No matter how many missions to Mars she takes part in, the sheer joy of unearthing discoveries about the red planet never gets old for Mariek Schmidt.
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Bill Gates Opens Up About Romance with 'Serious Girlfriend' Paula Hurd for First Time: 'We're Having Fun'The Microsoft co-founder said he's 'lucky' to be in the relationship ...
What FACTS ABOUT ROCKS do you know? They are abundant on earth, and yet little is known about them. These facts will increase your knowledge of the rocks.
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