On Deck

Charmin and Ibrahim on Deck, Ageless :)

Question: Which group of facial muscles control smiling?

Answer: Zygomaticus

Did you know that British anthropologist, Robin Dunbar first introduced the Dunbar Number in 1990, which suggests that humans can only maintain up to 150 stable social relationships?  What is your lucky number? 

Source

Photo Credit: Charmin Roundtree-Baaqee