HEALTH
Walter Reed touts 100 years of military healthWASHINGTON - At a time when many hospitals operated with few resources and in unsanitary conditions, the Walter Reed Army Medical Center was a state-of the-art facility - boasting electricity, indoor plumbing and an elevator. More » |
Africans have world's greatest genetic variationWASHINGTON - Africans have more genetic variation than anyone else on Earth, according to a new study that helps narrow the location where humans first evolved, probably near the South Africa-Namibia border More » |