I was perusing YouTube and ran across a channel called "That's A Good Question." They have a scientific answer to odd questions like "What would happen if you never saw the sun?", "Why do dogs tilt their heads?" or, as in the video above, "How do bikes stay up?"

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I burned about an hour and a half watching the different videos. They range anywhere from two minutes to ten minutes but for the useless knowledge geek that I am, they are all very interesting and surprisingly make sense.

I'm trying to think of a few questions that I would like answered like "Why is the sky blue?" or "Why does a sneeze make you feel like your insides will be blown out?"

Give their YouTube channel a visit, you know, to give that water cooler conversation a boost.