Neatorama and mental_floss have teamed up for another chance for you to win prizes! The latest How Did You Know contest starts today at mental_floss. Every day this week, you'll get a challenges at noon at mental_floss....

The first day of the new mental_floss/Neatorama How Did You Know trivia hunt is up at mental_floss! Once again, you have a chance to win prizes from the NeatoShop each of the next four days, and more prizes for the ultim...

Once again, Neatorama is teaming up with mental_floss to give away prizes from the NeatoShop and a mental_floss t-shirt in the How Did You Know? contest! There's a different competition (with a prize) each day for fi...