Opportunity: The Amazing Self-Cleaning Mars Rover

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Opportunity: The Amazing Self-Cleaning Mars Rover         Opportunity has been given a new lease on life after the red planet gave the Mars rover a spring cleaning. Read More WATCH VIDEO: Can We Grow Plants on Mars? When water was found on Mars last year, it begged the question: Could we grow plants in Martian soil? Moms-to-Be: Don't Eat These Fish         Organic pollutants in fish create a decades-long health risk for mothers and their children. Read More WATCH VIDEO: The 5 Nastiest Things in Your Food You've heard about the battle against trans fats, but there are arguably scarier things in your food. What Was This Mystery Pyramid?         Hint: It's 1975, it's in North Dakota and it's watching the skies. Read More WATCH VIDEO: Robot Soldiers Are Coming! The future of combat might not involve humans, but robots! Is Sex Really Exercise?         It's commonly believed that sexual intercourse is a great alternative to exercise. Is there any truth to this? 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 © 2014 Discovery Communications, LLC