Note sull'episodio
Here's the full version of us discussing the fun facts (I promise they are fun) we covered in 'Blue eyes are a lie'!
Capillaries:
https://training.seer.cancer.gov/anatomy/cardiovascular/blood/classification.html
Uvulas and their human uniqueness:
https://pubmed.ncbi.nlm.nih.gov/1408233/
Blue eyes and structural colour: