The earth is approx. 6,588,000,000,000,000,000 tons.
175
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Iron weighs more after it rusts.
68
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Most dust particles in your house are made from dead skin!
67
The storage capacity of human brain exceeds 4 Terrabytes.
140
A cubic yard of air weighs about 2 pounds at sea level.
31