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
ChemistrySoil bacteria enzyme generates electricity from hydrogen in the air An enzyme called Huc that the soil bacterium Mycobacterium smegmatis uses to produce energy from hydrogen has been analysed and now we know how it works News