Brazilian scientists to test AIDS vaccine on monkeysBrazilian scientists have developed an HIV vaccine and plan to begin testing on monkeys later this year, a sponsor institution said Monday. Aug 05, 2013
Scientists find underground river beneath AmazonSAO PAULO — Brazilian scientists have discovered an underground river some 4,000 meters (13,000) feet deep, which flows from west to east like the country's famous waterway. Aug 25, 2011
