News round-up
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Press
The unique chemistry of French Guiana's army ant venom
In Amazonian army ants (Eciton hamatum), the soldiers' venom does more than just defend against predators. It also contains digestive enzymes, which…
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Invasive species: improving the assessment of how they redefine ecosystems
Although invasive alien species are very often reduced to predators eliminating defenseless prey, in reality they do more than simply weaken certain…
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Lost page of the Archimedes Palimpsest identified in Blois, central France
• A page from the Archimedes Palimpsest, considered lost for several decades, has been identified by a CNRS researcher at the…
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To climb down trees, primates adopt upright postures
While the ability to climb trees has often been studied in arboreal mammals, descending is a far more complex task, as it requires control of balance…
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Women and men roles in the Neolithic were gendered but flexible
Far from the common assumption of a strictly binary division of labour, the roles of women and men in Neolithic Europe were both clearly…
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How age, sex and genetics shape our antibodies
Age, biological sex, and human genetic factors influence the production of antibodies during the immune response. A team of scientists from the…
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A dinosaur with spikes exhibiting unprecedented properties discovered in China
Documented for 200 years, the Iguanodontia group is expanding with the discovery of a brand-new species, the first known to bear spikes with…
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