"It generally lives in small herds of half a dozen to 30 each," Darwin wrote, "but on the banks of the St. Cruz we saw one herd which must have contained at least 500." Cambridge University ...

While Charles Darwin’s drawings and diagrams or Albert Einstein’s equations may be inspirational, the reality of handwritten notebooks is that they can stifle, rather than encourage, scientific ...

Darwin's drawings of the different heads and beaks of finches Darwin's observations revealed that the finches had wide variations in their size, beaks and claws depending on which island he was ...