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
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
It takes 492 seconds for sunlight to reach the Earth!
44
When glass breaks, the cracks move faster than 3,000 miles per hour.
47
The most expensive license plate is the number '1', bought by an Abu Dhabi businessman - costing a staggering $14.3 million!
3
The WD in WD-40 stands for Water Displacer.
30
New York's Central Park is nearly twice the size of the entire country of Monaco.
42