What We Cannot KnowBrilliant and fascinating. No one is better at making the recondite accessible and exciting Bill Bryson Britains most famous mathematician takes us to the edge of knowledge to show us what we cannot know. Is the universe infinite? Do we know what happened before the Big Bang? Where is human consciousness located in the brain? And are there more undiscovered particles out there, beyond the Higgs boson? In the modern world, science is king: weekly