous surface, it traps tiny air bubbles at the point of contact.


Motion May Be Key to Finding E.T.

January 14, 2015 7:00 am | by EPFL | Comments

Scientists have developed an extremely sensitive device that can detect life forms by sensing the slightest motion. The chemistry-free system can be used to rapidly test antibiotics or even to search for life on other planets.


Contracting Human Muscle Grown in Lab

January 14, 2015 7:00 am | by Duke Univ. | Comments

In a laboratory first, researchers have grown human skeletal muscle that contracts and responds just like native tissue to external stimuli such as electrical pulses, biochemical signals and pharmaceuticals. The lab-grown tissue should soon allow researchers to test new drugs and study diseases in functioning human muscle outside of the human body.


Rivers on Ice Sheet Contribute to Rising Sea Levels

January 13, 2015 7:00 am | by UCLA | Comments

As the largest single chunk of melting snow and ice in the world, the massive ice sheet that covers about 80 percent of Greenland is recognized as the biggest potential contributor to rising sea levels, and the little-understood rivers and streams flowing on top of the ice sheet play a role in that contribution.


Human Brain Prunes Inaccurate Memories

January 12, 2015 7:00 am | by Princeton Univ. | Comments

An experiment has shown that the human brain uses memories to make predictions about what it expects to find in familiar contexts. When those subconscious predictions are shown to be wrong, the related memories are weakened and are more likely to be forgotten. And the greater the error, the more likely you are to forget the memory.


Getting in Shape? Here Are Four Sweaty Facts

January 9, 2015 7:00 am | by ACS | Comments

If you're like a lot of people, your New Year's resolution probably involves getting in shape. Before you pack your gym bag, pack your brain with some crazy facts about sweat.



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