You guys spend the rest of the evening feeling smug about how your scientific knowledge trumps my common sense. Be sure that you don't forget that your just trying to make yourselves feel better. Perhaps you could get together and write an article on how our noses used to be appendages utilized to help us swing from tree to tree!
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Common sense, in terms of science, is usefully described as what we knew about 2 centuries ago.
Once it was common sense that heavy objects fall faster than light ones. Once it was common sense that if you drop an object from the top of a mast of a ship, it would fall behind the ship. Once it was common sense that an object needs a constant force on it to keep it moving at a constant speed. Once it was common sense that time was absolute, and moving quickly wouldnt affect the rate that time went. Once it was common sense that we could know both where something was and how fast it was going.
I will take scientific evidence over common sense any day of the week.
Me: Dinosaurs.
Creationist: La la la la la can't hear you!
Me: Neanderthals.
Creationist: La la la la la can't hear you!
Me: The X-Men mutants.
Creationist: Whoa, cool!