PREVIEW: DINOSAURS/ANT FARMERS/FUNGI: Smithsonian Institution researcher Ted Schultz explains the fresh thinking that ants farmed for food the fungi that abounded in the organic waste from the burning, dying forests and jungles of the K-T extinction event

PREVIEW: DINOSAURS/ANT FARMERS/FUNGI: Smithsonian Institution researcher Ted Schultz explains the fresh thinking that ants farmed for food the fungi that abounded in the organic waste from the burning, dying forests and jungles of the K-T extinction event 66 million years ago that killed the dinosaurs and made room for mammals -- and ant farmers. More details tonight.

1911 Field Columbian Museum