Manganese is a naturally occurring element that constitutes approximately 0.1% of the earth's crust, and low levels of Mn in water, food, and air are ubiquitous. In certain geo-logic regions, long contact times between ground water and bedrock enriched in Mn can lead to locally high levels in the water [U.S. Environmental Protection Agency (EPA) 2004]. Mn is an essential nutrient, and ingestion...

Much has been written about Manifest Destiny in the United States. The authors of Manifest Destinies and Indigenous Peoples primarily focus on other countries in the Americas and examine how Manifest Destiny and its organizing principles were used against the indigenous peoples in those countries. The book is a collection of essays by professors from Argentina, Brazil, Canada, Chile, and the Un...