Mankind's impact on earth
SCIENCE & TECHNOLOGY
If science trivia interests you, then there are good chances that you will like the contents of the link below. Key in your date of birth, height and weight and BBC Earth will present some riveting information on how the world has changed since you were born. The information presented is an eclectic mix of topics such as - How old will you be when fuel resources will run out, Loss in forest cover since you were born, Distance travelled around the sun and through the milky way etc.
So go ahead and have a look - perhaps the next time you are in a nerdy crowd, knowledge of this link can help you gain some brownie points :-)