Water-bearing minerals were discovered on Mars by NASA’s Curiosity Rover.
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Wendy's became the world's second best-selling hamburger chain, overtaking Burger King.
Zack Snyder's 'Batman v Superman: Dawn of Justice' premiered at Mexico City's Auditorio Nacional.
Prince Philip of Edinburgh opened Britain's first planetarium at Madame Tussaud's in London.
Spin magazine first hit the shelves, featuring Madonna on the cover.
The world's largest omelet was cooked up in Japan.