Human language most likely evolved gradually

One of the most controversial hypotheses for the origin of the human language faculty is the evolutionary conjecture that language arose instantaneously in humans through a single gene mutation. `

Tumor cell expansion challenges current physics

A malignant tumor is characterized by the ability to spread. To do so, tumor cells stick to the surrounding tissue (mainly collagen) and use physical forces to propel themselves. A study published in Nature Physics by a team ...

The missing ocean 'plastic sink'

Plastics are a growing problem for natural ecosystems around the globe, and in particular for our marine and freshwater environments. Rivers are the leading source of plastic pollution, as it has been estimated that they ...

Bats and rabies virus: More data on colonies at high risk

A new approach to rabies virus epidemiology in bats shows that the risk of infection is higher in large and multispecies colonies. The research, published on the journal PLOS ONE, has been led by Jordi Serra Cobo, professor ...

Toward the origin of America's first settlers

The most supported traditional hypothesis points out that the earliest well-established human culture in the North American continent were the Clovis, a population of hunters who arrived about 13,000 years before present ...

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