Did humans evolve to punch each other in the face? Are we more violent than ever? This crab uses sea anemones as boxing gloves. Come learn about them.
Bibliography: https://docs.google.com/document/d/1pXgDZZrpqYz_CJm9M-hg7UZ1ibwVgbgu3s-FfmvTMsA/edit?usp=sharing