A diet rich in soy prevents weight gain in post-menopausal female rats, according to new research.

Archaeological research in East Timor has unearthed the bones of the biggest rat that ever lived, with a body weight around six kilograms. Today's biggest rats weigh around two kilograms and live in rainforests in the Philippines and New Guinea.

Neurobiologists can now activate specific nerve cells to study the association between sensations and negative experiences.

A major discovery promises to revolutionize the way scientists think about key aspects of cellular lifecycle and offers a new avenue for cancer researchers to explore in their quest to one day slow down the progression of cancer.

Most people know that high cholesterol levels place them at increased risk for heart disease and stroke. Prior research has shown that particular types of strokes contribute to one’s risk for depression, and that abnormal blood lipid levels can increase the risk of depression in the elderly. However, new findings by French researchers suggest the link between increased cholesterol and depression may be complicated.

It’s been said that the typical mobile phone contains roughly half of all elements found on the Periodic Table. One of the most problematic substances used in phones and other electronics is lead. But making lead-free electronics has proved problematic – until now. Researchers have now developed a method that enables the industrial production of a substance that can be used to replace lead in many electronic applications.

Couples considering undergoing assisted reproductive technology (ART) treatment should be informed about the increased risk of congenital malformation posed by the use of ART, experts say.

In the spring, later sunset and extended daylight exposure delay bedtimes in teenagers, according to new research.

The world's largest particle accelerator -- Europe's Large Hadron Collider (LHC) -- has yielded its first measurements of fundamental subatomic particles, so far confirming physicists' Standard Model but also paving the way to future discoveries that may offer new insights into the forces that govern the universe.

Researchers have discovered that a kind of sugar molecule common to chimpanzees, gorillas and other mammals but not found in humans provokes a strong immune response in some people, likely worsening conditions in which chronic inflammation is a major issue.