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.
More links & stuff in full description below ↓↓↓

Part One:    • The Shape of DNA - Numberphile  

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ADDITIONS/CORRECTIONS:
0:14: In addition to Sumners and Diao, Whittington was a key contributor.
2:26: "flouroquinolones" should read "fluoroquinolones