Uncategorized

  1. Tech

    Light sensor may improve battlefield tools

    A new microscale ultraviolet-light sensor could help shrink the size of some military field systems used for detecting biowarfare agents and clandestine communications to the dimensions of a cell phone.

    By Peter Weiss
  2. Earth

    Save the frogs

    Researchers have drafted a proposed $400 million research-and-rescue plan for the world's amphibians, at least half of which are in decline or even facing serious risk of extinction.

    By Janet Raloff
  3. Humans

    Anti-TB spending abroad could save money overall

    Investing $44 million in tuberculosis-control programs in Mexico, Haiti, and the Dominican Republic might save the United States nearly triple that amount over the next 20 years.