Algae on river flowing into Lake Erie prompts warning

Health officials in Ohio are telling children, pregnant women and people with certain medical conditions not to swim in the river that flows through Toledo because of an algae outbreak.

Manganese in underground drinking water is cause for concern

Underground drinking water sources in parts of the U.S. and three Asian countries may not be as safe as previously thought due to high levels of manganese, especially at shallow depths, according to a study led by a researcher ...

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