News

  1. Health & Medicine

    Enough Isn’t Enough: An epidemic of vitamin D deficiency

    Many U.S. women of childbearing age, particularly those of African descent, lack sufficient vitamin D even though they consume the recommended amount.

    By Ben Harder
  2. Humans

    Dangerous Wake: Wing vortices yield a deadly secret

    A new mathematical analysis of an aeronautical hazard known as wake turbulence could someday lead to improved air safety and increase the number of flights at major airports.

    By Sid Perkins
  3. Health & Medicine

    Let Them Eat Cake: Altered mice stay svelte on a high-fat diet

    A protein that links gluttony and weight gain may be a novel target for antiobesity drugs.