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Salmon Sex Changes Entire Landscape

mardi 21 novembre 2017 par Emily Schwing — EARTH, Environment, The Sciences, Biology, Evolution

Salmon excavate streambed holes in which to lay eggs, setting off a chain of events that has surprisingly large geographical effects. -- Read more on ScientificAmerican.com

Scientific American

Biology's Beloved Amphibian--the Axolotl--Is Racing toward Extinction

lundi 20 novembre 2017 par Erik Vance, Nature magazine — Sustainability, The Sciences, Biology, Evolution

Although abundant in captivity, the salamander has nearly disappeared from its natural habitat—and that is a problem -- Read more on ScientificAmerican.com

Scientific American

Biology's Beloved Amphibian--the Axolotl--Is Racing Towards Extinction

lundi 20 novembre 2017 par Erik Vance, Nature magazine — Sustainability, The Sciences, Biology, Evolution

Although abundant in captivity, the salamander has nearly disappeared from its natural habitat, and that is a problem -- Read more on ScientificAmerican.com

Scientific American

Feathers Help This Bird Sound the Alarm

jeudi 16 novembre 2017 par Annie Sneed — The Sciences, Biology, Evolution

The crested pigeon, found in Australia, has a modified wing feather that helps produce an alarm signal sound to warn other birds when there's trouble. -- Read more on ScientificAmerican.com

Scientific American

280-Million-Year-Old Fossil Forest Discovered in Antarctica

jeudi 16 novembre 2017 par Stephanie Pappas, LiveScience — Sustainability, Climate, Environment, The Sciences, Evolution

Newfound fossils reveal what forests might look like as they march northward in today's warming world -- Read more on ScientificAmerican.com

Scientific American

Scientists Unearth Revealing Details about the World's Biggest Mud Volcano

mercredi 15 novembre 2017 par Annie Sneed — Environment, Natural Disasters, The Sciences, Evolution

Its destructive eruptions may help researchers better understand mass extinctions -- Read more on ScientificAmerican.com

Scientific American

Scientists Unearth Revealing Details about the World's Biggest Mud Volcano

mercredi 15 novembre 2017 par Annie Sneed — Environment, Natural Disasters, The Sciences, Evolution

Its destructive eruptions may help researchers better understand mass extinctions -- Read more on ScientificAmerican.com

Scientific American

Polluted Water Whale Invents New Feeding Strategy

lundi 13 novembre 2017 par Jason G. Goldman — Cognition, Sustainability, Environment, The Sciences, Arts & Culture, Biology, Evolution

The Bryde's whale has come up with a passive but more efficient feeding strategy in the hypoxic waters of the Gulf of Thailand. -- Read more on ScientificAmerican.com

Scientific American

Unraveling an Ancient Code Written in Strings

samedi 11 novembre 2017 par Sabine Hyland, Sapiens — The Sciences, Evolution

Scientists are teaming with Andean locals to solve the enigma of a mysterious form of writing -- Read more on ScientificAmerican.com

Scientific American

It's Mostly Mothers Who Pass on Mitochondria

dimanche 5 novembre 2017 par Arunas L. Radzvilavicius, The Conversation US — The Sciences, Biology, Evolution

A new theory says it’s due to the first sexual conflict, which happens when the evolutionary interests of males and females do not coincide -- Read more on ScientificAmerican.com

Scientific American