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Tag: "years" at biology news

The circadian clock: Understanding nature's timepiece

...ists since it was pinpointed in the brain about 30 years ago. Now, a researcher at the University of Calgar...s," Antle says. "We are probably still at least 10 years away from developing a pill that could reset your circadian clock to eliminate jet lag, but this new...

Tendency to hair loss inherited from the mother

...ctors responsible for the first time. For several years the researchers had searched nationwide for families in which several men were affected by hair loss. In blood samples taken from the volunteers they then looked for candidate genes ?and eventually discovered them: in their initial step they succeede...

Gene therapy cures inherited liver disease in rats

...ight after it is injected into the body. "Fifteen years ago, the goal was to get some correction of the problem," he said. "Most effects were transient. Now with these vectors, long-term correction with no long-term toxicity is possible. We need to find a way to avoid short term toxicity." ### Others wh...

Researchers find new giant amphibian fossils in Africa

...ngs show that climate change more than 250 million years ago had a dramatic effect on species survival and evolution," says Larsson. "Something to keep in mind when evaluating similar changes in today's world." ...

Brain May Be Less Plastic Than Hoped

...mmediately after injury. “And it is possible that, years after injury, the visual cortex could begin to reorganize,?he said. “Since there is similar organization across the neocortex of the brain, we could speculate that functional new connections mediating reorganization may also be difficult to form els...

Infants with Rare Genetic Disease Saved By Cord Blood Stem Cells

...anted for a lysosomal storage disease is now seven years old and has developed and progressed normally, acc... who received cord blood survived for two to seven years -- the longest period of time they have been followed. Survival among Hurler's children who receive ...

Low oxygen likely made Great Dying worse, greatly delayed recovery

... mass extinction in Earth history some 251 million years ago was preceded by elevated extinction rates befo...oming out at less than 12 percent about 10 million years into the Triassic period. "Oxygen dropped from its highest level to its lowest level ever in only 2...

Scientists reveal the shape of a protein that helps retroviruses break into cells

... mass extinction in Earth history some 251 million years ago was preceded by elevated extinction rates befo...oming out at less than 12 percent about 10 million years into the Triassic period. "Oxygen dropped from its highest level to its lowest level ever in only 2...

Scripps scientists find potential for catastrophic shifts in Pacific ecosystems

...nlinear signatures were developed by Sugihara over years of studying a variety of complex systems (ecosystems, atmospheric systems, neurobiological systems, cardiac rhythms, market systems) and their dynamics and have been proven in small-scale ecological applications, medical applications, meteorological ...

Stem cell research - new cell lines

...f DTU have received a grant for US$140,000 for two years from the Juvenile Diabetes Research Foundation (JDRF) in the United States to continue their work. The research comes as the Federal government's moratorium limiting the use of excess embryos ends. ...

wFleaBase: the Daphnia genome database

...nel role within freshwater ecosystems and over 200 years of biological investigations. By consequence, the Daphnia Genomics Consortium (DGC) has launched an interdisciplinary research program to create the resources needed to study genes that affect ecological and evolutionary success in natural environmen...

Gene keeps neural cells on correct developmental path

...ription factor. It was independently discovered 10 years ago by Mandel's group and a second team led by HHMI investigator David J. Anderson at Caltech. Mandel created the acronym to describe how REST quiets the nerve genes. The protein is also known by the name Anderson gave it, NRSF, for neuron-restrictiv...

Stealth Worms May Improve Insect Pest Control

...beans. "The beauty of this is that in the last 20 years nematodes have been formulated and commercialized," Stock says. "They are more expensive than a chemical product, but so far they have been demonstrated not to harm humans, livestock, beneficial insects or the environment. Nematodes usually have to b...

Currents could disrupt ocean food chain

...age. "During the last ice age, from about 100,000 years before present to 20,000 years B.P., thick ice sheets over Canada sporadically dropped armadas of icebergs into the North Atlantic ...

Retrovirus struck ancestors of chimpanzees and gorillas millions of years ago, but did not affect ancestral humans

...th a deadly retrovirus about three to four million years ago, but there is no evidence it infected ancestor...ent also took place between three and four million years ago, well after the separation of humans from apes. That split is estimated to have occurred five to...

Important discovery about second most fatal cancer

...ndustrialized world. It has become clear in recent years that colorectal cancer is not a single disease but...occur in young subjects and result in loss of many years of life. An appreciation of the problem can lead to cancer prevention by a combination of prevention...

Nature provides inspiration for important new adhesive

...g to and looking for additional licensees." A few years ago, the forest products industry in the U.S. and Canada was spending more than $2 billion a year on wood adhesives, and the wood composites industry is one of the largest manufacturing sectors in the United States. "Based on the successful commerci...

Molecular thermometers on skin cells detect heat and camphor

...ure, and understand both pleasure and pain. A few years ago, the Scripps Research and GNF team, which was ...nd there has been growing evidence in the last few years that these proteins are "molecular thermometers" that detect hot and cold temperatures through the s...

To Stop Evolution: New Way Of Fighting Antibiotic Resistance Demonstrated By Scripps Scientists

...ve when they need to. Stress and Mutations A few years ago, when he was first starting to think about thi...e expectancy in the United States soared from 47.3 years in 1900 to almost 80 years today, and antibiotics are partly to thank for this. But in the last few...

Hydrogen and methane provide raw energy for life at 'Lost City'

...d in Barberton, South Africa, which is 3.5 billion years old. Perhaps Lost City can provide additional biomarkers, the chemical remnants of organisms, with which to look for life in those ancient rocks or on other planets. The work being published was funded by the NSF, NASA Astrobiology Institute and a S...

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