America's nuclear arsenal isn't dangerous, but getting rid of it might be.
A photographer explores Mexico’s hopeful future and heavy past.
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Africa is growing more democratic—so why are traditional authorities still popular?
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Iraq’s Kurds have gone from rags to riches—and may be poised to secede.
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American pharmaceutical firms are producing as many breakthrough drugs as ever.
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The accounts of elephant altruism, intelligence, and feeling are too many to be ignored.
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Accidents pitting eco-friendly cars against trucks and SUVs have increased traffic fatalities.