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South Korean scientist Hwang Woo-Suk at his laboratory in Seoul National University.-LEE JAE-WON/REUTERS

The stem of hope

The regenerative capabilities of stem cells are a big draw for researchers trying to use them to cure diseases. But there are many hurdles to be cross
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The Scott-Amundsen South Pole Research Station, a geodesic dome.-

Astrophysics in polar ice

An account of a battle against the elements in the South Pole to set up a telescope that looks for neutrinos coming from distant objects in the northe
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