The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
According to studies, men change their minds two to three times more often than women.
72
German chemists made a replica of a trophy the size of one molecule.
68
The average home creates more pollution than does the average car.
33
The smell of freshly cut grass is actually a plant distress call.
31
The only letter not appearing on the Periodic Table is the letter "J".
180
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9