News

  1. Math

    Prime conjecture verified to new heights

    Computations show that all even integers up to 4 x 1014 can be written as the sum of two prime numbers, lending support to the Goldbach conjecture.

    By Ivars Peterson

  2. Babies posture to learn

    Infants make better action-oriented decisions when they adopt a familiar posture, such as sitting upright, instead of an unfamiliar one, such as crawling.

    By Bruce Bower

  3. Hypnotic hues in the brain

    Hypnosis uniquely colors the activity of brain areas involved in visual perception, supporting the view that hypnotized people enter a distinct psychological state rather than only play a role designed to please the hypnotist.

    By Bruce Bower

  4. Banning deer boosts migratory birds

    In a 9-year test, excluding deer raised the population numbers among bird species, such as hooded warblers, that have a high conservation priority.