Bird flu: what is the h5n1 virus and how worried should we be?

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

Why the way you think changes as your brain grows

“I’m one of those wacky wild swimmers,” he says. “Rain or shine, summer or winter, regardless of what country I’m in, I try and find someplace.” To justify the appeal, he draws on nature writer Roger

Discover the zealous leaders who kickstarted centuries of holy war

THE MOST DOMINANT FORCE IN THE UNIVERSE IS ALSO ITS MOST MYSTERIOUS AND MOST UNANTICIPATED