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13 December 2017

Engineers create plants that glow [Phys]

Imagine that instead of switching on a lamp when it gets dark, you could read by the light of a glowing plant on your desk.
MIT engineers have taken a critical first step toward making that vision a reality. By embedding specialized nanoparticles into the leaves of a watercress plant, they induced the plants to give off dim light for nearly four hours. They believe that, with further optimization, such plants will one day be bright enough to illuminate a workspace.

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13 December 2017

How honey bee gut bacteria help to digest their pollen-rich diet [Phys]

The honey bee gut is colonized by specialized bacteria that help digest components of the floral pollen diet and produce molecules that likely promote bee health. In a study publishing 12 December in the open access journal PLOS Biology, a group of researchers led by Philipp Engel at the University of Lausanne and ETH Zürich, Switzerland, have uncovered which bacterial species perform which specific digestive functions in the bee gut.

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13 December 2017

One Planet Summit : la finance "verte" au chevet du climat ? [Notre-planete]

Organisé à l’initiative de la France, avec les Nations unies et la Banque mondiale, le One Planet Summit vise à célébrer les deux ans de l’Accord de Paris en accélérant sa mise en œuvre. Ce sommet international, dédié à la mobilisation autour d’engagements et de projets concrets a rassemblé 4000 acteurs engagés dans la lutte contre le changement climatique.

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12 December 2017

Overfishing and climate change push seabirds to extinction [The Guardian]

Kittiwakes and gannets are among seabirds that have joined endangered species on IUCN red list as food stocks dwindle, says study.

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8 December 2017

Le gene-drive financé par l’armée américaine et soutenu par la fondation Gates [Gènétique]

Alors que le groupe de travail du protocole de Carthagène est réuni à Montréal dans le cadre de la Convention de l’ONU sur la biodiversité, des documents ont été rendus publics qui montrent « que l’armée étasunienne finance fortement des recherches sur le forçage génétique et que la Fondation Bill et Melinda Gates finance les lobbys dans les différentes agences internationales pour faciliter l’usage de cette technique hautement controversée ».

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