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8 juin 2017

According to recent studies, declines in wild... [Phys]

According to recent studies, declines in wild and managed bee populations threaten the pollination of flowers in more than 85 percent of flowering plants and 75 percent of agricultural crops worldwide. Widespread and effective monitoring of bee populations could lead to better management ; however, tracking bees is tricky and costly. Now, a research team led by the University of Missouri has developed an inexpensive acoustic listening system using data from small microphones in the field to monitor bees in flight. The study, published today in PLOS ONE, shows how farmers could use the technology to monitor pollination and increase food production.

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8 juin 2017

Bird caught in amber 100 million years ago is best ever found [New Scientist]

Insects are not the only creatures that got stuck in amber during the time of the dinosaurs. Bits of ancient birds and dinosaurs have been found too – and now the most complete bird yet has been found.

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8 juin 2017

Le record de chromosomes détenu par un papillon maghrébin [Ecologie.ma]

Dans tout le règne animal, l’espèce qui comporte le plus grand nombre de chromosomes est un papillon du Maroc : l’azuré de l’Atlas.

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8 juin 2017

La découverte qui bouleverse l’histoire d’« Homo sapiens » [Le Monde - Paléontologie]

Des restes, trouvés au Maroc, de cinq individus datant d’environ 315 000 ans pourraient repousser de 100 000 ans l’âge de notre espèce, et plaideraient pour son origine « panafricaine ».

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7 juin 2017

Italy rebuked for failure to prevent olive-tree tragedy [Nature - News]

European Commission reveals widespread delays by the country’s authorities to halt spread of deadly plant disease.

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