Ants’ fungus agriculture traced back to dinosaur-killing impact Ars TechnicaAnts Farmed Fungi in the Wake of Dinosaurs’ Demise 66 Million Years Ago Smithsonian MagazineGenetic database shows some fungal crops became completely reliant on ants 27 million years ago Phys.orgScientists discover how ants took advantage of an asteroid that killed the dinosaurs The IndependentTed Schultz (IMAGE) EurekAlert