News

  1. Tech

    Microbial Mug Shots: Telltale patterns finger bad bacteria

    A sophisticated pattern-recognition technique that borrows from automated face recognition may permit identification of harmful bacteria faster and more cheaply than conventional methods do.

    By Peter Weiss
  2. Earth

    Northern Refuge: White spruce survived last ice age in Alaska

    Genetic analyses of white spruce trees at sites across North America suggest that some stands of that species endured the harsh climate of Alaska throughout the last ice age.

    By Sid Perkins
  3. Earth

    What’s New in the Water? Survey tallies emerging disinfection by-products

    By analyzing drinking-water samples from U.S. treatment plants, a multi-institute research team has identified some unexpected by-products of disinfection processes.