Human DNA is only about about 1% different than that of a chimpanzee. If we encounter intelligent life from elsewhere in the universe and they’re 1% smarter than we are, they will probably view us as chimps. In this 12-minute, “fascinatingly disturbing” thought experiment, Neil deGrasse Tyson, who stepped into Carl Sagan’s moon shoes tonight with the premiere of Cosmos, wonders if we’re just too dumb to figure out the biggest puzzles of the universe, whether those questions can only be answered by species brighter than we’ll ever be.