Science continually evolves, moving away from once-accepted theories that now seem outdated. This video explores five significant theories that were replaced by more accurate explanations, ...

An experiment seven years in the making has uncovered new insights into the nature of consciousness and challenges two prominent, competing scientific theories: Integrated Information Theory (IIT) and ...

A lot of ink has been spilled on the question of what will ultimately win: the scientific method, an approach to learning about the world by coming up with theories and testing those theories against ...

An unprecedented brain study has delivered fresh clues about consciousness—suggesting it's more about perception than planning. Two leading theories went head-to-head, but neither emerged victorious.