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How Grandparents Shaped Human Evolution

vendredi 27 mars 2015 — Features, More Science, Biology, Society & Policy, Evolution, Archaeology & Paleontology, Evolutionary Biology, Health

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

Scientific American

Keeping Tiny Delta Smelt Alive in Captivity Is No Small Feat

vendredi 27 mars 2015 — More Science, Biology, Chemistry, Society & Policy, Energy & Sustainability, Environment, Ecology, Evolution, Evolutionary Biology, Technology

The delta smelt (Hypomesus transpacificus) may be all but extinct in the wild, but it turns out that hope is not quite lost for this controversial California fish. -- Read more on ScientificAmerican.com

Scientific American

Ferns Get It On After 60 Million Years Apart

vendredi 27 mars 2015 — More Science, Biology, Evolution, Evolutionary Biology

An unassuming little fern has left scientists scratching their heads at the feat of reproductive hijinks it apparently represents. The fern, xCystocarpium roskamianum(the prefix ‘x’... -- Read more on ScientificAmerican.com

Scientific American

Ebola Virus Not Mutating as Quickly as Feared

jeudi 26 mars 2015 — More Science, Evolution, Health, Biotechnology, Ethics, Infectious Diseases, Medical Technology, Pharmaceuticals, Technology

The pathogen’s evolution does not appear to be outpacing efforts to develop an arsenal against it -- Read more on ScientificAmerican.com

Scientific American

Hungry Polar Bears Could Soon Start Devastating Bird Populations

jeudi 26 mars 2015 — More Science, Biology, Society & Policy, Energy & Sustainability, Climate, Environment, Ecology, Evolution, Evolutionary Biology

A hungry polar bear (Ursus maritimus) will eat just about anything. Oh sure, they prefer to dine on nice fatty seals (I mean, what Arctic creature wouldn't?), but when push comes to shove they'll eat... -- Read more on ScientificAmerican.com

Scientific American

Rare Ili Pika Photographed for the First Time in 20 Years

jeudi 26 mars 2015 — More Science, Biology, History of Science, Energy & Sustainability, Environment, Ecology, Evolution, Evolutionary Biology

If ever there was a face that read, "Goddamn it, they found me," this is it. That small, downturned mouth, ever-so-slightly ajar in a moment of panicked contemplation, it really just says it all. -- Read more on ScientificAmerican.com

Scientific American

Fact or Fiction?: Dark Matter Killed the Dinosaurs

mercredi 25 mars 2015 — More Science, Biology, History of Science, Physics, Evolution, Archaeology & Paleontology, Dinosaurs, Evolutionary Biology, Psychology, Space, Astrophysics, Extraterrestrial Life, Galaxies

A new out-of-this-world theory links mass extinctions with exotic astrophysics and galactic architecture -- Read more on ScientificAmerican.com

Scientific American

Why Women Live Longer Than Men

mercredi 25 mars 2015 — Features, Evolution, Evolutionary Biology

Stress alone does not explain the longevity gap -- Read more on ScientificAmerican.com

Scientific American

Beans Bred to Beat Baking Climate

mercredi 25 mars 2015 — More Science, Energy & Sustainability, Evolution

Scientists have bred 30 new varieties of "heat-beating" beans designed to provide protein for the world's poor in the face of global warming, researchers announced on Wednesday. -- Read more on ScientificAmerican.com

Scientific American

Bark Beetles May Not Add to U.S. West's Wildfire Woes

mercredi 25 mars 2015 — More Science, Energy & Sustainability, Evolution

Forests in Western U.S. states that have been ravaged by mountain pine beetles are no more likely to be consumed by wildfires than forests unaffected by the insects, a new study by scientists in... -- Read more on ScientificAmerican.com

Scientific American