Iron weighs more after it rusts.
68
4.5 pounds of sunlight strike the Earth each day.
27
Pumice is the only rock that floats on water.
14
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
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
Research indicates that plants grow healthier when they are stroked.
173