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3,585 results

3,585 results for: assessments

  1. Puppy tests flunk long-term checkups

    A follow-up study of dog-personality tests suggests that they don't have the predictive power many puppy purchasers expect.

    By Susan Milius

  2. Yikes! The Lichens Went Flying

    Tales from the dark (and frequently crunchy) side of biodiversity.

    By Susan Milius
  3. Health & Medicine

    Do zinc lozenges shorten common colds?

    People taking zinc to fight a cold report less coughing, less nasal discharge, and a shorter cold than do people getting a placebo.

    By Nathan Seppa
  4. Earth

    New Concerns about Phthalates

    Boys may face an eventual reproductive risk from exposure to some of the ingredients that go into many common plastics, cosmetics, and medical supplies.

    By Janet Raloff
  5. Earth

    High-Flying Science, with Strings Attached

    In the hands of scientists, kites do serious data gathering.

    By Sid Perkins

  6. Risky Business

    The science of decision making grapples with sex, race, and power.

    By Ruth Bennett

  7. Snap, Crackle, and Feel Good?

    Magnetic fields that map the brain may also treat its disorders.

    By John Travis
  8. Physics

    Breaking the Law

    Can quantum mechanics + thermodynamics = perpetual motion?

    By Peter Weiss
  9. Humans

    Of Rats, Mice, and Birds

    Fireworks erupt over an extension of rules to protect lab animals.

    By Janet Raloff