The average sperm cell swims at 8 inches per hour.
4
There's a new vaccine for alcoholism that gives drinkers an immediate and harsh hangover, even if they drink a small amount of booze.
14
Moths are unable to fly during an earthquake.
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Pluto is smaller than Russia.
9
Ma Yu Ching’s Bucket Chicken House in Kaifeng, China is considered the world’s oldest operating restaurant, first opening in 1153 AD during the Jing Dynasty.
12
The Aztecs were the first to serve chocolate as a drink. They also mixed it with hot chili pepper to make it really 'hot'.
13
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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