A cubic yard of air weighs about 2 pounds at sea level.
31
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The storage capacity of human brain exceeds 4 Terrabytes.
140
Iron weighs more after it rusts.
68
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88