Probably it involved what was then called a brontosaurus, which in its small, plastic form—tiny paradox coming—I liked to shoot with my water gun in the bathtub. But the realization really hit ...

A skeleton of Brontosaurus parvus at the University of Wyoming's Geological Museum. This specimen had been classified as an Apatosaurus until 2015, when new research showed that Brontosaurus and ...