Because of his enthusiasm for Carbon-Dating.
I'm sure my neighbors ask the same question every time they catch me in their house...taking a shower.
He asked. I can't do Tuesdays. -Tommy Cooper
She doesn't, she's dead
Freud rice.
Kurt Fossil
Three. One to change it while the other two argue about how old the old one is.
Because diamonds are a woman's best friend.
Carbon dating
Carbon Dating.