Do larger animals take longer to pee? - David L. Hu
339,537 Views
4,068 Questions Answered
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
![](http://teded.tedcdn.com/assets/avatars/teded-logo-square-78f74aaa4fb2729b80a49587a87012916f67f5f849debaa4f6ef6f4e005e4f03.png)