Is cracking your knuckles bad for you? We find out from Dr. Robert Klapper, co-director of the Joint Replacement Program at Cedars Sinai.

What's the story with the popularity of the Hawaiian shirt? Mike get answers from Dale Hope, author of "The Aloha Shirt: Spirit Of The Islands."

And, why do we call it a pair of pants when it's only one pant? Returning guest, Jaye Padgett Professor of Linguistics at UC Santa Cruz, clears it up for us.

Got questions? Email Mike at [email protected]