In 1864, the US Army began digging a proper well for Fort Monroe, a Chesapeake Bay Union fort surrounded by then-Confederate Virginia. Three years into the Civil War, and cut off from the state it was built to defend, Fort Monroe had more wounded soldiers and escaped former slaves than it could handle, and its…
Spinosaurus aegyptiacus is a dinosaur that you might have heard of because it showed up in a Jurassic Park movie to break the neck of a Tyrannosaurus rex. But in the real world, it had a slightly weirder story.
Dinosaur teeth have been studied many times already. Scratches and pits on the surface of herbivore teeth provide clues to how they fed, and what types of plants they fed on. But many of these studies look at only a few teeth, or only a few specimens. Not so with this study.