If you’re struggling, consider therapy with BetterHelp #ad. Click
https://betterhelp.com/historyofearth for a 10% discount on your first month of therapy with a
credentialed professional specific to your needs.

9:48 Part 1 The Cambrian Explosion
29:40 Part 2 A Real Explosion?
44:51 Part 3 Animals From The Earth
1:07:27 Part 4 Tipping Points

Written & researched by Leila Battison. Check out her channel:
   / @somethingincredible  
Video & script edited by Pete Kelly. Check out his channel:
   / @petekellyhistory  
Narration by David Kelly. Check out his channel:
   / @voicesofthepast  

Thumbnail Art by Ettore Mazza

Image Credits:
Matteo De Stefano/MUSE
Avancna https://en.wikipedia.org/wiki/Trilobo...
Oleg Kuznetsov 3depix http://3depix.com/ 3D Epix Inc.
http://www.ediacaran.org/fractofusus....
F. S. Dunn, C. G. Kenchington, L. A. Parry, J. W. Clark, R. S. Kendall & P. R. Wilby https://www.nature.com/articles/s4155...
Spriggina ovata, South Australia. Image: Dr Alex Liu
Daderot Own work
https://en.wikipedia.org/wiki/Spriggi...
spriggina.html
https://en.wikipedia.org/wiki/Dickins...
Aleksey Nagovitsyn (Alnagov
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://en.wikipedia.org/wiki/Trilobi...
https://en.wikipedia.org/wiki/Trilobi...
https://en.wikipedia.org/wiki/Tardigrade
http://www.ediacaran.org/charniamaso...
Photo: Bob Thomas/Popperfoto via Getty Images/Getty Images