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.
While the exact nature of the effects of ecotourism on cultural and lifestyle practices are yet to be determined and quantified, given the prominence of ecotourism in Costa Rica, there is sufficient reason to believe that it has had and will continue to have fairly significant socio-cultural implications.