Why Do Tennis Players Grunt?

Why do tennis players grunt?
Watch any pro tennis tournament, and you'll experience a cacophony of animal noises. Gunts, groans, and occasional screams. So, why do tennis players grunt?

How We Used to Elect Presidents

How we used to elect presidents
The original plan was a far cry from today's tsunami of direct mail, TV ads and kindergarten-level "debates." Here's how we used to elect presidents.

Ever wonder about...

Whose idea was it to drink cow milk?
Is there weather inside the world’s largest building?
Do hangovers get worse as you get older?
How many stars are in our universe?

Subscribe now and get your free Constitutional Fun Facts eBook!