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See-Through Hair and Awkward Sexual Problems: The Woolly Mammoth's Bitter End

jeudi 2 mars 2017 par Bret Stetka — The Sciences, Biology, Evolution

After genetic meltdown the last of the species died a lonely death, languishing on a windswept island tundra and unable to attract mates with the scent of its urine -- Read more on ScientificAmerican.com

Scientific American

Last Woollies Had Mammoth Mutations

jeudi 2 mars 2017 par Christopher Intagliata — The Sciences, Biology, Evolution

The final holdout woolly mammoths had large numbers of harmful mutations—which would have given them satiny coats and a weakened sense of smell. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American

African Penguins Pulled into an Ecological Trap

mercredi 1er mars 2017 par Jason G. Goldman — Sustainability, Conservation, EARTH, Environment, The Sciences, Biology, Evolution

Climate change and overfishing have made the penguins’ feeding grounds a mirage—which has led to a drop in penguin population. Jason G. Goldman reports. -- Read more on ScientificAmerican.com

Scientific American

Found: Thousands of Man-Made Minerals--Another Argument for the Anthropocene

mercredi 1er mars 2017 par Shannon Hall — The Sciences, Evolution

Future geologists will find thousands of human-made minerals in the ruins of our civilization -- Read more on ScientificAmerican.com

Scientific American

Neanderthals Live On In Our Genomes

mercredi 1er mars 2017 par Christopher Intagliata — The Sciences, Biology, Evolution

Researchers found that Neanderthal gene variants still affect the way genes are turned off and on in modern humans. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American

Neandertals Live On in Our Genomes

mercredi 1er mars 2017 — The Sciences, Biology, Evolution

Researchers found that Neandertal gene variants still affect the way genes are turned off and on in modern humans. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American

Paleo Profile: Mauricio FernÃ¡ndez's Plesiosaur

dimanche 26 février 2017 par Brian Switek — The Sciences, Evolution

An exceptionally complete skeleton offers a stunning look at this new marine reptile -- Read more on ScientificAmerican.com

Scientific American

Fossil Pigments Reveal the True Colors of Dinosaurs

dimanche 26 février 2017 par Jakob Vinther — Features, The Sciences, Evolution

Long thought impossible, preservation of fossil pigments is allowing scientists to reconstruct extinct organisms with unprecedented accuracy—a feat that is yielding surprising insights into the... -- Read more on ScientificAmerican.com

Scientific American