A breakthrough announced this week by scientists at the University of Southampton's School of Medicine will lead to greater understanding of noroviruses, the most common cause of non-bacterial…

The adaptive significance of the unique ability in many primates to distinguish red hues from green ones (i.e., trichromatic color vision) has always enticed debate among evolutionary biologists.…

Two new studies suggest older men and women taking selective serotonin reuptake inhibitors, a class of antidepressants that includes Prozac, Paxil and Zoloft, are prone to increased bone loss. The…

A new drug delivery method using nano-sized molecules to carry the chemotherapy drug doxorubicin to tumors improves the effectiveness of the drug in mice and increases their survival time, according…

Deep coal seams that are not commercially viable for coal production could be used for permanent underground storage of carbon dioxide (CO2) generated by human activities, thus avoiding atmospheric…

Fish use the threat of punishment to keep would-be jumpers in the mating queue firmly in line and the social order stable, a new study led by Australian marine scientists has found. Their discovery,…

Any machinist will tell you that a little grease goes a long way toward making a tool work better. And that may soon hold true for plastic electronics as well. Carnegie Mellon University chemists…

In a host of neurological diseases, including multiple sclerosis (MS) and several neuropathies, the protective covering surrounding the nerves – an insulating material called myelin – is damaged.…

Researchers have used nanotechnology to create transparent transistors and circuits, a step that promises a broad range of applications, from e-paper and flexible color screens for consumer…

Human DNA, the Ultimate Spot for Secret Messages (Are Some There Now?)

Umbilical cord blood may safely preserve insulin production in children newly diagnosed with type 1 diabetes, according to findings from a small national pilot study . University of Florida…

Treatment with intravenous bisphosphonates — drugs used to reduce harm done to bones by cancer or cancer therapy — increases the risk of jaw or facial bone disease or infection, a large-scale…

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…