Dark Power: Pigment seems to put radiation to good use

11:29am, May 23, 2007

Call them the Hulk bugs. Just as they do for the comic book hero, gamma rays seem to make certain microscopic fungi stronger. Researchers have found hints that melanin—the same pigment that's the natural ultraviolet filter in people's skin—might enable these fungi to harness the energy of gamma radiation as well as to shield themselves from it.

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