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5 avril 2017

Weather extremes can exhaust the behavioral flexibility of migratory birds [BMC Series blog]

Research published this week in BMC Ecology examines the effects of two extremes of weather conditions in Mediterranean Europe on birds making their spring migration back from Africa. Lead author Martins Briedis tells us more about his research.

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5 avril 2017

Sex obsession a killer for male snakes [Phys]

An international team of scientists led by the University of Sydney has confirmed a frenzied approach to the mating season is resulting in males ageing faster and dying earlier and in worse condition than their female counterparts, who prioritise body-maintenance over short-term reproductive success.

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5 avril 2017

Eating the gut contents of young fish lengthens life of older killifish [Phys]

A team of researchers from several institutions in Germany has found that middle-age killifish fed the gut contents of younger killifish lived longer than normal. In their paper uploaded to the bioRxiv preprint server, the team describes their experiments with killifish, what they found and where they plan to take their research in the future.

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5 avril 2017

Mystery microorganism may have been the first to produce oxygen [InsideScience]

New findings suggest current oxygen-producing bacteria borrowed the ability from a possibly extinct lifeform.

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5 avril 2017

L’Amazone coule depuis 9 millions d’années [Sciences et Avenir - Archeo & Paleo]

Une nouvelle étude révèle que l’Amazone s’est formé bien plus tôt que ce qui était estimé jusqu’ici.

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