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Many men needlessly tested for prostate cancer

Doctors often retest men for prostate cancer, even though the first test showed no signs of cancer. This is pointless and debases male patients, say scientists.

Global genetic diversity mapped by new study

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

Pre-eclampsia increases risk of asthma in childhood

New research shows that children whose mothers suffer from pre-eclampsia during pregnancy are more likely to develop asthma later in life.

Cycle like the Scandinavians for a healthier society

Cycling to and from work can reduce the risk factors associated with heart disease. So do it like Denmark and get on your bike, say scientists.

Greenland seaweed helps combat ocean acidification

Kelp forests around Greenland take up enough CO2 to locally offset ocean acidification and protect local shellfish, shows new research.

Dinosaur colours and surroundings recreated from fossils

Fossilised colours breathe new life into theories on how and where dinosaurs lived.

Four years later: is CO2 making us fat?

In 2012 a group of scientists proposed a hypothesis that CO2 in the atmosphere is making us fat. We’ve checked in with the scientists to see what developments they’ve made.

Facebook is not about stimulating Democracy

OPINION: Facebook is a social media outlet designed to make money on user traffic and attention--stimulating democracy is not part of the business model. But censoring freedom of speech, may well be.

Help scientists map the bacterial jungle in your shower

Shower-heads are a haven of bacterial life and now scientists want us to help them map the slime that pours over us every time we wash.

New theory explains formation of unique rocks

Scientists have discovered how unique rocks in a meteor crater in South Africa formed. It is a big step forward, say scientists.

Norwegian study links flu vaccine to narcolepsy risk

The Norwegian Institute of Public Health has found an elevated risk of narcolepsy among children and young adults who were vaccinated against the swine flu seven years ago. Some who did not take the vaccine against the pandemic of 2009 also developed this severe sleeping disorder.