Plus, the reason the U.S. dollar is the world's currency and a U.S. currency portrait quiz.

Happy Thursday Do you know what all those symbols on the U.S. $1 bill mean? How about the reason why some U.S. bills have a star at the end of the serial number instead of a letter? And how well do you know the faces on U.S. currency? Read on to find these answers and learn more about money. What Do the Symbols on the U.S. $1 Bill Mean? By Sarah Gleim The design of the U.S. $1 bill is full of symbolism. We'll tell you what it all means. Read more >> You Can't Buy Anything for a Penny Anymore, Not Even a Penny Even items with the word 'penny' in their name, like penny candy, cost more than a cent. Read more >> Why Is the U.S. Dollar the World's Currency? Around the world, people convert their money into U.S. dollars for safety, making it the de facto global currency. But why? Read more >> Why Do Some U.S. Bills Have a Star at the End of the Serial Number?   Most U.S. currency contains a serial number that ends with a letter, but some end or begin with a star instead. What does the letter stand for? What is the significance of the star? Read more >> If Your U.S. Money Gets Shredded, You're Not SOL What happens when your cash gets damaged due to fire, flood or Fido deciding to eat it? Read more >> Why Did the U.S. Experience a Coin Shortage? Just when America seemed to be getting over the great toilet paper shortage, the next thing in short supply was coins. But why? Read more >> About Face: The U.S. Currency Portrait Quiz   Can you guess whose face is on which bill or coin without opening your wallet? Take the quiz >> Riddle of the Day! The more you take, the more you leave behind. What am I?   Check Your Answer Copyright © 2021 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

3 Big Mistakes We Make With Recycling

Plus, the serenity prayer and one seriously impressive paleobiologist. 

Happy Tuesday Think back to school math class. Is 2 a prime number or a composite number? Don't worry if you can't remember. Just head over to our new article about prime numbers to find out.     Maladaptive Daydreaming Can Take Over Your Life Daydreaming is normal. Even pleasant. Maladaptive daydreaming, however, can be with you all day, every day though. We talked to someone who lived with it. Read more >> What Is the Serenity Prayer, and Who Wrote It? The true author penned the original words of what became the serenity prayer in 1932. Then he promptly forgot them. Read more >> 4 Ways to Combat Cooking Fatigue Has your desire to cook burned off during lockdown? We can help. Read more >> The Most Famous Paleobiologist You May Not Know Meet the very first woman to lead a dinosaur excavation expedition, in the Gobi Desert no less. Read more >> What's That Smell? It's the Dreaded Bradford Pear If the Bradford pear tree were a celebrity, it would be looking for a new publicist. Read more >> 3 Big Mistakes We Make With Recycling One is called "wishful recycling," or when people really want an item to be recycled, so they drop it in the bin. It happens a lot. Read more >> Q: What do you think is the most widely believed myth?   Here's an example: It's a myth that goldfish only have a three-second memory. Now, you tell us one! Reply to this email with your first name and answer so we can feature you in a future newsletter! The Results Are In ...   Would ya look at that! This lovely group of HowStuffWorks readers is almost evenly made up of early birds and night owls. Thanks for participating, everyone! Copyright © 2021 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