How Sweden Is Relocating an Entire City

Kiruna, the northernmost city in Sweden, is sinking. In fact, by 2050, most of its structures will have collapsed into the iron mines below it. So engineers have embarked upon an ambitious project to move Kiruna—along with its 20, 000 residents—two miles to the east. A new documentary explains exactly how they plan to do it. Read more…

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How Sweden Is Relocating an Entire City

New 3D Printer Draws in Midair Like Magic

Lasers and metal were part of 3D printing for decades before the machines became affordable for personal use. But researchers at Harvard are demonstrating a new technique by which 3D metal structures can be printed in midair , without the need for anything supporting them. Read more…

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New 3D Printer Draws in Midair Like Magic

Metro Engineers Unearth 10,000 Square Feet of Ruins Beneath Rome

If you build a new Metro line in Rome, you have to worry about more than just engineering. Perhaps unsurprisingly, the construction team working on the Metro C, which will run through the center of the city, has now unearthed a huge suite of ancient barracks. Read more…

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Metro Engineers Unearth 10,000 Square Feet of Ruins Beneath Rome

Divers Discover an Ancient Roman Treasure Trove Inside an Untouched Shipwreck

More than 1, 600 years ago, a Roman ship full of carved statues, bronze lamps, and loads of coins was lost at sea. Just recently a group of divers stumbled upon the wreckage—and what they found is magnificent. Read more…

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Divers Discover an Ancient Roman Treasure Trove Inside an Untouched Shipwreck

Teen Discovers Lost Maya City Using Ancient Star Maps

Using an unprecedented technique of matching stars to the locations of temples on Earth, a 15-year-old Canadian student says he’s discovered a forgotten Maya city in Central America. Images from space suggest he may actually be onto something. Read more…

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Teen Discovers Lost Maya City Using Ancient Star Maps