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25 janvier 2018

Decoding the Axolotl genome [Phys]

A team of researchers led by scientists in Vienna, Dresden and Heidelberg has decoded the entire genetic information of the Mexican salamander axolotl. The axolotl genome, which is the largest genome ever to be sequenced, will be a powerful tool to study the molecular basis for regrowing limbs and other forms of regeneration.

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25 janvier 2018

Why beetles are the most important organisms on the planet [The Guardian]

From the minuscule to the mighty, tree-dwellers to pond-swimmers, millions of beetle species reveal a wealth of information about the world we live in.

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24 janvier 2018

Noise pollution forces Canadian songbirds to change their tunes [Phys]

Some Canadian songbirds have to change their tunes because noise pollution from things like oil and gas drilling equipment otherwise drowns out important parts of their songs, University of Manitoba researchers have found.
Birdsongs carry information, like how fit or "sexy" the singer is, the species, even the individual’s "name" and motivation. Miya Warrington and Nicola Koper from the U of M’s Natural Resources Institute looked at what parts of the birdsongs were changing to learn what aspects of their song are most under threat of being drowned out by noise.

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24 janvier 2018

IUCN contributes to a new paper which aims to help combat Invasive Alien Species [IUCN]

The IUCN SSC Invasive Species Specialist Group has made a major contribution to a paper published today in the journal Scientific Data, which provides a detailed description of the data behind The Global Register of Introduced and Invasive Species (GRIIS).

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24 janvier 2018

Ce mille-pattes géant tue des proies 15 fois plus grosses que lui [Futura-Sciences]

Grâce à une toxine que des chercheurs viennent de mettre en évidence, un mille-pattes géant (Scolopendra subspinipes mutilans) peut paralyser des proies bien plus grosses que lui, comme des lézards. Son venin crée des dégâts dans les systèmes cardiovasculaire et nerveux des animaux.

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