A new, undescribed species of marine worm. Coral reefs, coastal rainforest, land-grab, industrial bananas and organic cacao, mangroves, tourist boom, eclectic cultural mix: A Caribbean Journal of Science special issue presents the first scientific overview of the marine environment in Bocas del Toro Province near Panama's border with Costa Rica. With color photographic guide to marine invertebrates--the volume, edited by Dr. Rachel Collin, director STRI's research station in Bocas--debuts new species and new records for Panama and provides an essential reference for researchers, tourists and conservationists throughout the region.

Scientists from the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health, have determined how a promising drug candidate attacks the bacterium that causes tuberculosis (TB). Published online this week in Proceedings of the National Academy of Sciences, the finding may help scientists optimize the drug candidate, PA-824, which targets Mycobacterium tuberculosis (M. tb).

A new gene therapy technique that has shown promise in skin disease and hemophilia might one day be useful for treating muscular dystrophy, according to a new study by researchers at Stanford University School of Medicine.

Despite the prevailing belief that adult brain cells don't grow, a researcher at MIT's Picower Institute for Learning and Memory reports in the Dec. 27 issue of Public Library of Science (PLoS) Biology that structural remodeling of neurons does in fact occur in mature brains.

A UC Riverside-led research team has found that as some populations of an organism evolve a longer lifespan, they do so by increasing only that segment of the lifespan that contributes to "fitness" – the relative ability of an individual to contribute offspring to the next generation.

Neuroscientists at Princeton University have developed a new way of tracking people's mental state as they think back to previous events -- a process that has been described as "mental time travel."