+152 It's strange to think that the oxygen molecules you just inhaled may have been inhaled by your great-grandmother, by Plato, or by a hunter-gatherer who lived 30,000 years ago, amirite?

by Anonymous 11 years ago

Joke's on you. The earth isn't even 30,000 years old.

by Anonymous 11 years ago

No the jokes on you scojo 'cause the earth is around 4.5 billion years old.

by Anonymous 11 years ago

I know you are but what am I?

by Anonymous 11 years ago