Uncategorized

  1. Math

    Lava Lamp Randomness

    Sealed within a transparent, tapered, liquid-filled cylinder, illuminated colored globs slowly rise and fall. Meandering and deforming, their shapes and paths change unpredictably. Invented in 1963, a decorative fixture in many homes during the 1970s, and still in production, Lava Lite lamps are now the object of renewed curiosity. Indeed, researchers have come up with […]

    By Ivars Peterson
  2. Health & Medicine

    Tamoxifen dilates arteries in men

    The breast cancer drug tamoxifen can widen a narrowed coronary artery in men with heart problems.

    By Nathan Seppa
  3. Health & Medicine

    Long-term ecstasy use impairs memory

    Extended use of the illicit drug called MDMA or ecstasy exacerbated memory problems in users aged 17 to 31, none of whom reported alcohol dependence.