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5 mars 2017

Stubborn wasp queens pass their personality on to their colony [New Scientist]

Annoying and stubborn ! That’s how most of us would characterise the wasps that buzz around our food when we try to enjoy a quiet lunch outside.
But there may be more to wasp personality than this, according to work led by Colin Wright at the University of California, Santa Barbara.

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5 mars 2017

Newly discovered Tanzanian frog already facing extinction [Mongabay]

Genetic analysis of a spiny-throated reed frog hidden in museum collections has revealed it to be a new species. But recent surveys of its heavily deforested habitat have failed to find more.

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3 mars 2017

Amazon Rainforest Was Shaped by an Ancient Hunger for Fruits and Nuts [Scientific American]

People living in the area thousands of years ago may have changed the forest around them in ways that are still visible today.

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3 mars 2017

Ressusciter des espèces disparues serait néfaste pour les espèces vivantes [Sciences et Avenir - Biodiversité]

Des chercheurs australiens estiment que ressusciter des espèces disparues pourrait conduire à la réduction des moyens destinés à la conservation de celles encore en vie.

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3 mars 2017

What global climate change may mean for leaf litter in streams and rivers [Phys]

Carbon emissions to the atmosphere from streams and rivers are expected to increase as warmer water temperatures stimulate faster rates of organic matter breakdown. But a new study led by University of Utah researcher Jennifer J. Follstad Shah, in collaboration with a team of 15 scientists in the U.S. and Europe, suggests these decay rates may not increase as much as expected.

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