Howard Hughes Medical Institute (HHMI) researches and their colleagues have discovered that escort molecules are required to usher pheromone receptors to the surface of sensory neurons where they are needed to translate chemical cues.

In an interesting twist, the researchers found that the escort molecules belong to a family of proteins, called the major histocompatibility complex (MHC), which plays an important role in the immune system. The researchers speculate that in addition to being

A robust, new geographic information systems (GIS) software tool developed by a University at Buffalo geographer is helping the U.S. Forest Service to more quickly and accurately assess and contain the devastation wrought by forest fires, such as last summer’s Hayman Fire, Colorado’s worst wildfire ever. That fire, which covered more than 137,000 acres and blazed for more than two weeks, destroyed 133 homes and caused damage of approximately $39 million.

The new tool, to be presen

While studying mice with a mutant gene whose counterpart causes inherited glaucoma in humans, researchers have discovered a second gene mutation that worsens the structural eye defect that causes this type of glaucoma.

The newly discovered gene mutation affects production of L-DOPA. The researchers suggest that it might be feasible to prevent glaucoma by administering L-DOPA, which is used in treating Parkinson’s disease.

The researchers, led by Howard Hughes Medical Institute

A lot of attention has been paid in recent years to the asteroid threat issue. The International Asteroid Patrol has been set up to monitor the flight of potentially dangerous celestial rocks in visual diapason. However, the accuracy of optical methods for determining the trajectory leaves much to be desired. That accounts for inaccuracy of numerous forecasts predicting the date when the space “killer” is to collide with the Earth.

The scientists of the Radio-Astronomical Institute (

UK scientists have made a major scientific advance by establishing proof of principle that the development of prion disease can be prevented in mice using monoclonal antibodies (mAbs). The work lays the foundation for further research to explore the potential of mAbs to treat specific prion diseases such as CJD and vCJD. The work is published today (6 March 2003) in Nature.

Mice in the 17 month study treated with mAbs remain clinically healthy almost a year after the untreated mice succumbed

Scientists at the University of Manchester have turned back the evolutionary clock to reveal a hidden mechanism for differentiation between species of the same family, according to an article published in the journal Nature this week. The finding sheds new light on how different species may have arisen and questions the very notion of how we define individual species.

The work, funded by the Biotechnology and Biological Sciences Research Council (BBSRC) and the Wellcome Trust, was c