Uncategorized

  1. Earth

    Seismic waves resolve continental debate

    New analyses of seismic waves that have traveled deep within Earth may answer a decades-old question about the thickness of the planet's continents.

    By Sid Perkins
  2. Health & Medicine

    Protein implicated in Parkinson’s disease

    Inhibiting the natural protein cyclo-oxygenase-2, or COX-2, might help fight Parkinson's disease.

    By Nathan Seppa
  3. Plants

    Any Hope for Old Chestnuts?

    Next year will mark the 100th anniversary of the discovery of chestnut blight in the United States, but enthusiasts still haven't given up hope of restoring American chestnut forests.

    By Susan Milius
  4. Computing

    Minding Your Business

    By means of novel sensors and mathematical models, scientists are teaching the basics of human social interactions to computers, which should ease the ever-expanding collaboration between people and machines.