Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Jun 25, 2019
If you can find a phone book these days, science is here to help you rip it in half with your bare hands!
Hosted by: Olivia Gordon
SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: