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
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88