Sur le Web

Nouveautés sur le Web

Articles les plus récents

Red Stalagmites Reveal Glimpses of the Past

dimanche 30 août 2020 par Katherine Kornei — Advances, The Sciences, Evolution

In a cave in northern Spain, stalagmites rich in organic matter are environmental record keepers -- Read more on ScientificAmerican.com

Scientific American

Buried Skeletons Reveal Tsunami Threat in East Africa

lundi 24 août 2020 par Christian Fogerty — Advances, Natural Disasters, The Sciences, Evolution

Newly analyzed remains depict the scope of a devastating event -- Read more on ScientificAmerican.com

Scientific American

How Birds Evolved Their Incredible Diversity

lundi 24 août 2020 par Kate Wong — Features, The Sciences, Biology, Evolution

An analysis of 391 skulls shows that birds evolved surprisingly slowly, compared with their dinosaur forerunners -- Read more on ScientificAmerican.com

Scientific American

Prehistoric Marine Reptile Died after a Giant Meal

samedi 22 août 2020 par Christopher Intagliata — The Sciences, Evolution

Researchers found extra bones within a 240-million-year-old ichthyosaur fossil—which they determined to be the ichthyosaur’s last, possibly fatal meal. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American

Cows with Eye Images Keep Predators in Arrears

mercredi 19 août 2020 par Susanne Bard — Sustainability, Conservation, Environment, The Sciences, Evolution

Butterflies, fish and frogs sport rear-end eyespots that reduce predation. Painting eye markings on cows similarly seems to ward off predators. -- Read more on ScientificAmerican.com

Scientific American

Warbler Species Fires Up Song Diversity

mardi 18 août 2020 par Karen Kwon — Neuroscience, Conservation, Environment, Natural Disasters, The Sciences, Biology, Evolution

Hermit warblers in California have developed 35 different song dialects, apparently as a result of wildfires temporarily driving them out of certain areas. -- Read more on ScientificAmerican.com

Scientific American

A 429-Million-Year-Old Trilobite Had Eyes like Those of Modern Bees

jeudi 13 août 2020 par Riley Black — The Sciences, Biology, Evolution

A rare cracked fossil shows the world through ancient eyes -- Read more on ScientificAmerican.com

Scientific American

The World's Highest-Dwelling Mammal Lives atop a Volcano

vendredi 7 août 2020 par Julia Rosen — The Sciences, Biology, Evolution

Scientists spotted a mouse at the summit of Llullaillaco, a 22,000-foot-tall volcano on the border of Chile and Argentina. Julia Rosen reports. -- Read more on ScientificAmerican.com

Scientific American

The Chance of Identical Fingerprints: 1 in 64 trillion

jeudi 6 août 2020 — The Body, The Sciences, Evolution

Originally published in June 1894 -- Read more on ScientificAmerican.com

Scientific American

Translucent Frog Optics Dial In Camo Color

mardi 4 août 2020 par Emily Schwing — Environment, The Sciences, Biology, Evolution, Physics

Rather than undergoing active chameleon-like color changes, glass frogs' translucency allows light to bounce from their background through them--making their apparent color close to their setting.... -- Read more on ScientificAmerican.com

Scientific American