Uncategorized

  1. Animals

    What’s That Knocking? Sound evidence offered for long-lost woodpecker

    Cornell's Laboratory of Ornithology has released recordings from the woods of eastern Arkansas that researchers say could be the distinctive drumming and calls of the ivory-billed woodpecker.

    By Susan Milius
  2. Chemistry

    Presto, Change-o: New solutions could clean up chemistry

    Scientists have developed a simple technique to switch an oil-like solvent into a waterlike one.

    By Aimee Cunningham
  3. Earth

    Seafloor features steered tsunamis

    Tsunamis circled the globe after a magnitude 9.3 earthquake struck the Indian Ocean last Dec. 26, but the waves didn't spread evenly.

    By Sid Perkins
  4. Health & Medicine

    Dark Side of a Blood Builder: Hormone linked to diabetic blindness

    Erythropoietin, a hormone that orchestrates growth processes, may contribute to eye damage in people with diabetic retinopathy.