Prehistoric Predators: Paleontologists once thought that sauropods, giant long-necked dinosaurs, were too heavy to walk on land. Although it is now known that this isn’t true, it was believed that their bodies were too heavy for their... Read More

Historians don’t know for certain who invented the telescope. They do know when and where it emerged. In 1608, in burst upon the stage of recorded history, apparently out of Holland’s seedy world of small-time spectacle making.... Read More