News

  1. Climate

    Fans may not keep older adults cool during heat waves

    Older adults are at higher risk of suffering health consequences during heat waves. Fans may not do enough to prevent that.

    By Carolyn Gramling
  2. Health & Medicine

    Are synthetic food dyes bad for you? Here’s what the science says.

    California is banning them in schools. The FDA says they’re fine. But synthetic dyes added to food to make them more colorful have a long, troubled history.

    By Sophie Hartley
  3. Animals

    A common kitchen tool could help koala conservation

    A simple device sucks koala DNA out of the air, making it easier for conservationists to detect the elusive marsupials.