A fossil skeleton of a child discovered in a cave system known as the Cradle of Humankind may represent a previously unknown stage in the evolution of man, The (London) Sunday Times reported. The skeleton, which is almost complete despite being two million years old, is believed to belong to one of the hominid groups that includes humans. Hominid fossil finds are usually little more than small bone fragments. Scientists hope such a complete find will help them to work out what our ancestors looked like and to determine key dates in their evolution from ape-man to man-ape. Experts who...