Uncategorized

  1. 19560

    Your article refers to the Earth’s magnetic field only at very long wavelengths. In over 70 years’ exposure to science, I have never heard of our magnetic field having wavelengths. Please elaborate. Kenneth E. StoneCherryvale, Kan. Looking at Earth’s magnetic field at long wavelengths is analogous to looking at a picture in low resolution, says […]

    By Science News
  2. Earth

    Icy Heat: Satellites look at heat flow through Antarctica’s crust

    Using satellite observations of Earth's magnetic field, scientists can estimate the amount of heat flowing upward through Earth's surface under kilometers-thick ice.

    By Sid Perkins
  3. Health & Medicine

    Back to Genetics: DNA variant may code for lumbar pain

    An inheritable gene variation may increase susceptibility to lumbar-disk disease.