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Electric Eels versus Horses: Shocking but True

lundi 27 juin 2016 par Cynthia Graber, Steve Mirsky — Environment, Electronics, The Sciences, Arts & Culture, Biology, Evolution, Physics

Kenneth Catania of Vanderbilt University talks to Cynthia Graber about electric eel research that led him to accept 19th-century naturalist Alexander von Humboldt's account of electric eels attacking... -- Read more on ScientificAmerican.com

Scientific American

Social Spider Groups Need Bold and Shy Members

samedi 25 juin 2016 par Jason G. Goldman — Behavior & Society, Environment, The Sciences, Biology, Evolution

Social spiders in artificially assembled groups of all bold or all shy members fared less well against predators than a group with some shy and some bold members. -- Read more on ScientificAmerican.com

Scientific American

What Killed South America's Megamammals

mardi 21 juin 2016 par Brian Switek — The Sciences, Evolution

A warming climate and humans acted as a one-two punch -- Read more on ScientificAmerican.com

Scientific American

Mongooses Pile on Warthogs--to Groom Them

mardi 21 juin 2016 par Jason G. Goldman — Environment, The Sciences, Biology, Evolution

In the first known example of a mutualistic relationship between two mammal species in which neither is a primate, mongooses feast on ticks and other parasites infesting warthogs. -- Read more on ScientificAmerican.com

Scientific American

Farming Invented Twice in the Middle East, Genomes Study Reveals

mardi 21 juin 2016 par Ewen Callaway, Nature magazine — Tech, The Sciences, Evolution

A study of 44 ancient genomes supports the idea of independent farming revolutions in the Fertile Crescent -- Read more on ScientificAmerican.com

Scientific American

Lizard Stripes May Mess Up Predators' Timing

mardi 21 juin 2016 par Karen Hopkin — Neuroscience, Environment, The Sciences, Biology, Evolution

A lizard's stripes may make them look like they’re moving slower than they really are, confusing predators that tend to aim at the head but may wind up with the tail. -- Read more on ScientificAmerican.com

Scientific American

The Battle for the Bone Wars Beasts

jeudi 16 juin 2016 par Brian Switek — The Sciences, Evolution

Multihorned, saber-toothed herbivores set the stage for one of paleontology's greatest conflicts -- Read more on ScientificAmerican.com

Scientific American

Meet LiDAR: The Amazing Laser Technology That's Helping Archaeologists Discover Lost Cities

mercredi 15 juin 2016 par Mark Horton, The Conversation UK — Tech, Engineering, Arts & Culture, Evolution

Space lasers developed in the 1970s are being put to a brand-new use -- Read more on ScientificAmerican.com

Scientific American

Arctic Researcher Bears Up for Science

mardi 14 juin 2016 par Steve Mirsky — Climate, Conservation, Environment, The Sciences, Biology, Evolution

Wildlife researcher Joel Berger dons a polar bear outfit to study the reactions of musk oxen to the threat of bears increasingly driven onto the land for food. -- Read more on ScientificAmerican.com

Scientific American