Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Most dust particles in your house come from dead skin.
48
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
A ball of glass will bounce higher than a ball made of rubber.
73
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