Hot water can freeze faster than cold water.
181
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Sound travels about 4 times faster in water than in air.
408
Balsa wood is classified as a hard wood!
41
The only letter not appearing on the Periodic Table is the letter "J".
180