The future of a fog oasis

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The future of a fog oasis. Scientific American Guest Blog, August 19, 2011. In a fast-disappearing desert oasis, scientists are trying to bring a forest back to life – and discovering the imprint of a lost civilization amidst the vanishing trees.

The worms within

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The worms within. Scientific American Guest Blog, December 17, 2010. Some of the worms and germs we’ve been warding off may actually keep us well. One solution, some scientists say, is to welcome them back.