Dogs likely originated in the Middle East, a new genetic analysis by an international team of scientists indicates. Previous genetic research suggested an East Asian origin for dogs.
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A study of the human genome has now identified genes linked to ulcerative colitis, offering clues as to what causes the condition and potential avenues for new therapies to treat the disease.
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Scientists have successfully used geometrically patterned surfaces to influence the development of stem cells. The new approach is a departure from that of many stem-cell biologists, who focus instead on uncovering the role of proteins in controlling the fate of stem cells.
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Babies born to mothers with obesity and exposed to passive smoking are more likely to have health problems than others. This conclusion is based on evidence of elevated levels of nucleated red blood cells in the umbilical cord.
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A new assessment of the Arctic’s biodiversity reports a 26 percent decline in species populations in the high Arctic.
Men and women with a history of alcohol abuse may not see long-term negative effects on their memory and thinking, but female smokers do, a new study suggests.
The most distant quasars found in the early universe, a mere 800 million years after the Big Bang, have been observed by astronomers.
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Early findings suggest a radiation therapy that involves numerous highly-focused and potent radiation beams provides targeted tumor control in nearly all patients, reduces treatment-related illness, and may ultimately improve survival for patients with inoperable non-small cell lung cancer, according to a new study.
The use of prescribed burns to manage Western forests may help the United States reduce its carbon footprint. A new study finds that such burns, often used by forest managers to reduce underbrush and protect bigger trees, release substantially less carbon dioxide emissions than wildfires of the same size.
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Scientists argue that anti-obesity drugs fail to provide lasting benefits for health and well-being because they tackle the biological consequences of obesity, and not the important psychological causes of over-consumption and weight gain.