Dust devils greet Mars lander; Carbon nanotubes measure spiciness; Autism linked to schizophrenia . By cutting down 50,000 acres (20,235 hectares) of mangrove trees in the 1990s, and probably more since, Myanmar may have left itself much more vulnerable to last week’s deadly Cyclone Nargis , according to Surin Pitsuwan , the secretary-general of the Association of Southeast Asian Nations. According to Myanmar’s minister for relief and resettlement, most of the deaths caused by Cyclone Nargis were due not to the 120 mile (190 kilometer) per hour winds, but to its storm surge—some of which the forests may have been able to absorb or at least moderate . Marine biologist Hannah Wood of the Plymouth Marine Laboratory in England and her colleagues subjected brittle stars to the more acidic ocean conditions that are predicted to result from increasing concentrations of atmospheric carbon dioxide; instead of dissolving, like other animals, the creatures grew longer limbs and were able to regenerate lost ones more quickly. A craft orbiting Mars has spotted a pair of swirling dust devils capped by towering plumes in the "Green Valley" near the planet’s north pole, where the Phoenix Mars Lander is scheduled to touch down on May 25. Chewing, saliva, temperature and the rate of food breakdown all affect the release of chemicals that give food its flavor, so researchers built a metal chamber with a rotating floor to hold food, a spiky plunger to compress it, and a system for pumping imitation saliva in and out. read more
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