Substances don’t have to be a liquid or a gas to behave like a fluid.
http://fuckyeahfluiddynamics.tumblr.com/post/164024491802/substances-dont-have-to-be-a-liquid-or-a-gas-to [fuckyeahfluiddynamics.tumblr.com]
2017-09-01 04:06
Swarms of fire ants display viscoelastic properties, meaning they can act like both a liquid and a solid.
Weird science of the day.
source: SSC