For example, his sketches of the muscles of the arms and human skull are comparable to illustrations in today's medical anatomy texts. According to Leonardo's biographer, Giorgio Vasari ...

Then, Gurche estimated the size of the Denisovan's eyes using comparative anatomy, which is the process ... nose protruded out from the face. All human skulls bear markings that indicate the ...

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 ...