The Galactic Human Empire was built atop four sciences: logic, physics, psychology, and sociology. Standing on those pillars, humans spent 100,000 years spreading out into the galaxy: warring, exploring, partying -- the usual. Then there was the fifth science. And that killed the empire stone dead. The Fifth Science is a collection of 12 stories, beginning at the start of the Galactic Human Empire and following right through to its final days. We'll...