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  1. Jungle Down There: What’s a kelp forest doing in the tropics?

    Kelp, algae that grow in cold water, turn out to be surprisingly widespread in tropical seas.

    By Susan Milius
  2. Health & Medicine

    Keep Out: Treated mosquito nets limit child deaths

    Mosquito nets treated with insecticides decrease death rates among children in Kenya's malarial zones.

    By Nathan Seppa

  3. 19886

    This article states that Kenyan researchers report insecticide-treated bed nets can reduce malaria-related deaths in children. While these nets appear to provide preventive measures against malaria, my only concern is the toxicity of the insecticides. The World Health Organization lists two of the insecticides used on the nets, bifenthrin and permethrin, as possible human carcinogens.