Where did we come from? Where are we going?Richard Leakey and Roger Lewin continue the pioneering field work of Louis and Mary Leakey by fitting together the pieces of our past to discover new answers to these age-old questions. The authors explore our long-buried pastfrom the feral roots of humanit[...]
Chronicling five times in the history of the earth in which more than half of all living species disappeared in a geological instant, a geological study states that we are on the brink of a sixth mass extinction and presents supporting evidence. Reprint. NYT.[...]