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BIG QUESTIONS
Why Do Humans Have Chins?
It’s a diagnostic feature for our species, but its origins have been a mystery.
What Does the IRS Do With All the Paperclips People Send Them?
The IRS becomes the proud owner of a huge batch of new paperclips each year. So, what do they do with the influx of office supplies?
Why Are Baseball Games Nine Innings Long?
A brief history of how we arrived at that number, and who should get credit for it.
How Tall Are These 11 Commonly Known Objects?
We all know a football field is 100 yards and an Olympic swimming pool is 50 meters, but exactly how big are the buildings we pass by every day or the sites we learn about in school? Here’s how everything measures up—in terms that are easy to understand (
Who Actually Invented The Wheel?
Can Animals Recognize Their Reflections In Mirrors?
If you've ever placed a mirror in front of your dog, you've probably wondered what she thinks she's seeing (besides a good dog!).