Have you ever wondered how a cell phone might affect your brain? When you think about it, the use of cell phones is massively experimental, as we had no idea what kind of negative effects they might have on people when they were first introduced.
The dinosaurs were killed off some 65 million years ago after a colossal asteroid struck Earth. But what many people probably don’t know is how paleontologists came to that conclusion. "Mass Extinction: Life at the Brink" tells that story.