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Ebola Virus Grew More Infectious in the Latest Epidemic

mardi 15 novembre 2016 par Christopher Intagliata — Health, Medicine, Public Health, The Sciences, Biology, Evolution

A strain that emerged during the latest epidemic is able to enter human cells more easily—which means it’s more infectious, too. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American

Leaf Mines Say Southern Hemisphere Recovered Faster from Asteroid

dimanche 13 novembre 2016 par Jennifer Frazer — The Sciences, Evolution

Insect-damaged fossil leaves indicate recovery five million years sooner than the Northern Hemisphere -- Read more on ScientificAmerican.com

Scientific American

The Evolution of Grandparents

dimanche 13 novembre 2016 par Rachel Caspari — Features, Behavior & Society, The Sciences, Evolution

The rise of senior citizens may have played a big role in the success of our species -- Read more on ScientificAmerican.com

Scientific American

The Grand Canyon Puts You in Touch with Time

vendredi 11 novembre 2016 par Steve Mirsky — Anti Gravity, The Sciences, Evolution

More of one passenger's science trip down the Colorado River -- Read more on ScientificAmerican.com

Scientific American

Our Secret Evolutionary Weapon: Monogamy

vendredi 11 novembre 2016 par Blake Edgar — Features, Behavior & Society, The Sciences, Biology, Evolution

Pairing up might have been the best move our ancestors ever made -- Read more on ScientificAmerican.com

Scientific American

Orangutan Picks Cocktail by Seeing Ingredients

mercredi 9 novembre 2016 par Jason G. Goldman — Mind, Cognition, The Sciences, Biology, Evolution

An orangutan matched researchers' predictions about which mixed beverage he would choose based on his relative fondness for the separate ingredients. -- Read more on ScientificAmerican.com

Scientific American

Seafaring Spiders Made It around the World--in 8 Million Years

mardi 8 novembre 2016 par Federico Kukso — The Sciences, Biology, Evolution

A genus of coastal arachnids traversed Earth’s vastest oceans to conquer Chile, Africa and Australasia -- Read more on ScientificAmerican.com

Scientific American

Small-Brained Birds More Likely to Get Shot

mardi 8 novembre 2016 par Christopher Intagliata — The Sciences, Biology, Evolution

Using taxidermy data, biologists determined that gun-killed birds have smaller brains than birds that died in other ways. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American

These Truths Are Not Self-Evident—but They've Been Firmly Established Over and Over by Scientific Research

dimanche 6 novembre 2016 par Michael Shermer, Harriet Hall, Ray Pierrehumbert, Paul Offit, Seth Shostak — Features, Health, Medicine, Behavior & Society, Sustainability, Climate, The Sciences, Evolution

A compendium of irrefutable facts for these fact-starved times -- Read more on ScientificAmerican.com

Scientific American