Chiari Malformation. Chiari malformations (CMs) are structural defects in the cerebellum, the part of the brain that controls balance. When the indented bony space at the lower rear of the skull is smaller than normal, the cerebellum and brainstem can be pushed downward.
Slum Tours: Ecotourism or Exploitation? In Kenya's capital, one of the most lucrative -- and controversial -- effects of ecotourism has been the proliferation of tours through Kibera slum, home to more than 1 million people, almost a third of Nairobi's population.
A key mandate of the ecotourism philosophy, especially in Kenya, is that tourism profits should be distributed fairly among local people, who must also be partners in land and wildlife conservation and management. There`s no disputing the moral authority of these concepts -- but there's also a dark side.