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Scientists work with samples of rock in a laboratory in the L/B MYRTLE Offshore Support Vessel, -a scientific plataform working in the Gulf of Mexico- in front of the Yucatan State, in Mexico, on May 7, 2016. A scientific mission led by IODP (International Ocean Discovery Program) studies the Chicxulub impact crater on the Gulf of Mexico, created after an asteroid crashed 66 million years ago. The research aims to find evidence of the origin of the universe and the evolution of life on Earth. / AFP / RONALDO SCHEMIDT (Photo credit should read RONALDO SCHEMIDT/AFP/Getty Images)

Scientists work with samples of rock in a laboratory in the L/B MYRTLE Offshore Support Vessel, -a scientific plataform working in the Gulf of Mexico- in front of the Yucatan State, in Mexico, on May 7, 2016. A scientific mission led by IODP (International Ocean Discovery Program) studies the Chicxulub impact crater on the Gulf of Mexico, created after an asteroid crashed 66 million years ago. The research aims to find evidence of the origin of the universe and the evolution of life on Earth. / AFP / RONALDO SCHEMIDT (Photo credit should read RONALDO SCHEMIDT/AFP/Getty Images)
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AFP RONALDO SCHEMIDT