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4 décembre 2015

First discovery of a hibernating primate outside Madagascar [Phys]

Up to now, three species of lemurs on Madagascar were the only primates known to hibernate. Researchers at Vetmeduni Vienna in Austria, now show for the first time that another primate species that lives in Vietnam, Cambodia, Laos and China, the pygmy slow loris, also uses hibernation to save energy. The results were published in Scientific Reports this week.

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3 décembre 2015

L’étrange prédisposition des étourneaux à la noyade [Sciences et Avenir - Animaux]

Des chercheurs ont tenté d’expliquer pourquoi les étourneaux meurent par noyade bien plus souvent que les autres espèces d’oiseaux.

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3 décembre 2015

Et si les champignons sauvaient le monde ? [Slate]

Les biotechonologies utilisant les champignons inspirent des chercheurs et entrepreneurs désireux de rendre notre quotidien durable et écolo.

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2 décembre 2015

Trap-jaw Ants Exhibit Previously Unseen Jumping Behavior [NC State University]

A species of trap-jaw ant has been found to exhibit a previously unseen jumping behavior, using its legs rather than its powerful jaws. The discovery makes this species, Odontomachus rixosus, the only species of ant that can jump with either its legs or its mandibles.

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2 décembre 2015

Theory of ’smart’ plants may explain the evolution of global ecosystems [Phys]

It’s easy to think of plants as passive features of their environments, doing as the land prescribes, serving as a backdrop to the bustling animal kingdom.
But what if the ecosystems of the world take their various forms because plant "decisions" make them that way ? A new theory presented by Princeton University researchers in the journal Nature Plants suggests that in some cases that may be exactly what happens. In one of the first global theories of land-biome evolution, the researchers write that plants may actively behave in ways that not only benefit themselves but also determine the productivity and composition of their environs.

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