Watch Trailer
DISCLAIMER: Not all titles shown are currently available on all streaming providers.

Watch Kurzgesagt - In a Nutshell Season 11 Episode 9 Online

  • 8.6/10
  • COUNTRIES: Germany
  • Subtitles: English

Few of the monsters that evolution created have been so successful at hurting us as the variola virus, responsible for smallpox. The carnage it caused was so terrible and merciless that it compelled humankind, for the first time, to act truly globally. It was one of the greatest wins of our species over the ancient powers of nature, all made possible by… cows.