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Articles les plus récents

Gruesome 'Blood Worms' Invaded a Dinosaur's Leg Bone, Fossil Suggests

vendredi 30 octobre 2020 par Chris Baraniuk — Advances, The Sciences, Biology, Evolution

A titanosaur fibula hosts what looks like 70 tiny parasites -- Read more on ScientificAmerican.com

Scientific American

This Beetle's Stab-Proof Exoskeleton Makes It Almost Indestructible

vendredi 23 octobre 2020 par Davide Castelvecchi, Nature magazine — The Sciences, Evolution

Jigsaw-puzzle-shaped seams that hold a notoriously tough insect’s wing cases together could inspire engineers -- Read more on ScientificAmerican.com

Scientific American

Dinosaur Asteroid Hit Worst-Case Place

jeudi 22 octobre 2020 par Julia Rosen — EARTH, Natural Disasters, The Sciences, Chemistry, Evolution, Space

The mass-extinction asteroid happened to strike an area where the rock contained a lot of organic matter and sent soot into the stratosphere, where it could block sunlight for years. -- Read more on ScientificAmerican.com

Scientific American

Gallery: The Maya Who Escaped Spanish Conquest

mercredi 21 octobre 2020 par Zach Zorich — Features, The Sciences, Evolution

The Lacandon Maya eluded the conquistadors and survived in the jungle for hundreds of years. Archaeological discoveries are revealing their past -- Read more on ScientificAmerican.com

Scientific American

Humans Make Wild Animals Less Wary

vendredi 16 octobre 2020 par Jason G. Goldman — Sustainability, Conservation, Environment, The Sciences, Evolution, Policy & Ethics

From mammals to mollusks, animals living among humans lose their antipredator behaviors. -- Read more on ScientificAmerican.com

Scientific American

Play Helped Dogs Be Our Best Friends

mardi 13 octobre 2020 par Susanne Bard — The Sciences, Biology, Evolution

The ancestors of today’s dogs already exhibited some playfulness, which became a key trait during domestication. -- Read more on ScientificAmerican.com

Scientific American

Moving in Sync Creates Surprising Social Bonds among People

mardi 13 octobre 2020 par Marta Zaraska — Features, Mind, Behavior & Society, The Sciences, Evolution

Dancing, rowing and even finger tapping in unison unleash powerful forces in the brain that drive good feelings -- Read more on ScientificAmerican.com

Scientific American

Why the World's Biggest Dinosaurs Keep Getting Cut Down to Size

mardi 13 octobre 2020 par Riley Black — The Sciences, Evolution

Debate erupts over how best to estimate the sizes of the largest creatures ever to have walked the earth -- Read more on ScientificAmerican.com

Scientific American

Neanderthal DNA May Be COVID Risk

dimanche 11 octobre 2020 par Christopher Intagliata — Health, Medicine, The Sciences, Evolution

A stretch of Neanderthal DNA has been associated with some cases of severe COVID-19, but it's unclear how much a risk it poses. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American

Neandertal DNA May Be COVID Risk

dimanche 11 octobre 2020 par Christopher Intagliata — Health, Medicine, The Sciences, Evolution

A stretch of Neandertal DNA has been associated with some cases of severe COVID-19, but it’s unclear how much of a risk it poses. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American