"The field of science is capable of some amazing things, mostly because it's filled with all the Albert Einsteins and Doogie Howsers the world has produced over the centuries. But it may shock you that some of the most mundane, everyday concepts are as big a mystery to scientists as they are to the average toddler.

Things like ..." Read more: 8 Simple Questions You Won't Believe Science Can't Answer | Cracked.com http://www.cracked.com/article_19442_8-simple-questions-you-wont-believe-science-cant-answer.html#ixzz1YYeJF8Ri

-- I was familiar with most of what this article had to say, it's definitely worth a read. Interesting that these are still mysteries.

READ HERE