Brightsurf Science News & Current Events

December 01, 2001
NASA taps JHU/APL team for first Pluto/Kuiper Belt mission
NASA has selected a team led by The Johns Hopkins University Applied Physics Laboratory and Southwest Research Institute to develop the first mission to explore Pluto and the Kuiper Belt region beyond the distant planet.

Georgetown studies find that delaying treatment of spinal cord injury may aid in recovery
Researchers at Georgetown University Medical Center have found that rats whose spinal cords had been severed recovered more fully when treatment was delayed until two to four weeks after the spinal cord injury.

Differences in brain usage among Braille readers shed new light on the relationship between thought and language
Individuals who have been blind from birth use different parts of their brain when reading Braille than those who lost their sight early in life ... a difference that sheds new light on the relationship between thought and language.

New research on safety of intracoronary delivery of adenovector reported in cover story of Molecular Therapy
Collateral Therapeutics, Inc. announced that preclinical in vitro and in vivo results reported in the December 2001 issue of Molecular Therapy showed that male reproductive cells (germ cells) were unaffected following intracoronary delivery of Collateral's adenovector (adenovirus serotype 5 - Ad5).

Landmark study uncovers reasons behind recurring back injury
In the first study of its kind, researchers here believe they've found an important factor in recurring back injury: our natural tendency to avoid using hurt muscles.

Imaging studies expand understanding of how methamphetamine affects the human brain
Two recently published studies about methamphetamine offer additional insights about the actions of this drug in the brain.

Psychological barriers prevent some mentally ill from seeking help
More than 60 percent of individuals with serious mental illness may not be receiving treatment, and contrary to previous research, the rural mentally ill are more likely to get treatment than their urban counterparts, according to a new study.

Brain shows ability to recover from some methamphetamine damage
A new brain-imaging study at the U.S. Department of Energy's Brookhaven National Laboratory indicates that some of the damage caused by methamphetamine -- a drug abused by ever-increasing numbers of Americans -- can be reversed by prolonged abstinence from the drug.

Methamphetamine delivers 'one-two' punch to the brain
A new brain-imaging study at the U.S. Department of Energy's Brookhaven National Laboratory reveals that, compared with people who don't use drugs, people who abuse methamphetamine have fewer receptors for dopamine, a brain chemical associated with feelings of reward and pleasure.

Delayed treatment of spinal cord injury may improve recovery
Rats given an experimental therapy several weeks after their spinal cords were severed showed dramatically greater regrowth of nerve fibers and recovery of function than rats treated immediately after injury, a new study shows.
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