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Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.

10 Famous Artworks by Leonardo da Vinci

Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society

12 Novels Considered the “Greatest Book Ever Written”

Jackson (Wyoming, United States). Jackson Lake (also called Jackson Hole), southern end of the Teton Range (the Grand Tetons), Grand Teton National Park, Wyoming, USA

7 Wonders of America

Globe South America, map

What’s the Difference Between Hispanic and Latino?

Washington DC.,USA, April 26, 1989. Supporters for and against legal abortion face off during a protest outside the United States Supreme Court Building during Webster V Health Services

Pro and Con: Abortion

New York NY/ USA- November 23, 2018 Hordes of shoppers throng the Macy's Herald Square flagship store in New York looking for bargains on the day after Thanksgiving, Black Friday.

Why Is It Called Black Friday?

Vincent Van Gogh, Self Portrait. Oil on canvas, 1887.

Rediscovered Artists: 6 Big Names That Time Almost Forgot

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physics

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definition

In absorption
…band of wavelengths are called filters.
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