Why do we gesticulate?

If you rely on hand gestures to get your point across, you can thank fish for that! Scientists have found that the evolution of the control of speech and hand movements can be traced back to the same place in the brain, which ...

Biological fitness trumps other traits in mating game

When a new species emerges following adaptive changes to its local environment, the process of choosing a mate can help protect the new species' genetic identity and increase the likelihood of its survival. But of the many ...

Learned helplessness in flies and the roots of depression

When faced with impossible circumstances beyond their control, animals, including humans, often hunker down as they develop sleep or eating disorders, ulcers, and other physical manifestations of depression. Now, researchers ...

Pig wasting syndrome costing farmers millions

Stark new figures show that a common pig virus, present on 99 per cent of pig farms has major economic implications for individual farmers and the pig industry as a whole, costing British farmers as much as £84 per pig (if ...

Controlling inflammatory and immune responses

Researchers at the IRCM, led by geneticist Dr. Jacques Drouin, recently defined the interaction between two essential proteins that control inflammation. This important breakthrough will be published in tomorrow's print edition ...

New study makes key finding in stem cell self-renewal

A University of Minnesota-led research team has proposed a mechanism for the control of whether embryonic stem cells continue to proliferate and stay stem cells, or differentiate into adult cells like brain, liver or skin.

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