Explore science’s biggest unsolved mysteries, from unanswered questions about the animal kingdom and the human body to the unknowns of space and time. Have you ever wondered how the universe will end or why we dream? From the possibility of life on other planets to understanding how scientists are bringing mammoths back to life, this science book for kids age 7-9 sheds light on fascinating questions that are still unanswered. With stunning facts and fun science, Things Science Doesn’t Know Yet is packed with the latest scientific developments and captivating topics like the multiverse and time travel. Young readers will not only marvel at what science is yet to solve, but also learn how the scientific process works – step by step – through experiments, collaboration, and persistence.