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24 avril 2018

Une chenille hybride menace l’agriculture mondiale [Sciences et Avenir - Biodiversité]

Des nouveaux volatiles ravageurs pour les cultures agricoles et résistants aux pesticides ont été découverts par des chercheurs australiens.

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24 avril 2018

Les « forêts urbaines », essentielles aux villes de demain [The Conversation]

Les zones urbanisées occupent environ 10 % des surfaces terrestres, une proportion qui ne cesse de croître. Ces espaces constituent les milieux de vie de plus de 50 % de la population mondiale et contribuent de manière importante au changement climatique.

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24 avril 2018

Genetic adaptations to diving discovered in humans for the first time [Phys]

Evidence that humans can genetically adapt to diving has been identified for the first time in a new study. The evidence suggests that the Bajau, a people group indigenous to parts of Indonesia, have genetically enlarged spleens which enable them to free dive to depths of up to 70m.

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24 avril 2018

Male fruit flies feel pleasure when they ejaculate [New Scientist]

Male fruit flies seem to enjoy ejaculation as much as men do. Their “orgasms” seem to be satisfying enough to reduce their craving for other rewards such as alcohol.

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24 avril 2018

New ant species from Borneo explodes to defend its colony [Phys]

Amongst the countless fascinating plants and animals inhabiting the tropical rainforests of Southeast Asia, there are the spectacular "exploding ants", a group of arboreal, canopy dwelling ants nicknamed for their unique defensive behaviour.

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