The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.
479
The Pittsburgh Steelers were originally called the Pirates.
50
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
Only humans shed emotional tears.
331
When glass breaks, the cracks move faster than 3,000 miles per hour.
47
Since 1982, a radio frequency emanating from Russia has been broadcasting a buzzer-like sound and, periodically, an unknown voice reads orders, names, and numbers. No one knows where exactly it is coming from or what it means.
13
The chills you sometimes feel when listening to music is called "musical frisson."
18