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The New World Crocodile Assemblage: Crocodiles Part VII

A momentous thing is about to happen. Take a deep breath and prepare yourself. Today is the day when… I finish my series of articles on the crocodiles of the world. -- Read more on ScientificAmerican.com

The Hunt for Neandertal Genes [Excerpt]

Biologist Svante Pääbo describes the thrilling discovery of DNA from the bones of an ancient Neandertal in this excerpt from his new book -- Read more on ScientificAmerican.com

Biggest Mass Extinction Was Fastest, Too

samedi 22 février 2014 — More Science, Biology, Climate, Evolution, Evolutionary Biology
It took just 60,000 years for the End Permian extinction to wipe out 96 percent of aquatic species and 70 percent of land species some 252 million years ago. Cynthia Graber reports -- Read more on ScientificAmerican.com

Biggest Mass Extinction Was Fastest Too

samedi 22 février 2014 — More Science, Biology, Climate, Evolution, Evolutionary Biology
It took just 60,000 years for the End Permian extinction to wipe out 96 percent of aquatic species and 70 percent of land species some 252 million years ago. Cynthia Graber reports. -- Read more on ScientificAmerican.com

Although Purebred Dogs Can Be Best in Show, Are They Worst in Health?

Why diseases plague purebred dogs and how breeders, owners and genetics can help -- Read more on ScientificAmerican.com

La sélection scientifique de la semaine (numéro 110)

Excellent sujet de Nature sur la manière dont, aux Etats-Unis, on détermine si un accusé est assez intelligent pour comprendre le processus pénal et, par conséquent, s'il est "éligible" à la peine de mort... (en anglais) Pour rappel, mon billet récent sur la place … Continuer la lecture (...)

Animals' Wing and Fin Motions Share Universal Propulsion Geometry

mercredi 19 février 2014 — Evolution, Evolutionary Biology
Tricks common to animals ranging from whales to insects could inspire designs for air and water vehicles -- Read more on ScientificAmerican.com

Hole-y Phobia May Have Evolutionary Origins

mercredi 19 février 2014 — Evolution, Evolutionary Biology, Mind & Brain, Psychology
Images that induce trypophobia, the fear of holes, share visual features with images of certain venomous animals, implying that the aversion has an evolutionary basis. Allie Wilkinson reports -- Read more on ScientificAmerican.com

Asian Elephants Console Each Other When in Distress

mardi 18 février 2014 — Evolution, Evolutionary Biology
Using trunks and vocalizations, elephants reassure one another when distressed -- Read more on ScientificAmerican.com

Asian Elephants Console One Another When in Distress

mardi 18 février 2014 — Evolution, Evolutionary Biology
Using trunks and vocalizations, elephants reassure one another when distressed -- Read more on ScientificAmerican.com

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