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14 February 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 February 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 February 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 February 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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13 February 2018

Despite odds, fish species that bypass sexual reproduction are thriving [Phys]

The very rare animals that reproduce asexually—only about one in 1,000 of all living vertebrate species—are thought to be at an evolutionary disadvantage compared with their sexually reproduced counterparts. But that theory doesn’t hold true regarding the Amazon molly, an all-female fish species that has thrived for millennia in the fresh waters along the Mexico-Texas border.

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