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17 mai 2016

Comment les poissons filtrent l’eau [Sciences et Avenir - Animaux]

Des chercheurs ont enfin compris la technique du requin-pèlerin ou de la raie manta pour se nourrir de plancton sans ingérer de particules toxiques.

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17 mai 2016

Les papillons de nuit savent parler aux chauves-souris ! [Sciences et Avenir - Animaux]

Dans la chaleur de la nuit, les papillons savent faire comprendre à leurs prédateurs qu’ils ne sont pas bons à manger en émettant des bruits à haute fréquence.

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17 mai 2016

Natural selection sculpts genetic information to limit diversity [Phys]

A study of butterflies suggests that when a species adapts, other parts of its genetic make-up can be linked to that adaptation, limiting diversity in the population.

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17 mai 2016

New diatom species identified [Phys]

A newly discovered species of diatom, a microscopic creature that is key to the health of the planet, is named after a Lancaster professor.

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13 mai 2016

First eukaryotes found without a normal cellular power supply [Science]

You can’t survive without mitochondria, the organelles that power most human cells. Nor, researchers thought, can any other eukaryotes—the group of organisms we belong to along with other animals, plants, fungi, and various microscopic creatures. But a new study has identified the first eukaryote that has ditched its mitochondria, suggesting that our branch on the tree of life may be more versatile than researchers thought.

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