Why Denmark is the World's Happiest Country

5 Reasons Why Danes Are Happier Than the Rest of Us. The surprise is not the reasons themselves, but the fact that they are common among the population.

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Who Would Win in a Competition Between a Science Museum and a Natural History Museum? A game of one-upmanship was played out on Twitter, and readers were the winners.

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What Happens When War Is Outlawed. Fifteen nations did just that in 1928, but it didn't last long.

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My Three Years in Identity Theft Hell. Proving who you are when someone else is, too, becomes a full-time job with no perks.

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Elon Musk Releases an Explosive Mega-Collection of His Greatest Rocket Failures. Still, risking failure is the only path to technological breakthrough.

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Put Away Your Pumpkins, It's Still Summer. Autumn creep is a sign we're becoming divorced from the natural progression of the growing season.

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Early Time Travel? Why Britain Lost 11 Days in 1752.