Is there a physiological reason why we say “tick tock” rather than “tock tick?” Why does the “i” get first position in all of our i/o word combinations (as in “ping pong”)? Writer and narrator Robert Krulwich explores the phenomenon in this “CBS Sunday Morning” video essay, featuring animation by Nate Milton and music by Buck St. Thomas.
4/13: The Takeout with Major Garrett
April 14, 2026