Home / Series / Be Smart / Aired Order / Season 2018 / Episode 21

The Only Animal That Weeps

Why do we cry? It’s weird. Humans leak water out of their faces when they get sad. Are we the only animals that do this? What does it mean? What is it for? Here’s the science of human tears!

English
  • Originally Aired July 17, 2018
  • Runtime 7 minutes
  • Network YouTube
  • Created July 17, 2018 by
    Administrator admin
  • Modified July 17, 2018 by
    Administrator admin