A cubic yard of air weighs about 2 pounds at sea level.
31
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The smell of freshly cut grass is actually a plant distress call.
31
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Most dust particles in your house are made from dead skin!
67