Gut bacteria have co-evolved with humans over millions of years and helped them adapt to new environments and foods. For the first time, an international team of researchers has deciphered the intestinal bacteria of present-day hunter-gatherers.
Pope Francis called on Monday for fidelity and chastity to be used to fight the AIDS virus in Africa, in an address to visiting Tanzanian bishops that -- in line with Catholic doctrine -- did not mention the use of condoms.
Tanzania will continue a controversial anti-poaching operation, President Jakaya Kikwete said Thursday, overturning a suspension following reports of rampant human rights abuses including torture and killing of suspects.
The target of the raid in Somalia by US Navy SEALs was Abdulkadir Mohamed Abdulkadir, a Kenyan of Somali origin who is a foreign fighter commander for the Islamist Shebaab group, a US official said on Monday.