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26 avril 2017

Study settles debate over origins of ants and bees [Phys]

Ants and bees – which by all appearances seem so different – are creepy-crawly cousins, according to new research published in a recent issue of Current Biology.
The new findings show unequivocally that ants’ closest living relatives are a superfamily called Apoidea, which includes bees and some solitary hunting wasps.

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24 avril 2017

Les oiseaux migrateurs devraient s’adapter au changement climatique [Sciences et Avenir - Nature & Environnement]

Les oiseaux qui nichent en Arctique ignorent que le réchauffement climatique y sera deux fois plus rapide que dans leurs zones d’hivernage en Europe de l’Ouest. En s’appuyant sur l’espèce modèle de l’oie bernache nonnette, des chercheurs hollandais prédisent cependant que ces espèces pourront s’adapter.

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21 avril 2017

Les nappes phréatiques françaises en déficit [Le Monde - Planète]

La recharge hivernale est insuffisante pour plus de la moitié des réserves souterraines.

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21 avril 2017

Skin slime of Indian frog can kill flu virus [Mongabay]

Molecules in the slimy skin secrestions of the wide-spread Fungoid Frog can destroy some strains of the influenza viruses, according to a new study.

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21 avril 2017

Genetic evidence suggests that early mammals had good night-time vision, suggests they were nocturnal [Phys]

Our earliest mammalian ancestors likely skulked through the dark, using their powerful night-time vision to find food and avoid reptilian predators that hunted by day. This conclusion, published by Stanford researchers April 21 in Scientific Reports, used genetic data to support existing fossil evidence suggesting that our distant relatives may have adapted to life in the dark.

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