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Articles les plus récents

2.1-Billion-Year-Old Tracks May Be Giant Ancient "Slime Molds" [Video]

samedi 23 mars 2019 par Jennifer Frazer — The Sciences, Evolution

Whatever made these structures lived 1.4 billion years before the first animals -- Read more on ScientificAmerican.com

Scientific American

Big Religion May Have Gotten Too Much Credit for the Evolution of Modern Society

mercredi 20 mars 2019 par Marcus Woo — Mind, Behavior & Society, The Sciences, Evolution

Contrary to a popular hypothesis, pro-social religions didn’t kick-start complex social systems -- Read more on ScientificAmerican.com

Scientific American

There Are More Dinosaurs to Discover from the Time of T. rex

samedi 16 mars 2019 par Brian Switek — The Sciences, Evolution

Counter to expectations, an apparent drop in dinosaur diversity at the end of the Cretaceous indicates there are many species yet to be found -- Read more on ScientificAmerican.com

Scientific American

Edible Insect Breeding Led to Larger but Not Necessarily Better Larvae

vendredi 15 mars 2019 par Christopher Intagliata — Sustainability, Environment, The Sciences, Biology, Evolution

Researchers aiming to lower the cost of mealworms were able to double the worms' size, but the larger larvae had fewer eggs and weaker offspring. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American

Mind Your "Fs" and "Vs": Agriculture May Have Shaped Both Human Jaws and Language

jeudi 14 mars 2019 par Anne Pycha — The Sciences, Evolution

Eating porridge and cheese appears to have changed our bite to enable the vocal tract to produce new sounds -- Read more on ScientificAmerican.com

Scientific American

A Meal Fit for a King

dimanche 10 mars 2019 par Brian Switek — The Sciences, Evolution

A bitten bone shows how a young tyrannosaur fed -- Read more on ScientificAmerican.com

Scientific American

Warm-Blooded Animals Lost Ability to Heal the Heart

vendredi 8 mars 2019 par Christopher Intagliata — Health, Medicine, The Sciences, Biology, Evolution

Thyroid hormone, which helps warm-blooded animals regulate body temperature, also appears to put a halt on heart regeneration. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American

The Other Tool Users

vendredi 1er mars 2019 par Michael Haslam — Features, The Sciences, Biology, Evolution

Excavations of stone tools left behind by nonhuman primates are illuminating the origins of technological innovation -- Read more on ScientificAmerican.com

Scientific American

Susceptibility to Mental Illness May Have Helped Humans Adapt over the Millennia

vendredi 1er mars 2019 par Dana G. Smith — Features, Mind, Behavior & Society, Mental Health, The Sciences, Evolution

Psychiatrist Randolph Nesse, one of the founders of evolutionary medicine, explains why natural selection did not rid our species of onerous psychiatric disorders -- Read more on ScientificAmerican.com

Scientific American

The First Time I Saw the Grand Canyon

mardi 26 février 2019 par Andrew de Wet — The Sciences, Evolution

On the national park's 100th anniversary, a South African–born geologist recalls his first encounter with a spectacular natural wonder -- Read more on ScientificAmerican.com

Scientific American