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Americans eat more meat now than ever. That’s a problem for the planet’s future. Animal farming takes up 30 percent of the earth’s landmass (the equivalent of Asia), and livestock causes one-sixth of global greenhouse gas emissions. We need more than moral arguments against meat. We need a technological revolution in better, cleaner food.
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Some scientists see aging as a disease that can be cured—but what would immortality mean for humanity?
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Over the last 130 years, the automobile shaped the modern world—it redefined the city, filled the suburbs, and revved up pop culture. With autonomous technology, everything about our relationship to cars is about to change. Then what?
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Climate change could be the most important problem facing humanity. To address it, scientists are thinking seriously about an idea that might sound like something from a sci-fi dystopia: Spraying the skies with sulfuric acid to partially block out the sun.
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Crazy/Genius is back with a new season featuring five ideas to save the world.
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It’s our best hope for life after earth—and a freezing, irradiated desert more than 30 million miles away. In our season finale, scientists and writers debate whether colonizing Mars is the most important mission in the history of the human race, or an absurd daydream.
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“Where is everybody?” That’s the question physicist Enrico Fermi asked in 1950. Nearly 70 years later, we’re getting tantalizingly close to solving the riddle known as Fermi’s Paradox: If the universe is so large and so old, why haven't we found life on other planets?
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