President Obama praises an Iranian boy in a Humans of New York photo

Japan is building a giant robotic lettuce factory

Millions of dollars in gold and silver are sitting under these New Zealand volcanoes

The US military is replacing the Humvee with a huge truck that looks like an angry shark

Treasure hunters in Poland claim to have found a Nazi train loaded with gold, guns, and art

This is what happens when you try to fly a “hoverboard” through customs

A suspended, all-glass “sky pool” is coming to London—and it looks awesome

A space elevator has been patented to take astronauts 12 miles off the earth

Roomba’s robotic lawn mowers are now legal in the US, and astronomers aren’t happy

NASA astronaut captured footage of the northern lights from the International Space Station

Japan is using automated cameras to detect drunk train commuters

This little girl has an Einstein-like IQ, but her country treats her like a second-class citizen

Laptop-sized people movers are angling to make walking a thing of the past

Computer scientists invented a way to turn your skin into a mobile touch pad

How to watch the stunning Perseid meteor shower at its peak brilliance

The Premier League is back. Celebrate by tweeting your team’s emoji

The Netherlands is designing a ferris wheel with a built-in windmill and hotel

An epic photo of humans swimming with whales, and other winners from this year’s National Geographic travel photo contest

Silicon Valley’s favorite meal-replacement drink, Soylent, is now bottled and made of algae

Shell has a gas station bathroom that you’ll never want to leave

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