Skin is thickest, 1/5 inch, on the upper back. It is thinnest on the eyelids, which is only 1/50th inch thick
Your skin weighs about 3.2kg (of course some weigh more)
Your skin sheds 50,000 cells every minute. [Discover mag 2/07]
Skin tone is made up of only 4 hues: All skin start off white. Blood vessels add a blush of red. A yellow pigment also tints the canvas. Lastly, sepia-toned melanin appears black in large amounts. The mix of these 4 hues create all skin colours
Every year, the moon moves 3.82 cm away from the Earth
The moon actually has mirrors on it. They were left there by astronauts who wanted to bounce laser beams off them, so that the distance to the moon can be measured