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Early Butchers Used Small Stone Scalpels

mercredi 18 septembre 2019 par Christopher Intagliata — The Sciences, Evolution

Homo erectus used hand axes to butcher elephants and other game. But a new study suggests they also used finer, more sophisticated blades. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American

Pterosaurs Were Monsters of the Mesozoic Skies

mardi 17 septembre 2019 par Michael B. Habib — Features, The Sciences, Evolution

Fossils and mathematical modeling are helping to answer long-standing questions about these bizarre animals -- Read more on ScientificAmerican.com

Scientific American

Did a Jurassic Dinosaur Smoosh a Turtle?

dimanche 15 septembre 2019 par Brian Switek — The Sciences, Evolution

A smashed shell may have been crumpled by an ambling dinosaur -- Read more on ScientificAmerican.com

Scientific American

New Proto-Dinosaur Found in Colorado

dimanche 15 septembre 2019 par Brian Switek — The Sciences, Evolution

A lanky reptile found in the Centennial State is a close cousin of early dinosaurs -- Read more on ScientificAmerican.com

Scientific American

Did the Dinosaur-Killing Asteroid Inadvertently Help Lichens?

dimanche 15 septembre 2019 par Jennifer Frazer — The Sciences, Evolution

The leafy lichens seem to have picked up where a lot of incinerated plants left off -- Read more on ScientificAmerican.com

Scientific American

The History of Opium, Facing Up to Quantum Mechanics and Other New Science Books

vendredi 13 septembre 2019 par Andrea Gawrylewski — Recommended, Mind, Cognition, The Sciences, Arts & Culture, Biology, Evolution, Physics, Space

Book recommendations from the editors of Scientific American -- Read more on ScientificAmerican.com

Scientific American

Eavesdropping Puts Anxious Squirrels at Ease

vendredi 13 septembre 2019 par Christopher Intagliata — Mind, Cognition, The Sciences, Biology, Evolution

Squirrels constantly scan their surroundings for hawks, owls and other predators. But they also surveil for threats by eavesdropping on bird chatter. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American

Humpback Whales Swap Songs at Island Hub

mercredi 11 septembre 2019 par Christopher Intagliata — Sustainability, Conservation, The Sciences, Biology, Evolution

At the Kermadec Islands, humpbacks from all over the South Pacific converge and swap songs. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American