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When did Tibetans have sex with prehistoric humans?

Sex with ancient humans enabled the Tibetans to adapt to a life at 4,000 metres above sea level and sheds light on our own evolutionary history.

Parkinson's disease may start in the Stomach

New study shows Parkinson's disease begins in the gut and creeps up the vagus nerve to the brain, offering hope for new treatments

Why dinosaurs avoided the equator for 30 million years

Researchers have discovered why it took the dinosaurs 30 million years to capture the equator.

Your neighbour’s skin colour means less if your politics are aligned

Politics override ethnicity. A new study shows how we divide ourselves into groups, according to our political beliefs.

See where the Vikings travelled

Use the interactive map to find out where the Vikings travelled to and how they traded and plundered in everything from spices to slaves.

Nose bacteria can reduce risk of hospital infections

Changing the bacterial composition in your nose could combat MRSA and help to avoid infections during surgery.

A new GMO technique that organic farmers will love

Genetic engineering of plants can restore characteristics lost through traditional breeding.

How to nudge consumers to make greener choices

Customers can be nudged into choosing environmentally friendly alternatives when shopping online.

Antidepressants do not cause heart defects in babies

A large study dispels any notions about SSRIs causing serious heart defects in babies.

Kennewick Man’s genome suggests Native American ancestry

New genetic evidence turns existing theories on their head and settles a fierce debate over the remains of a prehistoric man once and for all.

When science promoted sugar as healthy

Studies in the 1970s showed that people couldn’t get overweight or develop cardiovascular diseases from consumption of carbohydrates such as sugar. A Norwegian professor thinks we are still paying for this mistake.