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EntertainmentThe dark, little-known life of Mona Lisa in real life
The Mona Lisa with a mysterious smile in Leonardo da Vinci's painting has a life that is said to be not very happy.Revealing Mona Lisa's portrait through DNA testing
Italian researchers are taking DNA samples to find the true image of the Mona Lisa.
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Why are there no male queen bees?
The mystery of the 'doomsday' cinema, built in the desert but not a single person has visited for more than 30 years
Mystery of dozens of giant circular structures at the bottom of Lake Michigan
US ship becomes world's largest artificial reef
Wreckage of mysterious missing bomber found after 80 years
Surprised to know the identity of the Russian missile debris 'hunter'
Australia releases chemical composition data of nearly 1 million stars
NASA shuts down plasma device to save spacecraft 20.5 billion kilometers away
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