A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
The "Cobra Effect" is where a solution for a problem actually makes the problem worse.
21
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
The average cough comes out of your mouth at 60 miles per hour.
126
It's impossible to sink in the Dead Sea without equipment!
72
Caffeine boosts memory.
405
An ounce of platinum can be stretched 10,000 feet.
40