The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Billions of neutrinos pass unnoticed through your body every second.
6
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The only letter not appearing on the Periodic Table is the letter "J".
180
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The bark of an older redwood tree is fireproof.
65