Science popularization has its legends and heroes, just like any other field, though I’ve heard no plans as yet to open a Hall of Fame. Should that day come, one of the first inductees would ...

(via TEDEd) How do you know you’re a person who has lived your life, rather than a just-formed brain full of artificial memories, momentarily hallucinating a reality that doesn’t actually exist? That ...

Cosmology has a way of turning everyday certainty inside out, and few ideas do it more brutally than the suggestion that your ...