News

  1. Animals

    Guppies fall for a classic optical illusion. Doves, usually, do too

    Comparing animals’ susceptibility to optical illusions can show how perception evolved.

    By Sujata Gupta
  2. Health & Medicine

    Even for elite athletes, the body’s metabolism has its limits

    While ultramarathoners are capable of huge energy spurts, overall the athletes top out at 2.5 times the metabolic rate needed for basic body functions.

    By Laura Sanders
  3. Science & Society

    Our relationship with alcohol is fraught. Ancient customs might inspire a reset

    As evidence of alcohol's harms mounts, some people are testing out sobriety. Look to ancient civilizations' ways for a reset, scholars suggest.

    By Sujata Gupta
  4. Health & Medicine

    An estimated 54,600 young children are malnourished in Gaza

    A study that screened young children in Gaza for malnutrition found that nearly 16 percent suffered from wasting in August 2025.