Uncategorized

  1. Math

    Art of the Tetrahedron, Revisited

    A New Orleans sculptor and his tetrahedron-based artworks survived Hurricane Katrina.

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  2. Earth

    Natural Hazards

    The U.S. Geological Survey has launched a new Web site about the threat of natural disasters. It provides seven easy-to-understand fact sheets on earthquakes, floods, hurricanes, landslides, tsunamis, volcanoes, and wildfires. The site also highlights resources and information available from the USGS and provides links to individual hazards Web pages for more detailed information. Go […]

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  3. Humans

    From the January 9, 1937, issue

    A new AAAS president, preventing blood clots, and new elements in the sun.

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  4. Chemistry

    Switch Hitters: Antibacterial compounds target new mechanism to kill microbes

    Recently discovered ribonucleic acid segments, called riboswitches, may become prime targets for new antibacterial drugs.