Balsa wood is classified as a hard wood!
41
4.5 pounds of sunlight strike the Earth each day.
27
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
A cubic yard of air weighs about 2 pounds at sea level.
31
The sun is 330,330 times larger than the earth.
75
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Billions of neutrinos pass unnoticed through your body every second.
6