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50 Years Ago, *Earthrise* Gave Us the View of a Lifetime

Half a century ago, astronauts aboard NASA’s Apollo 8 mission become the first humans to leave low Earth orbit, traverse the 240,000 miles separating our planet from its moon, and loop around that natural satellite to look upon its forever-hidden far side (not dark side) with their own eyes. The …

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Quantum Communication Can Travel Faster—It's Not Just a Myth

Quantum computers are still a dream, but the era of quantum communication is here. A new experiment out of Paris has demonstrated, for the first time, that quantum communication is superior to classical ways of transmitting information. “We are the first to show a quantum advantage for transmitted information that …

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The DRC's Ebola Outbreak Is an End-of-Year Nightmare

Six months after the first case of Ebola was confirmed in the Democratic Republic of Congo’s conflict-torn border province of North Kivu, the outbreak is still raging, leaving a trail of fractured families and hundreds of orphans in its wake. As of December 20, more than 512 cases have been …

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Trigonometry Is Essential to Physics. Here Are the Basics

You might have already passed that silly course with a title something like “Introductory Algebra and Trigonometry.” It covered a bunch of stuff, but the important part was that the class was a prerequisite for your physics course. But do you really understand the very basic concepts of trig? Yes, …

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We've Got the Screen Time Debate All Wrong. Let's Fix It

In 1995, New York City psychiatrist Ivan Goldberg logged onto PsyCom.net, then a popular message board for shrinks, to describe a new disease he called “internet addiction disorder,” symptoms of which, he wrote, included giving up important social activities because of internet use and “voluntary or involuntary typing movements of …

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A SpaceX Booster Went for a Swim and Came Back as Scrap Metal

Port Canaveral, east of Orlando, was a hub of activity this past week as SpaceX officials attempted to rescue a wayward booster that had fallen into the ocean just off Florida’s space coast. A crowd of onlookers showed up day after day to glean insights into the secretive company’s recovery …

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Dark Matter Theorists Explore Axions as WIMPs Come up Short

Physicists are remarkably frank: they don’t know what dark matter is made of. “We’re all scratching our heads,” says physicist Reina Maruyama of Yale University. “The gut feeling is that 80 percent of it is one thing, and 20 percent of it is something else,” says physicist Gray Rybka of …

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Use a Slo-Mo Video to Calculate How Fast Glass Shatters

If you have a super-expensive camera that records in high speed, you should just record some stuff. Right? That’s exactly what Dan and Gav do on their YouTube channel, The Slow Mo Guys. In their most recent video, they decided to determine the speed of breaking glass. The plan is …

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Cannabis Dependence Research Follows Potency, Legalization

Cannabis is a hell of a drug. It can treat inflammation, pain, nausea, and anxiety, just to name a few ailments. But like any drug, cannabis comes with risks, chief among them something called cannabis use disorder, or CUD. Studies show that an estimated 9 percent of cannabis users will …

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