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    Watchmakers use century-old tools to turn gold and gems into timepieces.

    In Pennsylvania, watchmakers use tools from 100 years ago to turn gold and gems into timepieces.

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    sputnik model

    Here’s how it all began.

    A sharp, insistent beep sang out over short-wave radios, filling up our ears with the knowledge that humans had succeeded in the impossible.

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    Tropical Depression Sixteen off the coast of Nicaragua on October 4, 2017.

    The season isn't over yet.

    A developing tropical depression in the Caribbean could threaten the Gulf Coast as a hurricane this weekend, but the storm's future is far from certain.

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    boy holding a model plane

    Reflections from a prodigious force in space exploration.

    When it comes to space exploration, Don Gurnett has seen it all.

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  • 10/05/17--07:48: WATCH: How long is a year?
  • Six year old boy and the Grand Canyon

    Sometimes one year can feel like one million.

    As things age, each trip around the sun becomes an ever-shrinking percentage of its lifetime. So how does a year feel to a first grader compared to the Grand Canyon?

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    breast cancer ribbon

    Spend your dollars on research that might actually save lives.

    Your money is valuable, and it should go to a charity that’s going to do some good with it. As a high profile disease, breast cancer has plenty of organizations that you…

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    Uber App

    Researchers still don’t fully understand the relationship between ridesharing, cities, and crashes.

    New research shows that Uber’s presence in a city only inconsistently leads to a decline in accidents caused by intoxication behind the wheel, and there’s far from being…

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    jumping spider mating dance

    This is the cutest that spider mating has ever been.

    You don't often feel bad for spiders, but this video will make you sorry for these little guys.

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    The social media behemoth is watching.

    Do you know where your data is? Here are all the ways Facebook tries to build a profile of you, and the information it collects to do so.

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    Tamed and Untamed.

    Everyone wanted to pet Octavia.
 She was beautiful, graceful, and affectionate. She was also boneless, slimy, and living in painfully cold water.