Uncategorized

  1. Humans

    Official chooses Nevada for nuclear waste

    On Jan. 10, Energy Secretary Spencer Abraham notified Nevada's Governor Kenny Guinn by telephone that he intends to recommend that southwestern Nevada's Yucca Mountain site serve as the nation's long-term geological depository for high-level nuclear waste.

    By Sid Perkins
  2. Math

    Computers by the Trillions

    The notion of using molecules as the working elements of a computer goes back several decades. It wasn’t until 1994, however, that anyone actually stepped into a laboratory and succeeded in solving a computational problem in a test tube. That was when computer scientist Leonard M. Adleman of the University of Southern California, using techniques […]

    By Ivars Peterson
  3. Health & Medicine

    Nicotine metabolism shows ethnic bias

    A comparison of Latino, white, and Chinese-American smokers suggests that people of East Asian descent are apt to clear nicotine from their blood more gradually than the other smokers do, thereby staving off a craving for the next cigarette.