Ancient DNA reveals that the ancestors of modern-day Native Americans had European roots. The discovery sheds new light on European prehistory and also solves old mysteries concerning the colonisation of America.
Is it possible to predict whether a child will develop cancer in adulthood? It sounds unlikely, but a new study indicates that tall boys have a greater risk of developing prostate cancer when they grow up.
Scientists have identified a gene that helps trigger asthma attacks in children. The gene has no effect on asthma in adults. The discovery thus confirms the hypothesis that ‘asthma’ covers a variety of diseases.
CERN’s Large Hadron Collider particle accelerator smashes protons together with such great force that it can give birth to hitherto unknown particles. A new method makes it easier to recognise the new particles.
The hummingbird’s super-fast wing beats are among the most energy-intensive movements in the animal kingdom. Still, the birds can fly 4,000 metres above sea level, where there is very little oxygen. Scientists have now figured out how this is possible.