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13 février 2018

Despite odds, fish species that bypass sexual reproduction are thriving [Phys]

The very rare animals that reproduce asexually—only about one in 1,000 of all living vertebrate species—are thought to be at an evolutionary disadvantage compared with their sexually reproduced counterparts. But that theory doesn’t hold true regarding the Amazon molly, an all-female fish species that has thrived for millennia in the fresh waters along the Mexico-Texas border.

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13 février 2018

In Defense of Biodiversity : Why Protecting Species from Extinction Matters [YaleEnvironnement360]

A number of biologists have recently made the argument that extinction is part of evolution and that saving species need not be a conservation priority. But this revisionist thinking shows a lack of understanding of evolution and an ignorance of the natural world.

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12 février 2018

Chez les chimpanzés aussi, l’intelligence est liée au contrôle de soi [Sciences & Avenir - Animaux]

Comme chez l’homme, les chimpanzés qui contrôlent le mieux leur attitude sont aussi ceux qui ont les meilleurs scores aux tests d’intelligence.

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12 février 2018

Microplastics pollute most remote and uncharted areas of the ocean [The Guardian]

First data ever gathered from extremely remote area of the South Indian Ocean has a surprisingly high volume of plastic particles, say scientists.

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12 février 2018

Salmon face double whammy from toxic stormwater [Phys]

Washington State University researchers have found that salmon face a double whammy when they swim in the stormwater runoff of urban roadways.

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