Tonight at the World Science Festival, starting at 8PM EST, Lawrence M. Krauss, John C. Mather, Amber Miller, Lyman Page, and David Spergel will be discussing the birth of the universe. Popular Science's own senior editor and beer supertaster Martha Harbison will be Twitter-moderating from the @PopSci account, and since the WSF is webcasting the talk for free, you can follow along with both her and the discussion at the same time. Might we also recommend this PopSci Buzzword Bingo game? Get five climate-change buzzwords in a row, and you win (but we all lose.). Watch it here.