Balsa wood is classified as a hard wood!
41
Out of all the senses, smell is most closely linked to memory.
146
One cubic foot of gold weighs more than 1,200 pounds!
78
The only letter not appearing on the Periodic Table is the letter "J".
180
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Pumice is the only rock that floats on water.
14