How Safe is U.S. Drinking Water?

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How Safe is U.S. Drinking Water?         In West Virginia the water crisis eases, but there are still gaps in protection. Read More WATCH VIDEO: How Much Water Do We Need to Drink? Is eight glasses of H20 a healthy recommendation or a myth waiting to be busted? Sand Dunes Could Reveal Weather on Alien Worlds         If we start paying close attention to dune formation on other planets, we might be able at least to tell which way the wind is blowing. Read More WATCH VIDEO: Planets Shed Light on Earth's Weather Using the other planets as weather labs, meteorologists get a feel for how things work on Earth. 'Fishimal' Was Part Fish, Part Limbed Animal         An animal that looked like both a fish and a limbed animal represents the transition from fish to land dwellers. Read More WATCH VIDEO: Flushed Fish Invading Oceans Flushing your fish down the toilet can be disastrous to the ocean's ecosystem -- here's why! Are Men Going Extinct? Video         For three years now, it has been widely debated whether or not the Y chromosome will disappear. Will men cease to exist on Earth without the gene that created them? Watch Follow Discovery News on Facebook! Get your sci-tech headlines all day on Twitter too! Follow us @Discovery_News. At Discovery we value your privacy. If you would like to be removed from Discovery News emails like this, please click here to our subscription center, where you can manage your account. We recently updated our privacy policy. This policy is effective as of 10/30/07. To see new policy click here . Discovery Communications, LLC One Discovery Place Silver Spring, MD 20910 © 2013 Discovery Communications, LLC