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, ...

Long before powered flight, Leonardo sketched machines meant to conquer the skies. His designs reveal a mind obsessed with turning dreams into motion. Joseph Duggar's wife Kendra also charged after ...

Nature can be an instructive guide for overcoming technological barriers. In 1969, the American engineer Otto Schmitt coined a term to describe the practice of science pulling from nature’s source ...