Cats are liquid

As proven in this 2017 paper that was awarded an Ig-Nobel prize.

EDIT: Aw crap, sorry for the broken link. Quote from the source:

PHYSICS PRIZE [FRANCE, SINGAPORE, USA] — Marc-Antoine Fardin, for using fluid dynamics to probe the question “Can a Cat Be Both a Solid and a Liquid?”

REFERENCE: “On the Rheology of Cats,” Marc-Antoine Fardin, Rheology Bulletin, vol. 83, 2, July 2014, pp. 16-17 and 30. (https://improbable.com/ig/winners/?amp=1#ig2017)