Researchers have discovered a new gene they say helps explain how humans evolved from chimpanzees.

The gene, called miR-941, appears to have played a crucial role in human brain development and could shed light on how we learned to use tools and language, according to scientists.

A team at the University of Edinburgh compared it to 11 other species of mammals, including chimpanzees, gorillas, mice and rats.

The results, published in Nature Communications, showed that the gene is unique to humans.

The team believe it emerged between six and one million years ago, after humans evolved from apes.

Researchers said it is the first time a new gene carried by humans and not by apes has been shown to have a specific function in the human body.

Martin Taylor, who led the study at the Institute of Genetics and Molecular Medicine at the University of Edinburgh, said: 'As a species, humans are wonderfully inventive - we are socially and technologically evolving all the time.

'But this research shows that we are innovating at a genetic level too.

'This new molecule sprang from nowhere at a time when our species was undergoing dramatic changes: living longer, walking upright, learning how to use tools and how to communicate.

'We're now hopeful that we will find more new genes that help show what makes us human.'

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'Unique' evolution gene find hailed

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