Scientists Come Up With 'Law of Urination'
Elephants pee as quickly as rats, study finds
By Neal Colgrass, Newser Staff
Posted Oct 18, 2013 4:04 PM CDT

(Newser) – Ever imagined a peeing contest between animals of various shapes and sizes? Probably not, but scientists studying the matter say that mammals big and small empty their bladders at about the same speed, New Scientist reports. More specifically, experts at the Georgia Institute of Technology in Atlanta have clocked the pee-time of rats, dogs, elephants, goats, and cows, and come up with a "law of urination"—that each animal takes about 21 seconds to go to the bathroom.

The big news: Elephants empty their bladders at the same speed as smaller mammals, because gravity pulls urine quickly through their large urethras. Smaller animals, on the other hand, have shorter urethras that get less gravitational pull, but smaller bladders to empty out. Still, the urinary law has its limits: Really small creatures like bats and rats can pee in less than a second. The study's lead author hopes the finding will help diagnose urinary problems in large animals and possibly inspire designs for water towers, which also rely on gravity.

More From Newser
My Take on This Story
To report an error on this story,
notify our editors.
Animals Pee at the Same Speed is...
Show results without voting
You Might Like
Showing 3 of 75 comments
Oct 23, 2013 10:16 PM CDT
My first thought was "who gives a whiz?" then I thought they should time ME. I think it takes me at least ten minutes to empty mine....
Oct 21, 2013 2:20 PM CDT
It saddens me that "scientists" spent time and grant money to study this.
Rick Boxer
Oct 21, 2013 11:43 AM CDT
While perhaps not the MOST important news online today, I certainly smiled at this one, unlike a lot of other stories which depressed the heck outta me! Thanks, newser.