The scheme to cover a reservoir under 96 million black balls may not be all it is touted to be, experts told FoxNews.com.
While the radioactivity is low, the element's chemical properties pose a health risk.
See some of the most spectacular waterfalls from around the world.
Less than eight months into 2015, humanity has exhausted its yearly allotment of natural resources.
L.A. officials have come up with a surprisingly low-tech way to fight the region's water crisis: millions of floating plastic balls.
Cleaning up the dangerously polluted Guanabara Bay in the next year for sailing events is the biggest challenge facing Rio de Janeiro Olympic organizers.
How come that glass of water you left out overnight tasted terrible by the next day? It's just water, right? Does it go bad?
Only about a quarter of precipitation ends up in the oceans. Where does the rest go? Continue reading →
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