An encyclopedic reference of strange-but-true stories compiled as a time capsule for future generations.

Duchenne Smiles (Entry 385.PR1513)

May 29, 201859 min
In which we examine how flight attendants smile, baby chimps play, botox treats mental illness, and Oscar the Grouch was a harsh wake-up call for Gen X kids. Certificate #42013.Learn more about advertising on the HowStuffWorks podcasts at to learn about your ad choices when listening to podcasts, visit