Uncategorized

  1. Math

    Math on Stamps

    Jeff Miller, a mathematics teacher in Florida, has assembled an amazing collection of images featuring mathematicians and mathematical ideas or events on postage stamps. Check out your favorites, from Niels Henrik Abel to Stanislaw Zaremba. Go to: http://jeff560.tripod.com/.

    By Science News
  2. 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

  3. 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

  4. 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.