News

  1. Health & Medicine

    Silencing a gene slows breast-tumor fighter

    The protein encoded by the HOXA5 gene plays a key role in fighting breast cancer, helping to switch on cancer-suppressing genes.

    By Nathan Seppa
  2. Earth

    Excreted Drugs: Something Looks Fishy

    Drugs that the body can't fully use enter waste water, where they may affect aquatic life—or wind up in tap water.

    By Janet Raloff
  3. Tech

    Satellite links may don quantum cloaks

    A theoretically foolproof scheme to shield secrets via the laws of quantum mechanics demonstrates its readiness to take on Earth-satellite communications.

    By Peter Weiss
  4. Health & Medicine

    Common antibiotic may cure river blindness

    Tests in cows suggest that tetracycline might kill the tiny worm that spreads river blindness, a disease that infects about 18 million people.