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26 January 2017

Découverte d’un insecte unique en son genre datant de 100 millions d’années [Housseniawriting]

Les chercheurs rapportent la découverte d’un ancien insecte datant de 100 millions d’années préservé dans l’ambre. Cet insecte est tellement particulier qu’il bénéficie de son propre ordre parmi les insectes. L’ordre est Aethiocarenodea et l’insecte a été appelé Aethiocarenus burmanicus.

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26 January 2017

Study reveals that climate change could dramatically alter fragile mountain habitats [Phys]

Mountain regions of the world are under direct threat from human-induced climate change which could radically alter these fragile habitats, warn an international team of researchers—including an expert from The University of Manchester.

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25 January 2017

L’alphabet génétique s’agrandit [Le Monde - Biologie]

Une équipe internationale est parvenue à enrichir le patrimoine génétique de bactéries en ajoutant deux bases artificielles supplémentaires aux bases A, T, G et C sélectionnées par l’évolution pour constituer l’ADN.

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24 January 2017

Sequencing poisonous mushrooms to potentially create medicine [Phys]

A team of Michigan State University scientists has genetically sequenced two species of poisonous mushrooms, discovering that they can theoretically produce billions of compounds through one molecular assembly line. This may open the door to efficiently tackling some lethal diseases.

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24 January 2017

Bird is evolving to be less flashy in response to global warming [New Scientist]

Sex may not be the first thing that comes to mind when you think of climate change. But for the collared flycatcher, the two seem to be linked in some mysterious way.
As temperatures have risen, male flycatchers’ brilliant white forehead patches have changed from a valuable sexual signal into a liability.

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