Researchers at and associated with the International AIDS Vaccine Initiative (IAVI), at The Scripps Research Institute, and at the biotechnology companies Theraclone Sciences and Monogram Biosciences have discovered two powerful new antibodies to HIV that reveal what may be an Achilles heel on the virus. They published their work in Science this week.

Reptiles are not known to be the most social of creatures. But when it comes to laying eggs, female reptiles can be remarkably communal, often laying their eggs in the nests of other females. New research in the September issue of The Quarterly Review of Biology suggests that this curiously out-of-character behavior is far more common in reptiles than was previously thought.

Conservation biologists based in four countries gathered for an emergency meeting in Vientiane, Lao PDR, August 19󈞁, to address the peril of extinction facing one the world's most enigmatic mammals, the Saola.

A new study has voiced concern about the growing market for brain screening tests, which people can buy as part of a general health MOT.

Eat less, exercise more. Now there is new evidence to support adding another "must" to the weight-loss mantra: eat at the right time of day.

Insects are about to be analyzed in a new way by a host of Virginia Tech engineering faculty. They will be using some fancy state-of-the-art equipment, such as a kilometer-long synchrotron x-ray light source, which might be enough to scare any bug. And first up will be beetles, grasshoppers and silk moths because they have some endearing characteristics.