Brightsurf Science News & Current Events

February 12, 2010
Muscle loss finding may one day save physiques
Mice that lack a particular antioxidant enzyme show impairment of cell energy centers called mitochondria.

Where did insects come from?
Since the dawn of the biological sciences, mankind has struggled to comprehend the relationships among the major groups of

Scientists synthesize unique family of anti-cancer compounds
Yale University scientists have streamlined the process for synthesizing a family of compounds with the potential to kill cancer and other diseased cells, and have found that they represent a unique category of anti-cancer agents.

LSHTM awarded $100,000 by Rockefeller Foundation for alumni tracing project
The project was created to identify current and emerging leaders in the health systems of low and middle income countries and to build an influential alumni network of global health practitioners.

Human use heel first gait because it is efficient for walking
Running heel first, like humans, doesn't make energetic sense, so why do we use a heel first running gait when most animals run on their toes?

AAAS and EurekAlert! engage North African science writers through journalism fellowships
EurekAlert!, the global science news service operated by AAAS, in cooperation with the National Association of Science Writers in the United States under its partnership with the Arab Science Journalists Association, is happy to announce the recipients of the 2010 AAAS Fellowships for Science Reporters from North Africa.

Epigenetic signals differ across alleles
Researchers from the Institute of Psychiatry, King's College London, have identified numerous novel regions of the genome where the chemical modifications involved in controlling gene expression are influenced by either genetic variation or the parental origin of that particular stretch of DNA.

Penn material scientists turn light into electrical current using a golden nanoscale system
Material scientists at Penn's Nano/Bio Interface Center have created a system, using nano-sized molecules of gold, that induces and projects electrical current across molecules, similar to that of photovoltaic solar cells.

Research highlights role of protein pair in obesity regulation
New research by University of Cincinnati scientists implicates a new protein in obesity development and highlights a protein pair's

IEEE-USA awards $8,000 to undergraduates, journalists
Coinciding with Engineers Week from 14-20 February, IEEE-USA is announcing $8,000 in scholarship awards and honoraria to be presented to five US undergraduate students and to two professional journalists who add to the public understanding of engineering.

Master gene SRC-3 enables breast cancer growth, invasion
The master gene SRC-3 not only enhances estrogen-dependent growth of cancer cells, it also sends a signal to the cell membrane to promote cell movement -- a key element of cancer metastasis, said Baylor College of Medicine researchers and collaborators.

Plant breeding helps revive western rangelands
For more than two decades, Agricultural Research Service scientists have been developing new grasses and forages that can hold their own on the rugged rangelands of the western United States.

Chocolate lovers could be lowering their risk of stroke: Study
Giving chocolates to your Valentine on Feb. 14 may help lower their risk of stroke based on a preliminary study from researchers at St.

Male college students also victims of violence at girlfriends' hands
Kansas State University expert on intimate partner violence Sandra Stith and a K-State research team are looking at the impact that being a victim of violence has on male versus female college students in heterosexual relationships.

Dartmouth researchers describe how the cholera bacteria becomes infectious
In a new study, Dartmouth researchers describe the structure of a protein called ToxT that controls the virulent nature of Vibrio cholerae, the bacteria that causes cholera.

The cost of being on your toes
Humans, other great apes and bears are among the few animals that step first on the heel when walking, and then roll onto the ball of the foot and toes.

Catching calcium waves could provide Alzheimer's insights
New insights on what causes Alzheimer's disease could arise from a recent discovery made by bioengineers from the University of California, San Diego.

New fiber nanogenerators could lead to electric clothing
In research that gives literal meaning to the term

Texas Children's discharges history-making patient
The wait is over for 16-year-old Francesco

New ORNL sensor exploits traditional weakness of nano devices
By taking advantage of a phenomenon that until now has been a virtual showstopper for electronics designers, a team led by Oak Ridge National Laboratory's Panos Datskos is developing a chemical and biological sensor with unprecedented sensitivity.

Hypnosis can relieve symptoms in children with respiratory diseases
Hypnosis has potential therapeutic value in children with respiratory disorders for alleviating symptoms such as habit cough or unexplained sensations of difficulty breathing and for lessening a child's discomfort during medical procedures.

Are high speed elephants running or walking?
Elephants can move fast, but can they ever be said to be truly

NASA administrator Charles Bolden, Outstanding Young Engineers to speak
NASA Administrator and former astronaut Charles Bolden will give the keynote address at the National Academy of Engineering National Meeting on Feb.

Plant buffers may limit spread of antibiotics in animal waste
Research by scientists at the University of Missouri Center for Agroforestry suggests that buffer strips of grasses and other plants can trap and break down veterinary antibiotics in manure fertilizers.

Buddy, can you spare a banana? Study finds that bonobos share like humans
New research suggests that the act of voluntarily sharing something with another may not be entirely exclusive to the human experience.

Quitting smoking especially difficult for select groups
With the national trend toward quitting smoking flat, psychologists are finding some success with treatments aimed at helping smokers from underserved groups, including racial and ethnic minorities and those with psychiatric disorders.

Low levels of natural antibodies behind stroke
The chances of suffering a stroke are linked to the presence of a certain type of antibody in the immune system, a new study from Karolinska Institutet shows.

Researchers envision high-tech applications for 'multiferroic' crystals
Two of the Florida State University's most accomplished scientists recently joined forces on a collaborative research project that has yielded groundbreaking results involving an unusual family of crystalline minerals.

UT researcher receives $2.4 million to research obesity, high-risk pregnancy
The link between obesity and high-risk pregnancies caused by preeclampsia and diabetes will be the focus of a $2.4 million National Institutes of Health research grant received by Sean Blackwell, M.D., associate professor in the department of obstetrics, gynecology, and reproductive sciences at the University of Texas Medical School at Houston.

Positioning with awiloc
With awiloc, the WLAN positioning technology, Fraunhofer researchers present new tools and an adaptable portfolio of services for building reference databases to be used throughout Europe.

Breakthrough for mobile television
Long Term Evolution, the new mobile telecommunications standard, will revolutionize mobile internet.
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