Brightsurf Science News & Current Events

December 24, 2008
Eyes on the prize
Dollar signs for eyes -- cartoonists have been drawing them for years, and the artists, while whimsical, may have been onto something.

USC researchers derive first embryonic stem cells from rats
Researchers at the University of Southern California have, for the first time in history, derived authentic embryonic stem cells from rats.

Little progress made in patient safety in spite of Institute of Medicine call to action
Despite increased emphasis on patient safety, little progress has been made in making hospitals safer, says Johns Hopkins Critical Care Specialist Peter Pronovost, M.D., Ph.D., in an article in the Dec.

Rice psychologist identifies area of brain key to choosing words
New research by a Rice University psychologist clearly identifies the parts of the brain involved in the process of choosing appropriate words during speech.

Case Western Reserve finds mechanism underlying alt. splicing of premessenger RNA into messenger RNA
A research team led by Tim Nilsen, Ph.D., a professor of medicine and biochemistry at Case Western Reserve University, has discovered an unexpected mechanism governing alternative splicing.

Neural mechanisms of value bias in the human visual cortex
New research demonstrates that bias toward a potentially more valuable outcome can influence how visual information is processed in the human brain.

Brain starvation as we age appears to trigger Alzheimer's
A slow, chronic starvation of the brain as we age appears to be a major trigger of a biochemical process that causes some forms of Alzheimer's disease.

Sleep disorder may be early sign of dementia or Parkinson's disease
People with a sleep disorder that causes them to kick or cry out during their sleep may be at greater risk of developing dementia or Parkinson's disease, according to a study published in the Dec.

Impaired energy metabolism linked with initiation of plaques in Alzheimer's brain
Scientists have identified an initiating molecular mechanism in sporadic Alzheimer's disease (AD).

Influence of location-dependent protuberance damage on cell viability
New research concerning femtosecond laser-induced damages on olfactory ensheathing cells is reported.

Childhood anxiety disorders can and should be treated, according to UT Southwestern national expert
Anxiety disorders in children and adolescents should be recognized and treated to prevent educational underachievement and adult substance abuse, anxiety disorders and depression, says a nationally recognized child psychiatrist from UT Southwestern Medical Center.

Biologists learn structure, mechanism of powerful 'molecular motor' in virus
Researchers have discovered the atomic structure of a powerful

Our unconscious brain makes the best decisions possible
Researchers at the University of Rochester have shown that the human brain -- once thought to be a seriously flawed decision maker -- is actually hard-wired to allow us to make the best decisions possible with the information we are given.

Motor nerve targeting to limb muscles is controlled by ephrin proteins
A study from a team of researchers including Dr. Artur Kania, director of the Neural Circuit Development Research Unit at the IRCM, and Dr.

Joint Mathematics Meetings in Washington, D.C.
Over 5,500 mathematicians will attend the annual meetings of the American Mathematical Society and Mathematical Association of America at the Marriott Wardman Park and Omni Shoreham hotels in Washington, D.C., Jan.

Apolipoprotein(a): A natural regulator of inflammation
Dr. Hoover-Plow and co-workers in seeking to define a role of apo(a) in leukocyte recruitment, have identified a novel activity of apo(a) apolipoprotein that may function as a natural and cell specific suppressor of the inflammatory response in vivo.

Sleep disorders: A warning sign for neurodegenerative disease?
According to the latest study by Dr. Ronald Postuma from the Research Institute of the MUHC and Dr.

Recipe for capturing authentic embryonic stem cells may apply to any mammal, study suggests
Researchers have what they think may be a basic recipe for capturing and maintaining indefinitely the most fundamental of embryonic stem cells from essentially any mammal, including cows, pigs and even humans.

Newly found enzymes may play early role in cancer
Researchers at the University of Utah's Huntsman Cancer Institute have discovered two enzymes that, when combined, could be involved in the earliest stages of cancer.

Gay and bisexual African-American men have the lowest use of prostate testing
Gay and bisexual black men are less likely to be tested for prostate cancer than men of any other racial and ethnic backgrounds regardless of their sexual orientation. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to