Why Do We Scratch Our Heads When We're Thinking?

Plus, real-life golden tickets and a Great Green Wall.

5 Events in Hispanic History You Never Learned in School Hispanic Heritage Month kicked off on Sept. 15. We delve into 5 lesser-known turning points in Hispanic American history. Read more >> Can a Black Widow Spider Kill You? Sure, it's one of the world's deadliest spiders, but these arachnids are actually very shy. Read more >> Why Do We Scratch Our Heads When We're Thinking? Is it frustation? Dandruff? Something else? Read more >> Africa's Great Green Wall Is a Conservation and World Wonder 49 million acres and counting. Not bad for a project that's triple the size of the Great Barrier Reef. Read more >> Why Do We Say We're 'In a Pickle'? Do we have Shakespeare to thank for this? Read more >> Find a Gold Ticket. Win a Candy Factory. For Real. It's "Charlie and the Chocolate Factory" come to life! Read more >> Copyright © 2020 HowStuffWorks, All rights reserved. You are receiving this email because you opted in at our website howstuffworks.com Our mailing address is: HowStuffWorks 1501 Main St Suite 101 Venice, CA 90291 Want to change how you receive these promotional emails? You can update your preferences or unsubscribe from this list