Africa: Africa's Deadly Black Mamba Holds Vital Clues to Urban Pollution: [RFI] Africa's most feared snake has found a new role as an environmental guardian, with researchers having discovered that black mambas can serve as detectors of air pollution. http://newsfeed.facilit8.network/TN4ZrL #BlackMamba #UrbanPollution #EnvironmentalGuardian #AirQuality #WildlifeConservation