DNA may be the key to building smaller, faster circuits. So says a reporting in the journal Nature Nanotechnology. IBM research scientist Greg Wallraff explains how folded DNA fragments could be used in the circuitry of the future.
Science Friday highlights science news from the week, including: sea worms that drop bioluminescent bombs, how deepwater rice avoids drowning and what happens when bacteria and fruit fly immune cells meet.
Van Gogh, N.C. Wyeth and other artists recycled canvases by painting over previous works. Today museum scientists are using new x-ray technology to uncover the outline of hidden paintings, and using chemistry to fill in the colors.
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These days some shoppers are looking at more than the price of their groceries; they're also considering "food miles" — how far the grapes or pork chops traveled to get to the store. But some experts say eating food grown locally isn't necessarily the best way to go green at the grocery store.
Peak hurricane season typically lasts from August to October. Gerry Bell, lead seasonal hurricane forecaster for the National Oceanic and Atmospheric Administration, explains the climate patterns and ocean temperatures that lead to hurricanes, and offers advice on how to prepare for storms before they hit.