The human anatomy became one of his great interests ... His studies on the heart combined both experimentation and ...

They’re filled with questions and observations on a variety of topics, ranging from biology and human anatomy to engineering ... been testing theories with experiments for years, but most ...

Ancient artifacts such as stone tools and fossils, including ancient human skulls and teeth, provide crucial information for understanding the origins of modern humans. The archaeological record ...

Analysis - The mere mention of Leonardo da Vinci evokes genius. We know him as a polymath whose interests spanned astronomy, geology, hydrology, engineering and physics. As a painter, his Mona Lisa ...