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10 octobre 2017

Why do humans live for so long ? [Nature Ecology & Evolution - Behind the paper]

Evolutionary theory struggles with this question. Natural selection promotes survival only up to the last age of reproduction, but menopause marks the end of fertility for women who live into their 50s. Menopause should reliably mark their death, but that certainly doesn’t happen.

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9 octobre 2017

Soil holds potential to slow global warming, researchers find [Phys]

The work, published in two overlapping studies Oct. 5 in Annual Review of Ecology, Evolution and Systematics and Global Change Biology, emphasizes the need for more research into how soil - if managed well - could mitigate a rapidly changing climate.

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6 octobre 2017

We just found nineteen new species of gecko in one tiny area [New Scientist]

The number of known species of geckos has just jumped upwards, with 15 new species being formally described this week.

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5 octobre 2017

En Australie, les chats tuent 1 million d’oiseaux chaque jour [Sciences & Avenir - Animaux]

Une nouvelle étude a démontré que les chats harets et les chats domestiques sont responsables de la mort de plus d’un million d’oiseaux par jour en Australie.

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5 octobre 2017

Studying bumblebees to learn more about human intelligence and memory [Phys]

A team of researchers at Queen Mary University in the U.K. has found that bumblebees with more "synaptic complexes" in their brains are able to learn new things more quickly and also have better memories than those with fewer of them. In their paper published in Proceedings of the Royal Society B the group describes studying neural connections in individual bee brains and comparing what they found with cognitive abilities.

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