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24 mars 2017

Europe poised for total ban on bee-harming pesticides [The Guardian]

Exclusive : Draft regulations seen by the Guardian reveal the European commission wants to prohibit the insecticides that cause ‘acute risks to bees’.

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24 mars 2017

Étonnant : les araignées auraient chacune leur personnalité [Futura-Sciences]

D’un point de vue neurophysiologique, les araignées sont des animaux plus basiques que les souris ou d’autres vertébrés. Faut-il pour autant en conclure que leurs comportements sont entièrement déterminés par leurs gènes ? Preuves à l’appui, les biologistes américains assurent que non...

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23 mars 2017

New cave catfish threatened by deforestation, mining, pollution [Mongabay]

Researchers say a unique catfish species recently discovered in caves in central Brazil should be listed as Endangered.

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23 mars 2017

Using the placenta to understand how complex organs evolve [The Conversation]

To gain insight into how new organs come to be, my colleague and I decided to focus on one that’s more recently evolved – the placenta. It’s a complex organ that has evolved many times independently. In modern animals we see species with no placenta, species with a complex placenta and myriad species between these extremes.

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23 mars 2017

Female fish with bigger brains choose better mates [New Scientist]

It takes brains to choose a good partner. In one of the first experiments to look at the cognitive demands of choosing a mate, female guppies with big brains showed a preference for more colourful males, while those with smaller brains showed no preference.

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