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Biology


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Ancient insect imprint found in Massachusetts

NORTH ATTLEBORO, Massachusetts, Dec. 2, 2008 (Reuters) — U.S. researchers say they have discovered what appears to be the oldest imprint of a prehistoric insect, made while the dragonfly-like creature was still alive. ...  > full story

First days after HIV infection may hold vaccine key

GENEVA, Dec. 1, 2008 (Reuters) — The body's initial response to contracting HIV could provide the answers scientists need to develop a vaccine for the AIDS-causing virus, a Nobel-winning expert said on Monday. ...  > full story

Sleep terrors may have genetic roots

NEW YORK, Dec. 1, 2008 (Reuters Health) — Sleep terrors may run in the family, new research in twins shows. ...  > full story

Research on mice links fast food to Alzheimer's

LONDON, Nov. 28, 2008 (Reuters) — Mice fed junk food for nine months showed signs of developing the abnormal brain tangles strongly associated with Alzheimer's disease, a Swedish researcher said on Friday. ...  > full story

Scientists find 4 genes that drive metabolism

LONDON, Nov. 28, 2008 (Reuters) — Four genetic variations appear to determine the speed at which people burn up food, researchers said on Thursday, a finding that could one day see doctors offer their patients more individual care. ...  > full story

Scientists track genetic changes in leukemia

WASHINGTON, Nov. 27, 2008 (Reuters) — Distinctive genetic changes occur in the cancer cells that trigger relapse in patients with the most common type of childhood cancer, according to a study that may offer new hope for beating the disease. ...  > full story

Blood tests may show inherited diseases in fetuses

HONG KONG, Nov. 25, 2008 (Reuters) — Doctors may soon be able to diagnose inherited diseases such as cystic fibrosis, thalassaemia and sickle cell anemia in fetuses by simply testing a blood sample taken from the mother. ...  > full story

Mammoth genome sequence may explain extinction

WASHINGTON, Nov. 19, 2008 (Reuters) — Researchers have sequenced the gene map of a long-extinct, mummified woolly mammoth, using DNA taken from its hair. ...  > full story

Bolivian farmer leads to dinosaur discovery

ICLA, Bolivia, Nov. 18, 2008 (Reuters) — Bolivian farmer Primo Rivera had long wondered about the dents in a rocky hill near his home. Paleontologists solved the mystery this month: they are fossilized dinosaur footprints -- the oldest in Bolivia. ...  > full story

Kangaroo genes close to humans

CANBERRA, Nov. 18, 2008 (Reuters) — Australia's kangaroos are genetically similar to humans and may have first evolved in China, Australian researchers said Tuesday. ...  > full story
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