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4 juillet 2018

Loss of lemurs might endanger many of Madagascar’s largest tree species [Phys]

Widespread logging and hunting have endangered virtually all of Madagascar’s 100-plus species of iconic lemurs, and a new study by Rice University ecologists illustrates how saving the animals may also be key to saving the island’s largest trees.

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4 juillet 2018

Host plants tell insects when to grow longer wings and migrate [Phys]

Scientists at Washington State University and China Jiliang University have discovered that the quality of the host rice plant determines whether the brown planthopper, a major pest on rice in Asia, grows short wings or long wings.

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29 juin 2018

Lemurs can smell weakness in each other [Phys]

These primates from Madagascar can tell that a fellow lemur is weaker just by the natural scents they leave behind, finds a study on ring-tailed lemurs led by Duke University researchers. Males act more aggressively toward scents that smell "off."

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29 juin 2018

What’s giant panda conservation worth ? Billions every year, study shows [Phys]

In China, the giant panda is clearly a cultural icon. And yet panda conservation, and the panda itself, is often criticized because of the associated cost. But an analysis reported in Current Biology on June 28 shows that panda conservation has great value that extends far beyond protection of pandas themselves.

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29 juin 2018

Les pesticides augmentent-ils le risque de surpoids ? [Sciences & Avenir - Santé]

En exposant faiblement des souris à des pesticides, des chercheurs ont constaté un surpoids chez les mâles, et pas chez les femelles.

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