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Genetics

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.

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.

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.

Obesity epidemic is not caused by genes or lifestyle

Neither genes nor lifestyle are responsible for widespread obesity. Instead, it may be entirely down to our environment during childhood.

Two birds have cheated scientist for decades

Scandinavian scientists have turned the family trees of two birds upside down using genetic analysis.

Killer whales and walruses more closely related to wolves than each other

New study shows how some animals ended up looking very similar yet share almost none of the same genetic mutations.

New study strengthens link between genes and obesity

Multiple regions in your genome help determine how much you weigh and how fat is distributed in your body.

New research project sets its sights on cure for heart failure

Modern medicine can only slow down development of heart failure, but not prevent it. New project aims to change that.

DNA sequencing reveals how tuberculosis epidemic spread

Scientists describe how a deadly tuberculosis strain came to ravage the entire world.