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Frigatebird Flights Last Months
samedi 23 juillet 2016 par Julia Rosen — Sustainability, EARTH, Environment, The Sciences, Biology, Evolution
Great frigatebirds may stay in flight for up to two months, eating and sleeping on the wing. -- Read more on ScientificAmerican.com
Mummy Hair Points to a Low-Stress Life in Ancient South America
Scant cortisol levels in mummified locks change ideas about pre-Hispanic Chile natives -- Read more on ScientificAmerican.com
When Whales Started Living Large
lundi 18 juillet 2016 par Brian Switek — The Sciences, Evolution
A new study tracks "the rise of ocean giants" -- Read more on ScientificAmerican.com
Laying Bare the Bones of Ancient Maya Society
Bones from the animals people ate—or didn’t—offer a glimpse into the daily lives of ordinary Maya outside the ruling class -- Read more on ScientificAmerican.com
Mucus Lets Dolphins Emit Their Clicks
A model of the dolphin vocal apparatus shows that they need a coating of mucus to produce their distinctive sounds. -- Read more on ScientificAmerican.com
New Dinosaur Had the T. rex Look: Tiny Arms
Like its distant relative T. rex, a newly identified dinosaur, named Gualicho shinyae, sported small arms and hands with two clawed fingers -- Read more on ScientificAmerican.com
Bees Rank Pollen by Taste
The discerning insects returned to flowers with sweetened pollen, but avoided revisiting flowers with bitter pollen. Christopher Intagliata reports. -- Read more on ScientificAmerican.com
How China Is Rewriting the Book on Human Origins
mercredi 13 juillet 2016 par Jane Qiu, Nature magazine — The Sciences, Evolution
Fossil finds in China are challenging ideas about the evolution of modern humans and our closest relatives -- Read more on ScientificAmerican.com
Evolution Ed Defenders Make Rapids Progress in Grand Canyon
mardi 12 juillet 2016 par Steve Mirsky — Behavior & Society, Environment, The Sciences, Arts & Culture, Biology, Evolution
The National Center for Science Education's annual Colorado River trip through the Grand Canyon highlights the differences between the scientific and creationist outlooks. -- Read more on ScientificAmerican.com
Predator? No Problem--Water Fleas Grow Weapons
The water flea Daphnia grows its own helmets, spikes and crests in response to chemical cues that predators are near -- Read more on ScientificAmerican.com
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