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Home > Communication > Scientific newsletter > Press articles > Science

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30 March 2017

Social bees have kept their gut microbes for 80 million years [Phys]

About 80 million years ago, a group of bees began exhibiting social behavior, which includes raising young together, sharing food resources and defending their colony. Today, their descendants—honey bees, stingless bees and bumble bees—carry stowaways from their ancient ancestors: five species of gut bacteria that have evolved along with the host bees.

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29 March 2017

Alien intelligence: the extraordinary minds of octopuses and other cephalopods [The Guardian]

After a startling encounter with a cuttlefish, Australian philosopher Peter Godfrey-Smith set out to explore the mysterious lives of cephalopods. He was left asking: why do such smart creatures live such a short time?

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29 March 2017

How bacteria hunt other bacteria [Phys]

A bacterial species that hunts other bacteria has attracted great interest as a potential living antibiotic, but exactly how this predator tracks down its prey has not been clear. A study published March 28 in Biophysical Journal sheds light on this question, revealing that the bacterial predator Bdellovibrio bacteriovorus (BV) homes in on its target by taking advantage of fluid forces generated by its own swimming movements and those of its prey. These hydrodynamic flow fields bring the bacteria in close proximity, giving BV a greater chance of successful attack.

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29 March 2017

Le climat changera dans 80 % des parcs avant la fin du siècle, estime une étude [Radio-Canada]

Certaines espèces vivantes devront se déplacer de plusieurs kilomètres par an si elles veulent continuer de bénéficier des conditions climatiques qu’elles connaissent actuellement dans les parcs naturels du Canada.

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29 March 2017

L’évolution dans nos lacs, ou Darwin à l’échelle suisse [Swissinfo]

«Biodiversité», le terme est à la mode, on l’entend partout. Mais est-ce vraiment si grave de perdre une espèce ici ou là? Une étude sur un des poissons les plus populaires de Suisse apporte un nouvel éclairage sur les conséquences d’une baisse de la diversité du vivant.

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