Features By Rebecca Morelle
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Attack of the mosquito! Bugs beat DEET
New research indicates that the main protection against the mosquito, DEET, may not be as effective as originally thought.
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Skyscraper height stunted by elevator technology
The U.S. may be littered with skyscrapers, but by the end of the year, nearly three-quarters of the world's 100 tallest buildings will be located in Asia and the Middle East.
