Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
If the chemical sodium is dropped into water it will immediately and violently explode.
67