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    dog human next to lake

    A new study finds that human and dog microbiomes have more in common than you might expect.

    Evidence of our relationship with dogs goes deep—far into the gut, in fact. A new study published today in the journal Microbiome suggests that our microbiomes and those…

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    browsing history on laptop

    Asking for a friend...

    Your browser makes it relatively easy to purge your search history, but many sites keep their own records of your past queries. Here's how to delete that data.

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    cow skull

    Trepanation may not have been limited to humans.

    Bovine brain surgery is pretty rare. So if you were visiting the Neolithic dig site at Champ-Durand in France and you found a roughly 5,200 year-old cow skull with a…

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    Apple Daisy Robot

    A two-minute journey through this machine renders a smartphone into recyclable materials.

    This 30-foot robotic line breaks up iPhones with a mix of precision and percussion.

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    Wild insects are the most important and vulnerable pollinators.

    The decline of pollinators is linked with destruction of natural habitats like forests and meadows, the spread of pests such as Varroa mite and diseases like foulbrood,…

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    a red staghorn coral

    Just how much trouble is coral in? The answer is complicated.

    "It's been pretty well established that if you take the present day coral and you put it into the future conditions, it will most likely die,” Mikhail Matz explains. The…

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    a doctor shines a light in a patient's eyes

    Even a minor brain injury might raise your risk.

    A new study is making waves for suggesting a single traumatic brain injury, even a mild one, can significantly increase the risk of developing Parkinson’s. But that…

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    Octopuses on the outcrop

    Warmer isn't always better.

    Want to see something incredible? Head to a spot in the ocean 155 miles west of Costa Rica. Get in a sub and descend 9,482 feet beneath the surface to a stretch of…

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    milky way with shooting star meteor

    Light pollution makes it hard for many people to appreciate the stars.

    The Lyrids are one of the year’s most impressive displays of shooting stars, and though most Americans can stand outside and spot a few streaks, the vast majority won’t…

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  • 04/20/18--06:30: How to throw a punch
  • punch

    Without hurting yourself more than your opponent.

    Understanding how to throw a punch—before you go all John Wayne on a bad guy—will prevent you from hurting yourself more than whatever you’re swinging at.

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    Welcome to the neighborhood, fire ants! Sure is hot out today!

    “There’s always winners and losers, and it seems that some of the organisms that are doing well and may do well into the future are the venomous species,” says Isabelle…

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    They're robotics wingmen for China's carrier pilots.

    China is flying helicopter drones on its warships. The military plans to fly drones on carriers, pair drones with manned fighters, and export stealth attack drones.

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    The end-of-week dispatch from PopSci's commerce editor. Vol. 45.

    My job is to find cool stuff. Throughout the week I spend hours scouring the web for things that are ingenious or clever or ridiculously cheap. Often times, these…

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    lagoon nebula

    Happy birthday to the best space telescope ever! Love, PopSci.

    It’s pretty amazing even with low-tech binoculars or higher-tech telescopes. But to really appreciate the scale of the nebula, check out this new view of the nebula just…

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    And it doesn’t have to smell.

    If you think composting is a dirty, unpleasant activity, that’s far from the truth. It can be really fun, like one big science experiment. Here’s how to get started:…

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    A little girl holding a globe

    Little changes can make a big difference

    Don’t let the scope of the problem get you down. Here are concrete things that you (yes, you!) can do to help make the world a better place.

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    aurora iss

    How much are you willing to pay to become an astronaut?

    From heavy-hitters to newcomers to the space tourism scene, here are the most recent commercial space programs that would love to take you out of this world—for a…

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    Literate recruits took the written Alpha test, while illiterate applicants took a visual Beta.

    During World War I, the U.S. Army needed a system that would quickly sort recruits into their ideal roles.

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    photo of a researcher talking into the ear of a Pepper robot

    The Information Processing Aptitude test is notoriously difficult.

    The online evaluation consists of half math-based word problems and half number-sequence completions.

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    The society is open only to people who score in the 98th percentile or higher on a preapproved intelligence test.

    The society is open only to people who score in the 98th percentile or higher on a preapproved intelligence test. To be a Mensa member, hopefuls must demonstrate…

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