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3 février 2017

La résistance des requins face aux cancers expliquée par leur génome [Sciences et Avenir - Animaux]

Des chercheurs américains estiment que les requins n’ont pas de cancers grâce à l’évolution de deux de leurs gènes.

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3 février 2017

Seeking freshwater pandas : the ‘flagship umbrella species’ approach [The Freshwater Blog]

The identification of flagship species for aquatic ecosystems – so-called ‘freshwater pandas’ – may help bring threatened freshwater biodiversity ‘to life’ and increase awareness of, and support for, conservation measures, according to a new open-access study published in Conservation Biology. Flagship species were defined in 2000 by conservationists Nigel Leader-Williams and Holly Dublin as “popular charismatic species that serve as symbols and rallying points to stimulate conservation awareness and action.”

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3 février 2017

On a trouvé le nid du pétrel de Bourbon. Et ça a pris 130 ans [Sciences et Avenir - Animaux]

Après 130 ans de recherches, des terriers de reproduction de cet oiseau marin très rare endémique de l’île de la Réunion ont enfin été découverts. Un exploit technique pour un oiseau tout noir qui ne vit que la nuit !

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3 février 2017

Fish found to communicate with one another using urine [Phys]

A trio of researchers with the University of Bern in Switzerland has found that at least one species of fish communicates with others of its kind using chemicals in its urine. In their paper published in the journal Behavioral Ecology and Sociobiology, the team outlines experiments they conducted with a cichlid fish and what they discovered.

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3 février 2017

This parasitic plant steals more than nutrients from its hosts [The Scientist]

The parasitic plant Lophophytum mirabile grows in the Amazon forest, sucking its nutrients (and some mitochondrial DNA) from the roots of other plants.

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