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A Breakdown of Beavers

mercredi 30 décembre 2020 par Steve Mirsky — Sustainability, Conservation, EARTH, Environment, The Sciences, Biology, Evolution, Policy & Ethics

Environmental journalist Ben Goldfarb talks about his book Eager: The Surprising, Secret Life of Beavers and Why They Matter. -- Read more on ScientificAmerican.com

Scientific American

Ravens Measure Up to Great Apes on Intelligence

mardi 22 décembre 2020 par Christopher Intagliata — Mind, Cognition, The Sciences, Biology, Evolution

Juvenile ravens performed just as well as chimps and orangutans in a battery of intelligence tests—except for assays of spatial skills. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American

The Real Dilophosaurus Would Have Eaten the Jurassic Park Version for Breakfast

mardi 15 décembre 2020 par Matthew A. Brown, Adam D. Marsh — Features, The Sciences, Evolution

The most comprehensive study of the iconic dinosaur reveals a very different animal from the one portrayed on film -- Read more on ScientificAmerican.com

Scientific American

Pterosaur Origins Flap into Focus

mercredi 9 décembre 2020 par Riley Black — The Sciences, Evolution

Fossils of small, delicate animals may reveal the early history of gigantic flying reptiles -- Read more on ScientificAmerican.com

Scientific American

Unprecedented 3-D view inside Animal Mummies

vendredi 4 décembre 2020 par Clara Moskowitz — The Sciences, Biology, Evolution

X-ray scans of ancient Egyptian cat, bird and snake mummies show details never seen before -- Read more on ScientificAmerican.com

Scientific American

When Same-Sex Mating Makes Reproductive Sense

jeudi 3 décembre 2020 par Emily Willingham — Mind, The Sciences, Evolution

Under the right circumstances, indiscriminate mating with both males and females can enhance animals’ evolutionary success -- Read more on ScientificAmerican.com

Scientific American

The Denisovans Expand Their Range into China

jeudi 3 décembre 2020 par Christopher Intagliata — The Sciences, Evolution

Evidence of the ancient humans was limited to a cave in Siberia. But now scientists have found genetic remains of the Denisovans in China. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American

Clues to Puebloan History Drip Away in Melting Ice Caves

vendredi 20 novembre 2020 par Jacob Wallace, E&E News — Sustainability, Climate, Evolution

Charcoal dating back nearly 2,000 years show the ancestral Puebloans used the ice for drinking water during droughts -- Read more on ScientificAmerican.com

Scientific American

Early Mammals Had Social Lives, Too

jeudi 19 novembre 2020 par Christopher Intagliata — The Sciences, Biology, Evolution

Chipmunklike animals that lived among the dinosaurs appear to have been social creatures, which suggests that sociality arose in mammals earlier than scientists thought. Christopher Intagliata... -- Read more on ScientificAmerican.com

Scientific American

Science News Briefs from All Over

mercredi 18 novembre 2020 par Scott Hershberger — Sustainability, Climate, Environment, The Sciences, Biology, Evolution

Here are some brief reports about science and technology from around the world, including one, from the dormant volcano Llullaillaco in Chile, about a mouse that is the highest-dwelling mammal ever... -- Read more on ScientificAmerican.com

Scientific American