Plastic was invented to make our lives better. But our dependence on it has created an environmental crisis.
Who are the immigrants coming to the U.S. today?
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The World Nomad Games in Kyrgyzstan feature impressive athletics to renew interest in central Asian culture.
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Two experts weigh in on the pros and cons of the president blocking people on Twitter.
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A political cartoonist comments on marine plastic pollution.
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Scientists have discovered a mummified slab of 3,200-year-old cheese in an Egyptian tomb.
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Around the world, women who work full-time usually earn less than men do.
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During World War II, more than 110,000 Japanese-Americans were sent to internment camps
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During the Civil War, Mary Walker Edwards became the first female surgeon in the U.S. Army.
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Cesar Chavez helped unionize California grape pickers, demanding better conditions for workers.
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When astronomer Galileo learned about the solar system, he defied the Catholic Church.
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