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Climate change is "unequivocal" and it is 90 percent certain that the "net effect of human activities since 1750 has been one of warming," the Intergovernmental Panel on Climate Change (IPCC) --a panel of more than 2,500 scientists and other exp
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Stargazers have yet to lay eyes on any of the nearly 240 planets detected outside our solar system. These so-called exoplanets are too faint for current telescopes to distinguish from the stars they orbit*; instead astronomers rely on indirect metho
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Researchers report they have generated the first confirmed embryonic stem cells from an adult primate, suggesting that it may be only a matter of time (and eggs) before they perfect the same technique on humans.
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A given in the world of information technology is that the amount of data is only going to grow over time. But how can academics and computer scientists make sense of the mountains of information--whether astronomic calculations from a distant satel
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When people talk about a moment being burned into memory, they usually mean it in a negative way: President John F. Kennedy’s assassination, Princess Diana’s fatal car crash, 9/11. The launch of Sputnik 50 years ago this month was different. It cert
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Greenpeace this week ripped into Apple for failing to make "early progress" with the iPhone toward the company's stated goals for ecofriendliness. The report touched off a debate over whether the hugely popular mobile device is safe for its users
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Global negotiations on stabilizing greenhouse gas emissions in the period after 2012 will commence in Bali in December. The main emitters--including Brazil, Canada, China, the European Union, India, Mexico, South Africa and the U.S.--have recently a
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Researchers are stepping up efforts to develop a safe blood substitute amid a growing demand and dwindling supply of the real thing to treat trauma victims and blood disorders such as potentially deadly types of anemia.
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According to the robotics community, it's unlikely that any robot now on the market could hold your attention for more than 10 hours. (Actually, if you have a robot dog gathering dust on a closet shelf , you probably already know that.)
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Global negotiations on stabilizing greenhouse gas emissions in the period after 2012 will commence in Bali in December 2007. The main emitting nations--including Brazil, Canada, China, the European Union, India, Mexico, South Africa and the U.S.--ha
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Astronomers have detected the first planet orbiting a star that has passed through the red giant phase, the massive bloating that befalls sun-like stars when their nuclear fuel begins to run out.
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As sophisticated as machines are today, they still cannot navigate an automobile through crowded city streets as well as experienced human drivers. But the Defense Advanced Research Projects Agency (DARPA) is working to change that with an eye towar
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