In New York, on June 23, 1998, at the annual meeting of the Association for the Scientific Study of Consciousness (ASSC), neuroscientist Christof Koch, then an assistant professor at the California Institute of Technology (Caltech), bet against the philosopher David Chalmers that, in 25 years, that is, currently, in 2023, we would have already revealed one of the great mysteries of science: how the brain makes consciousness possible.