4.5 pounds of sunlight strike the Earth each day.
27
Research indicates that plants grow healthier when they are stroked.
173
The bark of an older redwood tree is fireproof.
65
Pure water (H2O) does not conduct electricity on its own.
46
Iron weighs more after it rusts.
16
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
The sun is 330,330 times larger than the earth.
75
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155