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19 mai 2017

Evolution in butterfly eye dependent on sex, scientists find [Science Daily]

By analyzing both the genes that control color detecting photoreceptors and the structural components of the eye itself, University of California, Irvine evolutionary biologists have discovered male and female butterflies of one particular species have the unique ability to see the world differently from each another because of sex-related evolutionary traits.

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19 mai 2017

Fish boost photosynthesis by wafting water around corals [New Scientist]

The fin fanning of damselfish in the Red Sea helps boost the rate of photosynthesis of the algae that live inside corals.

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18 mai 2017

Beaver dams keeps streams cool and protect sensitive fish [New Scientist]

Dam, what a find ! Beaver dams could lower maximum water temperatures in streams – keeping temperature-sensitive fish safe from dangerous highs.

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18 mai 2017

Trees in eastern US head west as climate changes [Nature - News]

Breaking from the general poleward movement of many species, flowering trees take an unexpected turn.

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18 mai 2017

1 730 nouvelles plantes découvertes en 2016 [Le Monde - Biodiversité]

L’organisation scientifique Les Jardins botaniques royaux de Kew dresse un nouvel inventaire de la flore mondiale. De possibles aliments du futur y figurent.

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