An elephant can hold more than 40 gallons of urine in it's giant bladder. And you'd think it would take a long time to empty a bladder that big, but you'd be wrong! It actually takes an elephant no longer than almost any other mammal in the animal kingdom. Why? Anthony explains. Read More: The Law of Urination: mammals take 21 seconds to pee http://mobile.theverge.com/2013/10/19/4855076/the-law-of-urination-mammals-take-21-seconds-to-pee "Researchers at the Georgia Institute of Technology have discovered a new golden rule: every mammal takes about 21 seconds to urinate. Patricia Yang and her co-authors dubbed it the "Law of Orientation" in a paper published this week, and they say it applies across a wide range of animal sizes." Law of Urination: all mammals empty their bladders over the same duration http://arxiv.org/abs/1310.3737 "The urinary system evolved to eject fluids from the body quickly and efficiently." Universal law of urination found in mammals http://www.newscientist.com/article/dn24425-universal-law-of-urination-found-in-mammals.html#.UmV8gZSaqvU "You'll never look at Dumbo in the same way again. Elephants, cows, goats and dogs all take roughly 21 seconds to empty their bladders. A "law of urination" now explains the physics behind what happens when you just gotta go." Morphometry of the aging female rat urethra http://link.springer.com/article/10.1007%2FBF01895103 "Muscles in the limbs change with age, but the aging process of urethral muscles is unknown." Watch More: 5 Nifty Ways to Use Pee: http://www.youtube.com/watch?v=7GZXg6K70BU Test Tube Wild Card: http://testtube.com/dnews/dnews-467-tastedifferences?utm_source=YT&utm;_medium=DNews&utm;_campaign=DNWC Breaking the Seal: http://www.youtube.com/watch?v=Xt-MPX_oaMs ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube http://testtube.com/dnews Subscribe now! http://www.youtube.com/subscription_center?add_user=dnewschannel DNews on Twitter http://twitter.com/dnews Anthony Carboni on Twitter http://twitter.com/acarboni Laci Green on Twitter http://twitter.com/gogreen18 Trace Dominguez on Twitter http://twitter.com/trace501 DNews on Facebook http://facebook.com/dnews DNews on Google+ http://gplus.to/dnews Discovery News http://discoverynews.com

• published: 22 Oct 2013
• views: 45694