The guys sit down with Clark Duke (Hot Tub Time Machine, Kick-Ass 2, The Croods) to talk about the secret Illuminati of luxury eyewear, New York's pneumatic tube mail network, the symbol formerly known as the octothorpe, and much more!

What could cause a 10 day traffic jam? Just what the hell is in Worcestershire sauce anyway? What kind of cards are best for slicing watermelons? Samm Levine (Freaks and Geeks, Kevin Pollak's Chat Show, Inglorious Basterds) joins the guys in the studio to find all these answers and more.

The secret origins of popsicles! What those twist ties on loaves of bread really mean! A 9 day traffic jam! The guys talk about all this and more when comedian Andy Kozel swings by the studio to help drop some knowledge.

Topping the list of 27 Louis Peitzmans That You Totally Have To Have On Your Podcast is Buzzfeed's Senior Editor Louis Peitzman who joins the boys in the studio to talk about what weird jobs celebrities held before they hit it big, what Nintendo did before selling video games, why sunsets are probably super boring if you're on the International Space Station, and more!

Things in the booth get hardcore this week as H2O frontman and One Life One Chance founder Toby Morse comes by to talk about how he got involved in the hardcore punk/straight edge movement, why Alcatraz might have been the best place to be imprisoned, skyscrapers that can melt sports cars and much more! 

"What do Batman's nipples, the erotic habits of bees, and serial killer hotels have in common? Scott Porter (Hart of Dixie, Friday Night Lights, The To-Do List) came by the studio to talk about all of them with the boys and so much more. You won't want to miss this very exciting episode of Today We Learned, but you will want to set your DVRs to tune in to the premiere of Hart of Dixie on the CW on Monday, October 7 at 8/7c."

Venture into the depths of space and beyond as comedian Matt Braunger (Ding Donger with Matt Braunger, Up All Night) joins Razzle and Dan in the studio to talk about the Voyager, dragons, invisible skyscrapers and more!

Not even a root canal could prevent Jon Schnepp (Metalocalypse, Venture Bros., Upright Citizens Brigade) from joining the boys in the studio to talk about all manner of factoids, ranging from the accidental discovery of aspartame to the secret origins of Star Trek's Transporter to his forthcoming documentary, The Death of "Superman Lives": What Happened?, and much more.

What scent have scientists discovered that drives women mad? What was dropped on a Japanese fishing boat from 30,000 feet? What were Walt Disney's cryptic last words? Find out all this and more on an all new episode of Today We Learned with special guest April Richardson (Chelsea Lately, Go Bayside Podcast, stand-up) and, as always, your beloved hosts.

What predator bites more people each year than sharks? What will the United Nations do in the event of an alien attack? What unlikely career did James Lipton have during the 1950s? All of these questions and more will be answered as comedian Greg Behrendt joins the boys in the studio for another exciting episode of Today We Learned!