Mach propulsion

Six decades ago, human spaceflight was a two-sided coin, as the United States and Soviet Russia competed for primacy in the Space Race during the Cold War. With global nuclear holocaust looming menaci

While the word dinosaur stems from the Greek for ‘terrible lizard’, dinosaurs aren’t lizards. This distinction is based on anatomical features, notably the legs. A lizard’s legs stick out at right ang

Unless you’ve been paying ironically little attention in recent years, you’ll have noticed the significant rise in adults being diagnosed with attention-deficit/hyperactivity disorder, more commonly k

Why the way you think changes as your brain grows