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Windows Vex Bats' Echolocating Abilities

jeudi 7 septembre 2017 par Christopher Intagliata — Sustainability, Conservation, The Sciences, Biology, Evolution

Smooth vertical surfaces like windows reflect sound waves away from bats—meaning bats can't "see" windows and similar obstacles with echolocation. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American

Massive Genetic Study Shows How Humans are Evolving

jeudi 7 septembre 2017 par Bruno Martin, Nature magazine — Health, Tech, The Sciences, Biology, Evolution

Analysis of 215,000 people's DNA suggests variants that shorten life are being selected against -- Read more on ScientificAmerican.com

Scientific American

A Dinosaur's Burial at Sea

samedi 2 septembre 2017 par Brian Switek — The Sciences, Evolution

Broken bones tell a dinosaur's unusual tale -- Read more on ScientificAmerican.com

Scientific American

The Hunt for the First Flower

samedi 2 septembre 2017 par Krystal D'Costa — The Sciences, Arts & Culture, Evolution

All modern flowers are descendants of a single ancestor. We might finally have a sense of what that ancestor looked like -- Read more on ScientificAmerican.com

Scientific American

Skeleton Plundered from Mexican Cave Was One of the Americas' Oldest

jeudi 31 août 2017 par Ewen Callaway, Nature magazine — The Sciences, Evolution

Rock-encased bone shard left behind by thieves allowed researchers to determine that the remains are probably more than 13,000 years old -- Read more on ScientificAmerican.com

Scientific American

Pumas React to Humans like Prey

mercredi 30 août 2017 par Jason G. Goldman — Advances, The Sciences, Biology, Evolution

Even though we do not hunt pumas for food, the big cats have reason to fear us -- Read more on ScientificAmerican.com

Scientific American

Dinosaurs' Spiky Armor May Have Been Status Symbol

lundi 28 août 2017 par Traci Watson, Nature — The Sciences, Evolution

Soft-tissue patterns on a well-preserved fossil suggest that elaborate spines helped dinosaurs to attract mates and communicate -- Read more on ScientificAmerican.com

Scientific American