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Scientific American

Science news and technology updates from Scientific American

Articles les plus récents

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

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

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

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

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

Dramatic Scope of the Anthropocene Can Be Seen from Above

jeudi 12 novembre 2020 par Doris Elin Urrutia — The Sciences, Evolution
Aerial photography highlights the effect humankind is having on the earth -- Read more on

Zebra Coloration Messes With Fly Eyes

mercredi 11 novembre 2020 par Mark Stratton — Cognition, Environment, The Sciences, Evolution, Physics
Horseflies misjudge landings on zebra patterns, compared with solid gray or black surfaces, which provides evidence for why evolution came up with the black-and-white pattern. -- Read more on

Frog Vocals Lead to Small Preference

mercredi 4 novembre 2020 par Jason G. Goldman — Environment, The Sciences, Evolution
The concave-eared torrent frog's unusual ear anatomy lets it hear high-frequency calls, which gives a mating advantage to the littler males that sing soprano. -- Read more on

Science News Briefs from around the Globe

mardi 3 novembre 2020 par Scott Hershberger — Conservation, EARTH, Environment, The Sciences, Chemistry, Evolution, Space
Here are some brief reports about science and technology from all over, including one from the United Arab Emirates about the the first interplanetary mission by an Arab country. -- Read more on

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

vendredi 30 octobre 2020 par Chris Baraniuk — The Sciences, Biology, Evolution
A titanosaur fibula hosts what looks like 70 tiny parasites -- Read more on

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