What colour is a banana? Is your red the same as mine? How would you describe the colour of the sky at twilight? In this episode, Sienna answers all these questions and more with the help of Dr. Bevil Conway, Shridhar, and Isabelle from the National Eye Institute at the National Institute of Health. Find out why seeing really is un-believing!
https://linktr.ee/notyetadr
Edited by: Alastair
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