Forget 'Halo' — the latest 'Futurama' episode has a ring world covered in super-intelligent rats

Forget 'Halo' — the latest 'Futurama' episode has a ring world covered in super-intelligent rats

Ringed worlds seem to be a fertile source of science fiction material, whether it be in sci-fi master Larry Niven's circular alien constructs in his "Ringworld" novels, the spherical megastructures of "Halo's" video game universe — which just launched its "Campaign Evolved" remake of the original game for PS5 and Xbox Series X|S on July 28 — or the ringed orbital habitat for the ultra-rich depicted in director Neill Blomkamp's 2013 sci-fi flick,…