Superfluid Dark Matter

A new paper proposes that dark matter may be a quantum fluid that has condensed in puddles to seed galaxies.
If Superfluid was a superhero, it would creep through the tiniest door slits and flow up the walls to then freeze the evil villain to death. Few things are cooler than superfluids, an utterly fascinating state that some materials, such as Helium, reach at temperatures close to absolute