A dog philosopher questions what it really means to be a 'good boy' while playing fetch! A virtual assistant and a robot-cleaner elope! The undiscovered species and the theoretical particle face existential despair! Facebook commenters debunk Darwin's posting of On the Origin of Species! Science vs science fiction! Why are there poodles pouring out of this wormhole? Gauld's Department of Mind-Blowing Theories presents one hundred and fifty comic strips topical and funny enough to engage any layperson with a rudimentary recall of their old science classes as well as those who consider themselves boffins of the contemporary physical and natural world.