Does science have all the answers? This series examines some of the biggest riddles facing scientists today. We've solved some of the most complex questions about our world and the universe. But the more we discover, the more problems emerge. Exactly how old is our universe? Why are the two sides of our moon so different? How did iron from space end up next to the body of Tutankhamun? Each film in this series tackles a single question, visiting the cutting-edge labs running mind-bending experiments and meeting the dedicated scientists searching for answers. Featuring stunning CGI, the series brings lost worlds, ancient civilisations and the far expanses of the universe to the screens in spectacular detail.