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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

Translucent Frog Optics Create Camo Color

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

Rather than undergoing active chameleonlike color changes, glass frogs’ translucency allows light to bounce from their background and go through them—making their apparent color close to... -- Read more on ScientificAmerican.com

Scientific American

How Do Scientists Determine the Ages of Human Ancestors, Fossilized Dinosaurs and Other Organisms?

mardi 4 août 2020 par Scott Hershberger — The Sciences, Evolution

Experts explain how radiometric dating allows them to reconstruct ancient time lines -- Read more on ScientificAmerican.com

Scientific American

Humans Evolved to Be Friendly

jeudi 30 juillet 2020 par Brian Hare, Vanessa Woods — Features, The Sciences, Evolution

Cooperation made Homo sapiens the last human species standing -- Read more on ScientificAmerican.com

Scientific American

One Mystery of Stonehenge's Origins Has Finally Been Solved

mercredi 29 juillet 2020 par Scott Hershberger — The Sciences, Chemistry, Evolution

Detailed testing of the chemical signature of the Neolithic monument’s most prominent large stones pinpointed where they came from -- Read more on ScientificAmerican.com

Scientific American