Rules:
No cheating (i.e. googling the EXACT question)
Question must be possible to answer (I.E. How many is mm is the earth from the sun? two things here, one I'm sure the answer is somewhere, but lets be realistic, two the earth to sun distance is a variance
and last but not least, whomever answered the previous question, gets to ask the next question. All ppl who butt in and don't follow these rules will have there post deleted.
So as topic creator, I get first question:
Why are wine bottles colored?