Mystery Guest
This week's Mystery Guest, Matthew Ahn, used to hold a Guinness World Record, but as of 2017, that record has officially been nullified.
Arts
Dolly's Dollies
We took the Dolly Parton song "9-to-5" and rewrote it to be about careers that have been held by an official Barbie doll.
Bring Your "Ay" Game
If we said, "Get CLOSE TO THE GROUND to CHEER at a bullfight," you'd answer, "Low... ole," because the Pig Latin translation of the word "LOW" is "OW-LAY."
Cat Cora: Her Kitchen Rules
Celebrity Chef Cat Cora dishes on her TV show "My Kitchen Rules" and the strange ways she kept her edge on "Iron Chef America." Plus, she guesses odd dishes made up of rhyming foods like "steak cake."
D-lightful
All answers in this final round consist of two words, both words starting with D.
This Food Critic Will Take The Taco. Again. And Again. And Again.
Mike Sutter is eating at a different San Antonio taqueria every day of 2017 for his "365 Days of Tacos" project. And he's discovering a lot about the city's culture in the process.
What Happens When Hackers Hijack Our Smart Devices?
Computer scientist Avi Rubin says all our smart devices — cars, phones, even fitness trackers — can be hacked. He warns that our network of connected technology puts us at risk for cyberattacks.
Can We Improve Our Transportation Network Using...Biology?
Wanis Kabbaj wants traffic to flow smoothly and efficiently, like the blood in our veins. He says driverless cars may be the solution to today's highway gridlock.
How Do Trees Collaborate?
Ecologist Suzanne Simard shares how she discovered that trees use underground fungi networks to communicate and share resources, uprooting the idea that nature constantly competes for survival.
Is There A Limit To How Many Friends We Can Have?
Anthropologist Robin Dunbar believes the evolutionary structure of social networks limits us to 150 meaningful relationships at a time — even with the rise of social media.