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U.S. medical scientists say they may have found clues to the biological basis of migraine headaches suffered by 15 percent to 20 percent of people worldwide.

Researchers at the university of Southern California (USC) have identified a specific tumor suppressor that manages membrane traffic routes for cellular cleaning and recycling. The study will be published in the July issue of the journal Nature Cell Biology, and is now available online.

Photo courtesy PDPhoto.org Flowering plants, also called angiosperms, are the most numerous of all the divisions in the Plant Kingdom. The parts of a flowering plant are characterized by...

A dynamic way to alter the shape and size of microscopic three-dimensional structures built out of proteins has been developed by biological chemist Jason Shear and his former graduate student Bryan Kaehr at The university of Texas at Austin. Shear and Kaehr fabricated a variety of detailed three-dimensional microstructures, known as hydrogels, and have shown that they can expand and bend the hydrogels by altering the chemistry of the environment in which they were built.

A farm irrigation canal would seem a healthier place for toads than a ditch by a supermarket parking lot. But university of Florida scientists have found the opposite is true. In a study with wide implications for a longstanding debate over whether agricultural chemicals pose a threat to amphibians, UF zoologists have found that toads in suburban areas are less likely to suffer from reproductive system abnormalities than toads near farms - where some had both testes and ovaries.

Researchers at the David Geffen School of Medicine at UCLA have solved the structure of a class of proteins known as sodium glucose co-transporters (SGLTs), which pump glucose into cells. These transport proteins are used in the treatment of chronic diarrhea via oral rehydration therapy, saving the lives of millions of children each year. The solution of the SGLT structure will accelerate development of new drugs designed to treat patients with diabetes and cancer.

Have you ever thought about what makes mammal species different from other vertebrates? If not, I'm sure that you have noticed the differences between a crocodile (which belongs to...

Police said Saturday they have arrested a man in connection with the brutal stabbing deaths of two French students in London this week.

Compact, bedside brain-activity monitors detected most seizures in at-risk infants. That means the compact units could assist clinicians in monitoring for electrical seizures until confirmation with conventional EEG, the researchers assert in an article in Pediatrics.

Most of the functions performed by a cell are the result of interactions between proteins, which recognise their binding partner by affinity features localized on the protein surface.