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  1. Losing Sleep: Mutant flies need less shut-eye

    The ability to get by on little sleep may have a strong genetic component, according to a new study in fruit flies.

    By Christen Brownlee
  2. Health & Medicine

    Neuron Savers: Gene therapy slows Alzheimer’s disease

    Putting extra copies of the gene for a cellular growth factor into the brains of people with Alzheimer's disease appears to slow the degenerative condition.

    By Nathan Seppa

  3. 19548

    I wonder if the enhanced learning that the researchers observed might have resulted not from the supplemental zinc per se, but from the zinc’s blocking absorption of fluoride in the juice. Most juice, especially grape and citrus, has enormous concentrations of fluoride from the pesticides used to produce it.