How DNA Unties Its Own Knots - Numberphile

How "Pac-Man" unties knots in our DNA... This is Part Two of DNA Topology featuring Professor Mariel Vazquez from UC Davis.
Part One: https://youtu.be/AxxnziuL408

NUMBERPHILE
Website: http://www.numberphile.com/
Numberphile on Facebook: http://www.facebook.com/numberphile
Numberphile tweets: https://twitter.com/numberphile

Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile

Videos by Brady Haran
Editing and animation in this video by Pete McPartlan

Support us on Patreon: http://www.patreon.com/numberphile

Brady's videos subreddit: http://www.reddit.com/r/BradyHaran/

A run-down of Brady's channels: http://www.bradyharan.com

Sign up for (occasional) emails: http://eepurl.com/YdjL9