Things Scientists Don't Know YetExamining the questions that we DON'T know the answers to! Have you ever wondered how life began or how the universe will end? Things Scientists Don't Know Yet explores science's biggest unsolved mysteries, taking readers on an exciting voyage through space, the animal kingdom, and even the human body. From whether aliens exist to why we get hiccups, this book sheds light on fascinating questions that are still unanswered. With stunning facts and fun