Brightsurf Science News & Current Events

January 11, 2001
First human circadian rhythm gene identified
HHMI researchers exploring the genetic basis of a rare syndrome that causes people to fall asleep and awaken earlier than normal have pinpointed the first human gene that controls circadian rhythm.

New protein thwarts HIV attachment
HHMI researchers have synthesized a protein that jams the

NASA Langley 2001 American Meteorological Society tip sheet
NASA Langley researchers will report on new atmospheric science research at the annual American Meteorological Society meeting in Albuquerque, N.M., from Jan.

Researchers design new way to squelch errant enzymes
Scientists at Johns Hopkins, New York University and Mount Sinai School of Medicine in New York have found a way to block the action of specific enzymes with a pivotal role in triggering cancers, hardening of the arteries and certain autoimmune diseases.

Spherical motor allows 3D movement for robots, other uses
Engineers at Johns Hopkins have invented a globe-shaped motor capable of rotating in any direction.

Biological warfare: an emerging threat in the 21st century
Why is biophysicist Steven Block so concerned about smallpox? After all, more than 20 years have passed since the WHO announced the eradication of this highly contagious and incurable disease.

Dentists encourage patients to quit smoking for life
National Non-Smoking Week comes at a time when many Canadians are struggling to uphold New Year's resolutions to quit smoking.

Researchers develop liquid form of DNA
For the first time, scientists at the University of North Carolina at Chapel Hill have successfully created a liquid form of DNA, the complex helical molecule that serves as the blueprint for development and growth of all living things.

Stalking a Parkinson's protein
In struggling to find the cause of Parkinson's disease, scientists have recently homed in on a mysterious protein called alpha-synuclein.

Surgery can reduce anxiety in women at high risk of breast cancer
For women at high genetic risk of breast cancer, mastectomy can reduce anxiety and worry and does not have a detrimental impact on women's body image or sexual activity, finds a study in this week's BMJ.

English children are less enthusiastic about school than French or Danish children
English children are less enthusiastic about school than French or Danish children according to research from the Graduate School of Education at the University of Bristol.

Health professionals are unsure about second MMR vaccination
Many health professionals have reservations about the second dose of the measles, mumps and rubella (MMR) vaccine.

Penn researchers protein's link to leukemia
Scientists studying gene regulation by a common protein compound have uncovered its link to a fatal form of leukemia, in a breakthrough that opens new lines of inquiry for researchers devoted to finding a cure for the disease.

First genetically modified monkey, reported in Science, may promise medical advances for humans
A baby monkey carrying an extra bit of DNA--described in the 12 January 2001 issue of the journal, Science--may suggest a way to speed new treatments for a host of disabling human conditions, from diabetes and breast cancer to Parkinson's and HIV.

Computer scientist solves old salesman problem
It was a combination of things that killed Arthur Miller's traveling salesman Willie Loman.

UI researchers publish study on heart damage and muscular dystrophy
Cardiomyopathy, damage to heart muscles, is one devastating consequence of muscular dystrophy.

Enzyme is crucial for production of plant growth hormone
HHMI researchers have identified an enzyme involved in the production of auxin, a plant growth hormone that influences plant growth.

Antibiotics for the next generation
Under the looming threat of antibiotic resistance, scientists are working to develop the next generation of bacteria- destroying drugs.

Popular herbal remedy fails effectiveness test for tinnitus
A popular herbal remedy, Ginkgo biloba is no better than a placebo in treating tinnitus (ringing in the ears) according to results of the largest trial of Ginkgo biloba for treatment of tinnitus in this week's BMJ.
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