David Chalmers and Christoph Koch challenge each other to bet on a neural basis for consciousness in 25 years from now. If they get there by 2048, the pair will be 92 and 82 respectively. David: "I suspect I think it's still a pretty tough challenge"
Twenty-five years ago in a German bar, neuroscientist Christof Koch bet philosopher David Chalmers that we’d understand the neural basis for consciousness by 2023. Last month, the winner of the bet received a case of wine. Ian Sample talks to Christof and David about why they made the bet, who won, and where we are now in our understanding of this most fundamental aspect of existence.. Help support our independent journalism at
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