Karate changes the brain - and not just through ill-judged kicks to the head.
British scientists are looking for signs that we live in a multiverse - with multiple alternative universes existing in their own individual bubbles.
Mathematicians are working on a vast directory aiming to specify every single possible shape in the universe in up to five dimensions.
Have you ever wished the Star Wars universe was real? Would you join the Rebellion? I know I would, even if it meant having to fight the Imperial army on freezing Hoth.