Brightsurf Science News & Current Events

January 16, 2002
New grant helps UCSD support academic enrichment
The University of California, San Diego is the recipient of a comprehensive $1.4 million federal grant to improve academic achievement and increase the college-going rates of Pauma Elementary School and Valley Center High School students in northeast San Diego County.

Images reveal how body regulates salt uptake in cells
Using x-ray crystallography, a team of scientists has determined the three-dimensional structure of the chloride ion channel.

In harshest environments, some proteins protected by 'alternate' folding mode
Beset by peers trying to tear them apart, proteins known as proteases constantly risk destruction.

Cleveland researchers track premature babies for 20 years
The outlook for very-low-birthweight babies is quite positive, say researchers at Rainbow Babies & Children's Hospital of University Hospitals and Case Western Reserve University School of Medicine.

Scientists succeed in blocking transmission of cell-associated AIDS virus
Scientists at the Johns Hopkins Bloomberg School of Public Health and their colleagues have made a significant advance in understanding how to block the transmission of the AIDS virus from one sexual partner to another.

Researchers identify link between obesity and type 2 diabetes
Researchers at Beth Israel Deaconess Medical Center (BIDMC) have identified a mechanism that helps explain how the hormone leptin acts to metabolize fatty acids in muscle, establishing for the first time a novel molecular link between obesity and diabetes, and creating the possibility of a new target for the development of drugs to help manage both conditions.

Adhesive interactions in contact dermatitis
Pathological inflammation, such as occurs in allergic contact dermatitis and delayed-type hypersensitivity, requires migration into the inflamed region of lymphocytes and granulocytes, as well as dendritic cells (DCs) and other antigen-presenting cells (APCs).

Team studies use of Sandia technology to ensure 'farm-to-fork' safety of the nation's food supply
When farm-to-fork systems fail, billions of dollars can be lost and people can die.

The illusion of drivers
The speed at which you drive tends to skew your perception of the speed of traffic around you, according to American researchers.

Is intelligence fixed or enhanced by environmental stimulation and demands?
Neural plasticity rather than a general measure better defines the potentials and limitation of intelligence, according to an analysis of 124 studies of the underlying basis of intelligence.

The stongest game show strategy
Players competing on the game show The Weakest Link would be better off banking its winnings either after each question or after a run of six successive right answers.

Prominent pameoclimatologist to receive prestigious Cody Award from Scripps Institution of Oceanography
A scientist internationally recognized for her studies of climate change in Earth's history has been selected to receive the 2002 Robert L. and Bettie P.

Scientists use seals as 'underwater eyes'
By employing one underwater species to

Girls fare better than boys following heart surgery
A recent study published in Critical Care examined the role of molecules, known as cytokines, in the recovery of children following heart surgery.

LabNotes -- research highlights from Pacific Northwest National Laboratory
Quarterly research news highlights from Pacific Northwest National Laboratory in Richland, Washington.

Technique aims to protect, possibly improve internet video
Researchers at Purdue University are close to perfecting a technique that will make it practical to use

How to hunt an alien Earth
While space agencies spend a small fortune on space-based missions to seek planets like our own, American researchers are confident that they can do the job making use of an existing technology here on Earth.

Educational lag for premature infants persists into adulthood
By the time they reached adulthood, very-low-birth-weight (VLBW) infants born in the late 1970s lagged behind their normal birth weight counterparts in I.Q. scores and educational achievement, according to a study funded by the National Institute of Child Health and Human Development (NICHD).

Educational problems of very low birthweight babies persist into young adulthood
Learning disabilities and low academic performance among children born at very low birthweight can persist even into young adulthood, according to a study published today in The New England Journal of Medicine.

Early breast cancer shares some risk factors with advanced breast cancer, a study by Yale researchers shows
Many of the risk factors for more advanced breast cancer also apply to an early form of breast cancer known as breast carcinoma in-situ.

Researchers closer to defining function of two proteins involved in neurotransmitter release
Researchers at UT Southwestern Medical Center at Dallas are a step closer to defining the function of two proteins involved in neurotransmitter release, which initiates communication between neurons in the brain.

UMass researchers find environment on Earth that mimics Mars geochemically and supports ancient life form
A research team led by Derek Lovley, head of the microbiology department at the University of Massachusetts, and Francis H.

ENBREL is first therapy approved for psoriatic arthritis
U.S. Food and Drug Administration (FDA) has approved ENBREL (etanercept) to treat people with psoriatic arthritis.

Well quality: secret of the good oil
With petroleum resources in many areas of the world starting to dwindle, the quality of the oil well has become a salient factor in successful production.

Hammering cancer cell survivin
In a recent issue, Mesri et al. reported that the apoptosis inhibiting protein survivin can be inhibited in a wide variety of tumor cells using a dominant negative form of the protein.

Can you make it big in America... or are you likely to fail?
Despite the strong emphasis placed on income in the United States, little is known about the likelihood of an adult experiencing poverty or affluence in their lifetime.

Researchers find definitive proof that repetitive head injury accelerates the pace of Alzheimer's disease
Penn researchers have found definitive proof that repetitive head injury can, in fact, accelerate the pace of Alzheimer's disease.

Researchers identify potential treatment for learning disability in neurofibromatosis
Researchers studying learning disabilities associated with neurofibromatosis type 1, or NF1, have traced the problem to excessive activity of a crucial signaling molecule and have successfully reversed the disabilities in mice by giving them an experimental drug.

The Human Genome Project: Expanding the Conversation
The Human Genome Project has raised profound legal, ethical, medical and policy issues.

Blocking transmission of cell-associated HIV
Women are at risk of infection from HIV-positive male partners not only because they can become exposed to free viral particles, but also because infected cells, primarily macrophages and T cells, occur in the semen of infected men.

Black holes fact or fiction?
Are black holes fact or fantasy? Two American physicists believe that black holes are a bag of contradictions and say they have found an alternative fate for a collapsing star - an object they call a gravastar.
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