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Researchers observe single protein dimers wavering between two symmetrically opposed structures

LA JOLLA, CA, June 19, 2009 -- Researchers at The Scripps Research Institute, the University of California, San Diego, and Ohio State University have used a very sensitive fluorescence technique to find that a bacterial protein thought to exist in one "natural" three-dimensional structure (shape), can actually twist itself into a second form, depending on the protein's chemical environment.

Ancient Drought and Rapid Cooling Drastically Altered Climate

Two abrupt and drastic climate events, 700 years apart and more than 45 centuries ago, are teasing scientists who are now trying to use ancient records to predict future world climate.

The events - one, a massive, long-lived drought believed to have dried large portions of Africa and Asia, and the other, a rapid cooling that accelerated the growth of tropical glaciers - left signals in ice core

Targeting tumor behavior may lead to new liver cancer drugs

COLUMBUS, Ohio -- Ohio State University cancer researchers have used computational and genomic methods to identify possible anti-cancer agents that may block a particular kind of tumor behavior. The agents target multiple genes associated with that behavior at one time.

Sediment Yields Climate Record for Past Half-Million Years

Researchers here have used sediment from the deep ocean bottom to reconstruct a record of ancient climate that dates back more than the last half-million years.

The record, trapped within the top 20 meters (65.6 feet) of a 400-meter (1,312-foot) sediment core drilled in 2005 in the North Atlantic Ocean by the Integrated Ocean Drilling Program, gives new information about the four glacial cycles

Natural Therapeutic Treatments for Arthritis

New natural treatments may help improve the quality of life for more than 21 million osteoarthritis (OA) sufferers, according to new research presented at the 2009 Institute of Food Technologists (IFT) Annual Meeting and Food Expo®.

Researchers Find New Way to Measure Cosmic Distances

Ohio State University researchers have found a way to measure distances to objects three times farther away in outer space than previously possible, by extending a common measurement technique.

They discovered that a rare type of giant star, often overlooked by astronomers, could make an excellent signpost for distances up to 300 million light years -- and beyond.

Scientists Use Bed Bugs' Own Chemistry Against Them

Scientists here have determined that combining bed bugs' own chemical signals with a common insect control agent makes that treatment more effective at killing the bugs.

The researchers found that stirring up the bed bugs by spraying their environment with synthetic versions of their alarm pheromones makes them more likely to walk through agents called desiccant dusts, which kill the bugs by mak

Partial bans on smoking don't save jobs in restaurants and bars

Washington, DC, May 18, 2009? Some cities and states around the country have completely banned smoking in public places. Others have instituted partial bans to avoid negative economic consequences, such as loss of employment in restaurants and bars due to reduced patronage by smokers.

New therapies mean HIV patients gain longer lives, face new challenges

ATS 2009, SAN DIEGO? New HIV therapies have prolonged lives and improved health for patients with HIV, but the treatments have also brought the longer-term effects of the disease into sharper focus.

Preschoolers' language development is partly tied to their classmates' language skills

Young children learn how to speak and understand language from the words parents speak at home and teachers speak in preschool. A new longitudinal study has found that their preschool classmates also play a part.

The study, by researchers at the University of Virginia and Ohio State University, is published in the May/June 2009 issue of the journal Child Development.

Obituary photos suggest growing bias against aging faces

COLUMBUS, Ohio - A new study that looked at obituary photographs published in one metropolitan newspaper suggests that Americans may have become more biased toward youthful appearance, particularly for women.

The study found that the number of obituary photographs showing the deceased at a much younger age than when he or she died more than doubled between 1967 and 1997.

New look at Facebook and grades

News last month of an unpublished study suggesting that Facebook use is related to lower college academic achievement probably sent more than a few parents reeling. Now a new study may allay those concerns.

New therapy based on magnetic stimulation shows promise for non-drug treatment for migraine

A new UCSF study examining the mechanism of a novel therapy that uses magnetic pulses to treat chronic migraine sufferers showed the treatment to be a promising alternative to medication.

The therapy is called transcranial magnetic stimulation, or TMS. Study findings were presented today (April 29, 2009) during the annual American Academy of Neurology scientific meeting in Seattle.

Athletes with asthma need more help from their team trainers

COLUMBUS, Ohio - Very few athletic trainers associated with National Collegiate Athletic Association (NCAA) programs said that they were following best practice standards for managing asthma among their athletes, according to a new study.

Emotional health affects exercise patterns in breast cancer patients

COLUMBUS, Ohio - The first study to monitor physical activity in breast cancer patients for five years suggests that patients with greater depressive symptoms and a lower emotional quality of life



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