4.5 pounds of sunlight strike the Earth each day.
27
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
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
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The earth is approx. 6,588,000,000,000,000,000 tons.
175