Most dust particles in your house come from dead skin.
48
One cubic foot of gold weighs more than 1,200 pounds!
78
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Out of all the senses, smell is most closely linked to memory.
146
Balsa wood is classified as a hard wood!
41
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
A ball of glass will bounce higher than a ball made of rubber.
73