Uncategorized

  1. Earth

    Before ancient Egyptians, nature sculpted sphinxes. Here’s how

    Steady winds can carve landforms called yardangs — thought to have inspired the Great Sphinx of Gaza — from featureless blobs, a new study suggests.

    By Elise Cutts
  2. Animals

    This bird hasn’t been seen in 38 years. Its song may help track it down

    Using bioacoustics, South American scientists are eavesdropping on a forest in hopes of hearing the song of the long-missing purple-winged ground dove.

    By Meghie Rodrigues
  3. Climate

    Capturing methane from the air would slow global warming. Can it be done?

    Removing methane from the atmosphere requires different technology from removing carbon dioxide. Scientists are taking on the challenge.