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DNA

The twins from Tynset and the mystery disease

Everything seemed fine with the twins from Tynset — until they gradually lost their vision and the ability to walk. After 50 years, doctors and scientists have finally solved their medical mystery.

Can microRNA in food harm us? No, say scientists

Scientists express doubt over previous study that reported how genetic material from food can enter the blood stream and affect our health.

How to track down your ancestry with DNA

Many can follow their ancestry as far back as 2,000 years.

Global genetic diversity mapped by new study

New method couples genes and geography to produce the first global map of genetic diversity.

Scientists trace unknown ocean life from a can of water

Scientists have discovered a new method to map animal life in the deep ocean, using only DNA samples contained in a can of water.

DNA evidence is not always foolproof

DNA testing has become more and more precise, and tests can now be conducted on tiny bits of material from the crime scene. But DNA testing has its —mostly human—weaknesses.

Scientists want to collect your DNA when you die

It will take 10 years to gather genetic information on half a million dead people. But is it ethical? And how will they do it?

Do you have composer genes?

Musical creativity is at least partly inheritable according to a new study.

New evidence that environmental change can outpace genetic adaptation

DNA analyses of a now extinct population of butterflies shows they could not adapt fast enough to habitat loss during the 20th century.

Genetic tests uncover lethal legacy — at a price

It’s become ever easier to test for mutations that increase a woman’s risk of breast and ovarian cancer. But what kind of psychological burden does the test impose on women who take it?