An ancient Greek formula, the Golden Ratio that was used to identify "physical perfection," was adopted to identify the ...

Leonardo and Michelangelo, duking it out for Renaissance commissions, became bitter rivals, but why did their beef begin?

Leonardo da Vinci wasn't just a master artist — he was centuries ahead in science too! Late in his life, he became fascinated by the human heart and made a stunning prediction about how the blood flow ...