A giant egg equipped with rotors and "Transformers"-style robots are among some of the creative designs submitted in a $2 million dollar contest to dream up new ways of flying. A giant egg equipped ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Leonardo da Vinci was, by any metric, a genius – but he was still limited by his time. The man may have been a secret authority on anatomy, music, art, engineering, and even frickin’ paleogeography, ...