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The Latest in Ideas1) What a living whale is worth -- and why the economy should protect nature ----- Ralph Chami; 2) An Indigenous perspective on humanity's survival on Earth ----- Jupta Itoewaki; 3) The kingdom hidden in Brazil ----- Marc Adam Hertzman and Flavio dos Santos Gomes; 4) Why people love watching sports ----- Kate Fagan; 5) What does the world's largest machine do? ----- Henry Richardson.
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