U.S.-Science & Health
  • Bed bug. (Source: U.S. Department of Agriculture/flickr)

    An insecticide used in the U.S. is no longer effective on some bed bug infestations.

    LAST UPDATE : Jan 28, 2016, 3:29 PM EST
  • Source: James Jordan/flickr

    The mosquito-carried virus is linked to a surge in cases of children born with brain damage.

    LAST UPDATE : Jan 22, 2016, 3:51 PM EST