Sign up for a CuriosityStream subscription and also get a free Nebula subscription (the streaming platform built by creators) here: http://CuriosityStream.com/ext
Watch Extremities on Nebula: https://nebula.app/extremities
Our other channels:
Wendover Productions - http://youtube.com/wendoverproductions or https://nebula.app/wendover
Half as Interesting - http://youtube.com/halfasinteresting or https://nebula.app/hai
Follow us on twitter: http://twitter.com/wendoverpro
Writing by Christine Benedetti
Editing by Alexander Williard
Audio by Graham Haerther
Motion graphics by Josh Sherrington and Maddy
Thumbnail design by Simon Buckmaster
Project management by Gina Giorgi
Select footage courtesy the AP Archive and Getty Images