The Spectacular Stone Monuments of Petra, Jordan. The city carved from desert mountains is more sophisticated than you ever knew.

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Lessons From a 5000-Year-Old Kenyan Cemetery. Hundreds of people were honored in death in a way that contradicts established assumptions.

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Japan, the Land of Vending Machines. Everything from fresh fruit to clothing to beer can be found in a box on the streets.

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It's Time to End the 'Data Is' vs 'Data Are' Debate. Grammatical pedantry can easily obscure important science news.

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A Trained Surgeon Tries the Virtual Reality Surgeon Simulator. Difficulty level: he's a plastic surgeon doing brain and heart transplants.

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How Do You Tell a Thirsty Elephant Not to Take a Drink? The National Zoo had to scramble to cope during a recent boil water advisory.

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The Wacky, Risky World of DIY Submarines. Tinkerers can't resist building them, no matter how dangerous they can be.

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5 Ways to Impress Your Job Interviewer in the First 90 Seconds. Don't let yourself be eliminated right off the bat.