Skip to main content

Do larger animals take longer to pee? - David L. Hu

337,585 Views

4,043 Questions Answered

TEDEd Animation

Let’s Begin…

A cat’s bladder can only store a golf ball’s worth of urine. For humans, it’s a coffee mug and for elephants, a kitchen trash can. An elephant’s bladder is 400 times the size of a cat’s, but it doesn’t take an elephant 400 times longer to pee. So, how does this work? David L. Hu digs into what scientists call the “Other Golden Rule.”

About TED-Ed Animations

TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator David L. Hu
  • Director Anton Bogaty
  • Narrator Jack Cutmore-Scott
  • Sound Designer Weston Fonger
  • Special Thanks Marc Smith, Patricia Yang
  • Director of Production Gerta Xhelo
  • Editorial Director Alex Rosenthal
  • Producer Bethany Cutmore-Scott
  • Editorial Producer Cella Wright
  • Script Editor Emma Bryce
  • Fact-Checker Eden Girma

More from Awesome Nature