When an animal makes a sound, does that sound have meaning? Mike talks to Dr. Joe Hanson, a biology expert and curator/host of It's Okay To Be Smart, and you’ll get a glimpse into the world of animals, sound, and semiotics.

-- SOURCES --
The semiome: From genetic to semiotic scaffolding
http://philpapers.org/rec/HOFTSF

-- Find Joe at --

http://youtube.com/itsokaytobesmart
twitter.com/jtotheizzoe
twitter.com/okaytobesmart