News

  1. Astronomy

    A night of shooting stars

    Thousands of people in North America who got up early on Nov. 18 were treated to a memorable sky show: White, yellow, blue, and green fireballs, some leaving behind smoke trails, streaked across the sky.

    By Ron Cowen
  2. Health & Medicine

    Sometimes lying down is harder work

    Squatting or standing might ease baby delivery by allowing the birth canal more room to expand.

    By Damaris Christensen
  3. Health & Medicine

    Ultrasound boosts drug delivery to tumors

    A beam of ultrasound can make the blood vessels that infiltrate cancerous growths leakier than normal.

    By Damaris Christensen
  4. Health & Medicine

    Weak appetite in elderly ties to hormone

    A hormone known to suppress appetite is more abundant in seniors than in young adults and has a greater effect in squelching hunger in elderly people.