Science News

In the February 25 Issue:

The denticles of the bonnethead shark (Sphyrna tiburo), shown here, are about 100 microns in diameter, the thickness of a piece of printer paper. The teethlike structures give sharks extra thrust in the water, a new study shows. Full Story J. Oeffner and G.V. Lauder/Harvard Univ.

SN Today:

Vodka delivers shot of creativity Alcohol intoxication raises men’s performance on a test of verbal ingenuity. Read the full story. | Feb 10th 2012 Found in: Humans and Psychology
Shark’s skin adds forward boost Fish gets extra thrust by the teeth of its skin. Read the full story. | Feb 10th 2012 Found in: Life
Cancer drug may have Alzheimer's benefits Medication helps the brain clear a plaque-forming protein associated with dementia. Read the full story. | Feb 9th 2012 Found in: Body & Brain and Genes & Cells
Tai chi helps Parkinson's patients balance The controlled movement of the Chinese martial art can improve patients' coordination and limit falls, a study finds. Read the full story. | Feb 9th 2012 Found in: Body & Brain
BPA fosters diabetes-promoting changes Exposures typical of the general public are enough to alter insulin secretion. Read the full story. | Feb 9th 2012 Found in: Environment
Proposed type of solar neutrino spotted The existence of these long-sought particles confirms theories about the fusion reactions that power the sun. Read the full story. | Feb 8th 2012 Found in: Atom & Cosmos
Numbers warn of looming collapses Mathematical tools help researchers predict when systems are about to change dramatically. Read the full story. | Feb 8th 2012 Found in: Environment, Numbers and Science & Society
Classic sooty-moth tale bolstered by new results A scientist’s six-year backyard experiment strengthens the scenario for evolutionary changes due to industrial pollution. Read the full story. | Feb 8th 2012 Found in: Environment and Life

SN Multimedia:



Wasps airlift annoying ants In a scrap over food, being big and able to fly is an advantage	A matter of gravity Map of planetary field is sharpest ever	Brain's mirror system loves the robot Experiment may suggest why we feel sad for Wall-E

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Ocean noise is a whale of a stressor
2.8.12 - Post-9/11 quiet calmed marine mammals Found in: Life
How a stomach bug may ward off asthma
2.8.12 - H. pylori’s influence on immune system could reduce airway disease Found in: Genes & Cells
Taste of fructose revs up metabolism
2.7.12 - Pancreas can pump more insulin in response to the sugar Found in: Genes & Cells and Molecules
Chimps lend a hand
2.6.12 - Finding suggests nonhuman primates have theory of mind Found in: Life and Zoology
Little Ice Age began with a bang
2.3.12 - Frozen moss suggests climate cooling kicked off fast, possibly with help from volcanoes Found in: Earth and Environment
Super-Earth spotted in life-friendly zone
2.2.12 - Latest exoplanet entry creeps closer to long-sought goal of habitability elsewhere Found in: Atom & Cosmos
FOR KIDS: Science at the White House
2.10.12 - Students with big achievements in science, engineering met with the president February 7
FOR KIDS: Moon twinkles
2.10.12 - Flashes of light on the moon’s surface come from cooling, superhot liquid Found in: Science News For Kids
FOR KDS: Killing a bacterial killer
2.10.12 - A common, cheap element offers hope against deadly bacterial infections Found in: Science News For Kids
FOR KIDS: No frostbite for dogs
2.10.12 - Blood vessels in dog paws keep their temperature just right Found in: Science News For Kids
FOR KIDS: Mapping the invisible
2.3.12 - Astronomers don’t know what dark matter is, but they have mapped where it’s hiding Found in: Science News For Kids
FOR KIDS: A Ghost Lake
2.3.12 - Scientists study an ancient lake that once covered much of Utah to learn lessons for the future Found in: Science News For Kids

Reader Favorites

Blogs:

Science & the Public Faulty comparisons
By Janet Raloff Feb 8th 2012

On the Scene Vying for the title of World's Fastest Cell
By Science News Staff Dec 5th 2011

Deleted Scenes Moony shot
By Science News Staff Oct 31st 2011

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SN Bookshelf:

Marketing for Scientists: How to Shine in Tough Times by Marc J. Kuchner
In tough economic times, this guide helps scientists communicate their research more effectively to ...
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New England Wild Flower Society's Flora Novae Angliae: A Manual for the Identification of Native and Naturalized Higher Vascular Plants of New England by Arthur Haines
The New England Wild Flower Society provides a comprehensive guide to the identification of the reg...
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