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"New images uncover 25 secrets about the Mona Lisa, including proof that Leonardo da Vinci gave her eyebrows, solving a long-held mystery. The images are part of an exhibition, "Mona Lisa Secrets Revealed," which features new research by French engineer Pascal Cotte and debuts in the United States at the Metreon Center in San Francisco, where it will remain through the end of this year. The Mona Lisa showcase is part of a larger exhibition called "Da Vinci: An Exhibition of Genius." "

"Here are a whole list of different things that will help you be a better speller. They are our list of SPELLING SECRET WEAPONS. Click on any of the links below to find out what they are. "

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"View the Milky Way at 10 million light years from the Earth. Then move through space towards the Earth in successive orders of magnitude until you reach a tall oak tree just outside the buildings of the National High Magnetic Field Laboratory in Tallahassee, Florida. After that, begin to move from the actual size of a leaf into a microscopic world that reveals leaf cell walls, the cell nucleus, chromatin, DNA and finally, into the subatomic universe of electrons and protons. "