What is driving the mulitverse theory? Are the multiverse stories only a sticky-plaster solution to the Big Bang theory problem? Leading thinkers Sabine Hossenfelder, Roger Penrose and Michio Kaku debate.

This is the map of Africa. If you look to the South, you will see lush vegetation, with lots of greenery. However, when you go north, things are different. Covering multiple countries, it is the most gigantic desert globally, with miles and miles of dune...