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But we’ll never get them out of the ground.

In a new paper published this week, an international team of researchers estimates that about 1 to 2 percent of the Earth’s cratonic roots are made of diamond. That…
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Long March 9

The 4,000 ton Long March 9 (LM-9) could be destined for Mars missi…
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Knitting isn’t just for passing time.

I decided to offer a class called “The Mathematics of Knitting” at my institution, Carthage College. In it, I chose to eliminate pencil, paper, calculator (gasp) and…
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We know how sleep cycles work, but we don’t know what a normal one is or how to alter it.

Aside from keeping count of the number of hours we get each night, sleep researchers say sleep monitors are cool to look at, but don’t provide any valuable data to…
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Connectivity issues could get much worse

Snaking beneath roads and strung across oceans, hundreds of thousands of miles of cables and their connections make up the backbone of the internet. Despite its…
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Strategies for chilling out.

Air conditioning makes your home much more comfortable during the summer. But you can do a lot to drive down the temperature before you flip on the AC.
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Old, inefficient engines inside new frames have been sneaking through a regulatory loophole that the EPA was supposed to be closing.

Leading up to the Trump administration, the Environmental Protection Agency had been on track to regulate a group of highly polluting freight trucks called gliders or…
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How healthy is that ‘healthy glow’?

Gyms across the country include tanning beds among their offerings. A new paper is the first to look specifically at gym users who tan, finding that they’re part of a…
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Even the mighty Amazon isn't immune from system failures.

This is why even big companies like Amazon still sometimes have issues with their websites.
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Our editors scrounged up some truly bizarre facts.

What’s the weirdest thing you learned this week? Well, whatever it is, we promise you’ll have an even weirder answer if you listen to PopSci’s newest podcast.
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