Researchers at UT Southwestern Medical Center have determined how a substance derived from the bark of the South American lapacho tree kills certain kinds of cancer cells, findings that also suggest…

Constipated? In the early 19th century, the apothecary would most likely have prescribed you calomel, or mercurous chloride, as a purgative, regardless of its toxicity. Because it worked. It was…

In the first scientific publication from The Genographic Project, a five-year effort to understand the human journey, researchers report their experience of genotyping human mitochondrial DNA during…

The first U.S. study to transplant a potent form of purified adult stem cells into the heart muscle of patients with severe angina provided evidence that the procedure is safe and produced a…

A unique study by researchers at the University of York and Hull York Medical School has confirmed a link between depression and low levels of folate, a vitamin which comes from vegetables. In…

During flowering four different types of floral organs need to be formed: Sepals, which protect the inner organs; The frequently ornamental petals; Stamens, which produce pollen and; The carpels…

A synthetic version of a molecule found in the egg cells of the Northern Leopard frog (Rana pipiens) could provide the world with the first drug treatment for brain tumours. Known as Amphinase, the…

A search for the molecular clues of longevity has taken Mayo Clinic researchers down another path that could explain why some people who consume excessive calories don’t gain weight. The study, which…

Children suffering from pneumonia could be spared the pain of the doctor’s needle, thanks to new research funded by the British Lung Foundation. The study, a world-first carried out by researchers at…

How does a cell process information? Unlike computers, with CPUs to carry out calculations, and animals, which have brains that process sensory information, cells have no centralized device for…