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14 février 2018

Decline in krill threatens Antarctic wildlife, from whales to penguins [The Guardian]

Climate change and industrial-scale fishing is impacting the krill population with a potentially disastrous impact on larger predators, say scientists.

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14 février 2018

Ants nurse wounded warriors back to health : study [Phys]

African Matabele ants dress the wounds of comrades injured during hunting raids and nurse them back to health, according to an "astonishing" discovery reported Wednesday.

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14 février 2018

‘Epic Duck Challenge’ shows drones can outdo people at surveying wildlife [The Conversation]

Ecologists are increasingly using drones to gather data. Scientists have used remotely piloted aircraft to estimate the health of fragile polar mosses, to measure and predict the mass of leopard seals, and even to collect whale snot. Drones have also been labelled as game-changers for wildlife population monitoring.

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14 février 2018

’Evolution in real time’ : silent crickets still singing for a mate [The Guardian]

Scientists are fascinated that Hawaiian crickets still perform their vigorous mating call, despite having evolved to lose their song to avoid a deadly new parasite.

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14 février 2018

Des études scientifiques solides nécessitent de nombreuses approches indépendantes [Pour La Science]

La réplication des résultats ne suffit pas pour assurer la véracité des découvertes scientifiques. Deux épidémiologistes de l’Université de Bristol plaident en faveur d’une approche appelée triangulation.

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