The latest news on science
New model may lead to better treatments for chronic sores.
Many pilots think false speed readings may have triggered a chain of events that doomed the plane.
Chemistry may help scientists improve control of invasive fire ants.
Decline in sea ice could mean the loss of two-thirds of global polar bear population by mid-century.
The average plasma TV uses more than three times as much energy as an old cathode-ray tube set.