The tiny components at the heart of microscopic motors are expensive if made using traditional machining techniques – gears that grow their own teeth offer a cheap alternative
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A worldwide network of radar stations could tackle the ever-growing problem of man-made debris that poses an increasing threat to spacecraft
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A test satellite planned for 2012 will sport a flight computer with electronics that can be completely reconfigured in space
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CAPE CANAVERAL, Florida, July 23, 2009 (Reuters) -- A Canadian billionaire who turned a passion for acrobatics and circus acts into a global entertainment empire will look for inspiration in space in September when he becomes the latest "space tourist." ... > read full story
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CHICAGO, July 20, 2009 (Reuters) -- Ordinary cells reprogrammed to act like embryonic stem cells can help repair damaged heart tissue in mice, researchers reported on Monday in a study that shows a potential practical use for the experimental cells. ... > read full story
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President Obama often talks about all of the forces lining up against his health care plan. But there's one critic who has remained relatively mum in the debate. David Scheiner, Obama's former doctor, has taken a hard look at the president's prescription for health care reform and sees bad medicine.
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Experts recommended that health care workers, pregnant women and children receive vaccinations first.
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