Parasites are going extinct. Here's why we need to save them.

Parasitic Worms Found in a Woman's Eye—First Case of Its Kind

Science

SURPRISING SNIFFERS

Explore Nat Geo

  • Animals
  • Environment
  • History & Culture
  • Science
  • Travel
  • Photography
  • Space
  • Adventure
  • Video

About us

Subscribe

  • Magazines
  • Newsletter
  • Disney+

Follow us

Copyright © 1996-2015 National Geographic Society. Copyright © 2015-2016 National Geographic Partners, LLC. All rights reserved