Unrelated to all that, 05/21 edition

But I thought the second mouse got the cheese?  The loudest mouse pup gets the most attention, thanks to FOXP2.

Why are unproductive firms still around? Worth it mostly for how hard it is to get people to boil water; the diffusion of cultural innovation is harder than you’d think.

Under da sea sign language.  These fish communicating to coordinate their hunting sounds like we live in a horror movie.

Unrelated, but important!  How to be gracious.