-biography 1939-1945 1996m-204 2001d-766 2003m-358 2007a-543 2009f-833 2011e-741 20thcentury africa aging anecdotes animal baboons behavior biography biologicalevolution biologists botany cells cellularsenescence cloning conflictofinterest congresses descriptionandtravel dna east economics ethics explorers faculty fossils genetics geobiology germany gerontologists history hominidae hominids hope humancloning humanevolution humanexperimentation interplanetaryvoyages jahren medicalresearchpersonnel medicine michael modern1601 modern1601- molecularbiology nationalsocialism nationalsocialismandscience naturalsciencedisciplines nucleicacids organism paleobotanists paleontology papio physicians popularworks prejudice psychology publicpolicy q125s41432001 qp620 research robertm sapolsky science scientificmisconduct scientists self-experimentationinmedicine speciesspecificity standards stever travelsapolsky trends unitedstates vocationalguidance west women womenbotanists working worldwar wz100w519w2003 wz112f832g1984 wz129a468w1987 wz129a468w1987a