If you happen to be a frequenter of urinals, odds are you’ve seen one that has a little block at the bottom of it. But what does it do and why are you peeing on it?!
Hosted by: Michael Aranda
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
Dooblydoo thanks go to the following Patreon supporters — we couldn’t make SciShow without them! Shout out to Justin Ove, Accalia Elementia, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Fatima Iqbal, Linnea Boyev, Tomasz Jonarski, Chris Peters, Philippe von Bergen, Will and Sonja Marple, and Mark Terrio-Cameron.
Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow
Looking for SciShow elsewhere on the internet?