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The Triassic's Mystery Creature

dimanche 21 mai 2017 par Brian Switek — The Sciences, Evolution

A tooth from Petrified Forest represents an unknown species that has baffled paleontologists for decades -- Read more on ScientificAmerican.com

Scientific American

The Extraordinary Evolution of Cichlid Fishes

dimanche 21 mai 2017 par Axel Meyer — Features, The Sciences, Biology, Evolution

Cichlid fishes have undergone a mind-boggling degree of speciation. New research is revealing features of their genomes that primed them to diversify so spectacularly -- Read more on ScientificAmerican.com

Scientific American

Paleo Profile: The "Need Helmet" Dinosaur

samedi 20 mai 2017 par Brian Switek — The Sciences, Evolution

An exceptional skeleton reveals a new dinosaur species. -- Read more on ScientificAmerican.com

Scientific American

Fixing the Tomato: CRISPR Edits Correct Plant-Breeding Snafu

vendredi 19 mai 2017 par Heidi Ledford, Nature magazine — The Sciences, Biology, Evolution

Geneticists harness two mutations to improve on 10,000 years of tomato domestication -- Read more on ScientificAmerican.com

Scientific American

Watch This Parrotlet Nail a Long Jump

jeudi 18 mai 2017 par Andrew Golden — The Sciences, Evolution

This palm-size parrot uses a touch of wing to leap from branch to branch so it can save energy as it looks for dinner or a mate. -- Read more on ScientificAmerican.com

Scientific American

Bees Prefer Flowers That Proffer Nicotine

jeudi 18 mai 2017 par Christopher Intagliata — The Sciences, Biology, Evolution

Bumblebees sought out flowers with nicotine in their nectar, and the drug appeared to enhance the bees' memories. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American

Bronze-Age "Beaker Culture" Invaded Britain, Ancient-Genome Study Finds

mercredi 17 mai 2017 par Ewen Callaway, Nature magazine — The Sciences, Arts & Culture, Evolution

Famous bell-shaped pots are associated with a group of immigrants who may have displaced Neolithic farmers -- Read more on ScientificAmerican.com

Scientific American

Why the Cross Put Chickens on a New Road

lundi 15 mai 2017 par Karen Hopkin — Behavior & Society, The Sciences, Arts & Culture, Biology, Evolution

A religiously inspired change in the European diet about a thousand years ago led to the development of the modern domesticated chicken. -- Read more on ScientificAmerican.com

Scientific American