The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Research indicates that plants grow healthier when they are stroked.
173
A ball of glass will bounce higher than a ball made of rubber.
73
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Hot water can freeze faster than cold water.
181
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The sun is 330,330 times larger than the earth.
75