Jane Goodall, the trailblazing naturalist whose intimate observations of chimpanzees in the African wild produced powerful insights that transformed basic conceptions of humankind, has died. She was 91.A tireless advocate of preserving chimpanzees’ natural habitat, Goodall died on Wednesday morning in California of natural causes, the Jane Goodall Institute announced on its Instagram page. “Dr. Goodall’s discoveries as an ethologist revolutionized science,” the Jane Goodall Institute said in a s...