Science podcast: Volcanic ash’s health effects

In the latest science podcast, Rhitu Chatterjee explores potential health impacts of ash from the Icelandic volcano with the difficult-to-pronounce name. Also, news about the future of U.S. space exploration and the puzzling health problems cropping up among the survivors of the Haiti earthquake. >

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Suicide bombers and investment bankers

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We all tend think of ourselves as conscious, rational beings, but human behavior is largely driven by unconscious attitudes. Science journalist Shankar Vedantam shines a light in these dark corners of the mind in his new book, “The Hidden Brain.” Hear him talk about what suicide bombers and investment bankers have in common, and share your thoughts and questions with him online in The World Science Forum. Download MP3

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Electricity for rural Nicaragua

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Correspondent Eliza Barclay reports from Nicaragua how two American brothers tried a technological fix to alleviate poverty in that Central American country, and our Science Forum invites you discuss aid projects online with environmental engineer Anu Ramaswami of the University of Colorado in Denver. Download MP3

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