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8 avril 2017

Tropical lowland frogs at greater risk from climate warming than high-elevation species, study shows [Phys]

A new study of Peruvian frogs living at a wide variety of elevations—from the Amazon floodplain to high Andes peaks—lends support to the idea that lowland amphibians are at higher risk from future climate warming.

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8 avril 2017

Baby ants have a host of unexpected superpowers [BBC]

The youngsters in ant nests take on so many important roles that some biologists think they might form a unique social caste.

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7 avril 2017

Cannibal larvae eat eggs, grow fast, avoid predators [Phys]

Insects that cannibalize often do so to boost their nutrition, but a new study of Colorado potato beetles suggests another reason for the behavior : to lay low from predators.

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7 avril 2017

Honey bees have sharper eyesight than we thought [Phys]

Research conducted at the University of Adelaide has discovered that bees have much better vision than was previously known, offering new insights into the lives of honey bees, and new opportunities for translating this knowledge into fields such as robot vision.

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6 avril 2017

En direct des espèces : une blatte réécrit l’histoire de la Nouvelle-Calédonie [The Conversation]

Quelquefois, trouver une espèce d’insecte nouvelle pour la Science peut s’avérer lourd de conséquences… intéressantes. Démonstration avec de petites blattes des forêts de la Nouvelle-Calédonie, au large de l’Australie.

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