Credits:
Writer/Narrator: Stephanie Sammann
Editor: Dylan Hennessy (https://www.behance.net/dylanhennessy1​)
Illustrator/Animator: Kirtan Patel (https://kpatart.com/illustrations​)
Animator: Mike Ridolfi (https://www.moboxgraphics.com/​)
Sound: Graham Haerther (https://haerther.net​)
Thumbnail: Simon Buckmaster (https://twitter.com/forgottentowel​)
Producer: Brian McManus (https://www.youtube.com/c/realenginee…​)

Imagery courtesy of Getty Images

[1] https://www.khanacademy.org/science/h…​
[2] https://jvi.asm.org/content/89/3/1537​
[3] https://www.nature.com/articles/nrmic…​
[4]
https://www.nationalgeographic.com/ma…​
[5] https://www.nationalgeographic.com/sc…​
[6] https://www.nature.com/articles/35001608​