News

  1. Humans

    NIH tightens its ethics rules

    The National Institutes of Health issued new ethics rules to keep its employees from engaging in potentially questionable relationships with organizations that might have a financial interest in NIH activities or policies.

    By Janet Raloff
  2. Tech

    Outsmarting the Electronic Gatekeeper: Code breakers beat security scheme of car locks, gas pumps

    Because designers flouted a well-known rule for making cryptographic systems impenetrable, automakers and other businesses have embraced a wireless security technology that's vulnerable to attack.

    By Peter Weiss
  3. Animals

    Bad Breath: Insects zip air holes to cut oxygen risks

    The need to avoid overdosing on oxygen may drive certain insects to shut down their breathing holes periodically.