Top 10 Surprising Scientific Mysteries

(via Listverse) Science has come such a long way it’s laughable. Ancient humans used to mistake every correlation for causation, and that’s why they thought sneezes caused lighting and sacrificing children made corn grow. They even worshipped cats as gods instead of the indifferent little furballs they are. But for all the progress we’ve made, from a flat Earth to a globe (and back again? Really?), from lambs that grow on trees to genomics, we still have many unanswered questions. Some of those mysteries are so big, fundamental, and commonplace that it’s surprising we don’t know more. Here are ten of those surprising scientific mysteries.