SpaceThe problem of cosmic inflation and how to solve it One of the best-performing models in cosmology is also one with the least physical rationale behind it. Columnist Leah Crane says this leaves us with a puzzle that could make or break physics as we know it Comment
PhysicsIs consciousness more fundamental to reality than quantum physics? The idea that everything that exists can be built from the bottom up has long held sway among physicists. Now, a new kind of science is under construction that centres conscious experience – and might unravel the universe’s biggest mysteries Features