Uncategorized

  1. Earth

    Composted sewage captures dirt’s lead

    Lead-contaminated soil in urban parks, gardens, and schoolyards could be made safer by adding composted organic waste.

    By Ben Harder

  2. Uncertainty fires up some neurons

    In monkeys, a small set of brain cells that transmit the chemical messenger dopamine to various neural destinations works as an uncertainty meter.

    By Bruce Bower

  3. After West Nile Virus

    As biologists try to estimate the impact of West Nile virus on wildlife, it's not the famously susceptible crows that are causing alarm but much rarer species.

    By Susan Milius
  4. Computing

    Pictures Only a Computer Could Love

    New, unconventional lenses shape scenes into pictures for computers, not people, so that computer-equipped microscopes, cameras, and other optical devices can see more with less.