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Articles les plus récents
Unprecedented 3-D view inside Animal Mummies
X-ray scans of ancient Egyptian cat, bird and snake mummies show details never seen before -- Read more on ScientificAmerican.com
When Same-Sex Mating Makes Reproductive Sense
Under the right circumstances, indiscriminate mating with both males and females can enhance animals’ evolutionary success -- Read more on ScientificAmerican.com
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
Clues to Puebloan History Drip Away in Melting Ice Caves
Charcoal dating back nearly 2,000 years show the ancestral Puebloans used the ice for drinking water during droughts -- Read more on ScientificAmerican.com
Early Mammals Had Social Lives, Too
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
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
Dramatic Scope of the Anthropocene Can Be Seen from Above
jeudi 12 novembre 2020 par Doris ElÃn Urrutia — The Sciences, Evolution
Aerial photography highlights the effect humankind is having on the earth -- Read more on ScientificAmerican.com
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 ScientificAmerican.com
Frog Vocals Lead to Small Preference
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 ScientificAmerican.com
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 ScientificAmerican.com
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