Every summer since then his wife, Jane Schelley, has traveled to the area looking for him. Many people believe that the best way to preserve endangered flora and fauna is to protect parts of the world where the diversity of life is greatest. That's easier said than done. NPR's Richard Harris reports on new findings that may make it easier to select the very best places for conservation efforts. As their numbers dwindle, wild animals are increasingly being managed.
Zoos play a major part in that management, usually as animal refuges.
One of the most difficult animals to breed is the elephant. Few have been born in captivity, and it wasn't until this year that the first artificial insemination of an elephant succeeded in creating a pregnancy. The Pentagon announced guidelines today that officials hope will give clarity and credibility to rules against adultery and fraternization in the nation's armed forces. Critics said enlisted service members were being dealt with more harshly than officers. The new rules are expected to reduce the number of prosecutions for adultery, while increasing penalties for fraternization between a superior and a subordinate.