When feeding, a hummingbird can lick 10 to 15 times per second.

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LEGO has an underground vault with every set ever made.

Yawns are contagious

The feral puppies in Chernobyl are radioactive.

Drinking milk from tired/sleepy cows makes you sleepy

Dr. Martin Luther King is widely known as one of history’s greatest orators, but that particular skill might not have come so naturally to him. While attending Crozer Theological Seminary, King received a C in public speaking.

Only one sock goes missing, because you wouldn't notice if both of them did

If you adjust for inflation, Gone With the Wind is the highest-grossing movie of all time, earning approximately $1.8 billion.

We need water to live, yet drinking too much water can kill us, freezing water can hurt our teeth and lower our body temperature or suffocate us, and water can drown us.