Today's episode is all about the incredible unicorn of the sea, and the mystery surrounding their famous tusk. This show covers a wide range of related topics, including Leonardo da Vinci's interest in trapping unicorns and the etymology of the word "narwhal." This episode covers all the bizarre explanations for how the narwhal's terrible tooth evolved, listen and tell us what you think! Bibliography: https://docs.google.com/document/d/1j5EV672tgsvGDxU21c43zTMtY-rQ8hfAastD5O2aF1w/edit?usp=sharing