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Killer whales migrate thousands of kilometers across oceans, because it’s good for their skin?

Hosted by: Hank Green

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Sources:
https://www.sciencemag.org/news/2020/…
https://onlinelibrary.wiley.com/doi/f…
https://onlinelibrary.wiley.com/doi/1…
https://books.google.co.nz/books?hl=e…
https://www.sciencedirect.com/science…
https://royalsocietypublishing.org/do…

Image Sources:
https://www.istockphoto.com/photo/you…
https://www.videoblocks.com/video/hum…
https://onlinelibrary.wiley.com/doi/f…
https://www.istockphoto.com/photo/kil…