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Twitter:   / stephaniesamma  
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Credits:
Narrator/Writer: 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 (  / forgottentowel  )
Producer: Brian McManus (   / realengineering  )

Imagery courtesy of Getty Images
Additional Footage:
UF Health
IMP
University of Kentucky
Carnegie Embryology

Music:
Mutation by Max-h
Wait and See by Tilman Sillescu
Step into a New World by Tilman Sillescu
Stream by ANBR
Ground Control by ANBR
Further by Caleb Etheridge
Deer by ANBR

References:
[1] https://www.mexicolore.co.uk/aztecs/f...
[2] https://www.researchgate.net/publicat...
[3] https://ambystoma.uky.edu/genetic-sto...
[4] https://www.nature.com/articles/104435b0
[5] https://sitn.hms.harvard.edu/flash/20...
[6] https://qbi.uq.edu.au/brain-basics/br...
[7] https://pubmed.ncbi.nlm.nih.gov/23327...
[8] https://www.pnas.org/content/110/23/9...
[9] https://journals.plos.org/plosone/art...
[10] https://www.nature.com/articles/natur...
[11] https://www.researchgate.net/figure/T...
[12] https://en.wikipedia.org/wiki/Lake_Xo...
[13] https://www.nature.com/articles/d4158...
[14] https://www.pbs.org/wgbh/nova/article...