(August 2006) The chimpanzees of Gombe National Park in Kigoma Region, Tanzania, have come under increased pressure from four decades of high human population growth in the region and an associated increase in human activity and disease.
(2010) A recent survey found that young Americans ages 18 to 29 have nearly universal acceptance of interracial dating and marriage within their own families.
Water and sanitation play a crucial role in the transmission of diarrheal disease. These environmental factors contribute to approximately 94 percent of the 4 billion cases of diarrhea that the World Health Organization (WHO) estimates to occur globally each year.