All the gold ever mined could be molded into a cube 60 feet high and 60 feet wide.
38
Blue eyes are the most sensitive to light, dark brown the least sensitive.
105
Real diamonds do not show up on x-ray.
36
The human eye blinks an average of 4,200,000 times a year.
233
If you dropped an aerodynamic object (such as a bullet) from the Empire State Building, you could kill someone.
132
More than 10% of the world's salt is used to de-ice American roads.
54
On average, 100 people choke to death on ballpoint pens every year.
72
Seaweed can grow up to 12 inches per day!
59