Americans, collectively, consume 16 thousand tons of aspirin every year.
The only sense that doesn't fully rest when we are sleeping is our hearing.
No two snowflakes are identical! Check this out: http://bit.ly/WneyESsP
This is part 3
Did you know that a hurricane can release the energy equivalent to dropping a 10-megaton bomb every 20 minutes?
Did you know that Saturn has the most powerful lightning bolts in the Solar System?