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We are social animals. So you might assume our brains are built to excel when we cooperate with each other, as opposed to when we function in isolation

CT scan of baby woolly mammoth named Lyuba LAS VEGAS Computed tomography (CT) scans of two extraordinarily well-preserved baby woolly mammoths from Siberia have yielded startling new insights into these iconic Ice Age beasts. Previously examinations of the external features of the mammoths suggested that the two creatures were quite similar, exhibiting the same developmental stage and similar age at death. But the new full-body scans the first ever obtained for largely intact mammoths tell a different story.

Climbers struggling the last few steps to the peak of Makalu in the Himalayas have long marveled at the sight of bar-headed geese flying high above to their winter refuge in India. The birds cruise at an altitude of 29,500 feet, nearly as high as commercial aircraft

The early bird gets the worm--and may avoid skin cancer. Because a new mouse study suggests that, for humans, tanning in the mornings may be less likely to permanently damage DNA and cause skin cancer.

The early bird gets the worm--and may avoid skin cancer. Because a new mouse study suggests that, for humans, tanning in the mornings may be less likely to permanently damage DNA and cause skin cancer

It’s that time of year in the U.S.

HOHHOT, China -- It was late spring, and armed police were barring Inner Mongolia University students from leaving campus to protest the death of a herder run over by a coal truck. Students amassed in towns across the province to condemn coal companies they accused of riding roughshod over livestock grazing land

HOHHOT, China -- It was late spring, and armed police were barring Inner Mongolia University students from leaving campus to protest the death of a herder run over by a coal truck. Students amassed in towns across the province to condemn coal companies they accused of riding roughshod over livestock grazing land.

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By Henning Gloystein LONDON (Reuters) - The Fukushima disaster could lead to a 15 percent fall in world nuclear power generation by 2035, while power demand at the same time could rise by 3.1 percent a year, according to a draft copy of the International Energy Agency's 2011 World Energy Outlook. [More]

By Henning Gloystein LONDON (Reuters) - The Fukushima disaster could lead to a 15 percent fall in world nuclear power generation by 2035, while power demand at the same time could rise by 3.1 percent a year, according to a draft copy of the International Energy Agency's 2011 World Energy Outlook. [More]

Mars may be a small planet, but it has had an outsize appeal to storytellers and filmmakers over the years.

WASHINGTON -- Our culture of sitting may be responsible for 173,000 cases of cancer each year, according to new estimates. Physical inactivity is linked to as many as 49,000 cases of breast cancer and 43,000 cases of colon cancer a year in the United States, said Christine Friedenreich, an epidemiologist at Alberta Health Services-Cancer Care in Canada. [More]

Plants have been using a green pigment for billions of years to capture sunlight, turning it into a flow of electrons and storing its energy in the chemical bonds of big organic molecules (also known as food). Given that successful history, chemist Michael Graetzel of the Swiss Federal Institute of Technology in Lausanne and his colleagues turned to a compound similar in shape and color to chlorophyll when they set out to build a better solar cell.