Luciana Barroso and actor Matt Damon attend the Naeem Khan Fall 2012 fashion show during Mercedes-Benz Fashion Week at The Theatre at Lincoln Center on February 14, 2012 in New York City. (Stephen Lovekin/Getty Images)
Actor Matt Damon says he won't go to the bathroom until everyone has a toilet.
Africa's rivers and lakes are prone to shortages and not suitable for drinking. But a groundbreaking study has shown that the subterranean water resources could number over a million cubic kilometers.
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