Why do you have five fingers? Why not ten, or twenty, or one? Why do so many animals have five fingers? Five seems to be the perfect number for most hands. Oddly, the first vertebrates to come onto ...

London — Two of Charles Darwin's notebooks containing his pioneering ideas on evolution and his famous "Tree of Life" sketch are missing, believed stolen, the Cambridge University Library said on ...

Notebook containing Darwin's original 1837 diagram of the Tree-of-Life, one of two such notebooks believed to have been stolen in late 2000 or early 2001. Two notebooks written by Charles Darwin have ...

Notebook containing Darwin's original 1837 diagram of the Tree-of-Life, one of two such notebooks believed to have been stolen in late 2000 or early 2001. Cambridge University Library has reported two ...