PhysicsCan recreating black holes in the lab solve the puzzles of space-time? Researchers are building models of everything from black holes to the big bang in tanks of liquid. Now some claim these surprisingly simple models are showing us where our theories of space-time are wrong Features
LifeWhy the origins of life remain a mystery – and how we will crack it To explain how life on Earth began, the big challenge is to identify the molecules and processes that enable non-living chemical systems to become more complex Features