Strange Facts

Here’s another edition of Strange Facts.

1. A shrimp’s heart is in its head.
2. Rats multiply so quickly that in 18 months, two rats could have over a million descendants.
3. Wearing headphones for just an hour will increase the bacteria in your ear by 700 times.
4. In every episode of Seinfeld, there is a Superman somewhere.
5. A duck’s quack doesn’t echo, and no one knows why.
6. It is physically impossible for pigs to look up into the sky.
7. A snail can sleep for three years.
8. President Kennedy was the fastest random speaker in the world with upwards of 350 words per minute.
9. The 57 on Heinz ketchup bottles represents the number of varieties of pickles the company once had.
10. It would take 11 Empire State Buildings, stacked one on top of the other, to measure the Gulf of Mexico at its deepest point.