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Robert Fischell invented the rechargeable pacemaker and the implantable insulin pump — not to mention created the precursor to GPS. The 87-year-old shares a peek into his creative process.

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You don’t “find your calling,” you fight for it — and other lessons from people who found their passion (sometimes late in life).

Doug Bolender and Dr. Sarah Parcak at Point Rosee by Freddie Claire, courtesy BBC.

The Vikings described a place called Vinland — a “land of wine,” bursting with berries. But where, exactly, was it? Space archeologist Sarah Parcak shares a step-by-step look at how her team used Norse texts and satellite imagery to search in eastern Canada.

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Archaeology is a puzzle. For Sarah Parcak, the arduous process of trying to find ancient treasures is made exponentially easier by satellite imagery.

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Corrupt officials and criminal operators are brilliant at hiding their money and actions from public view. But there’s something we can do about it, says the team at Global Witness. It starts with closing loopholes.

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When artist JR started a project about the 1.2 million people held in limbo at the Ellis Island Immigrant Hospital in the early 20th century, he couldn’t help but notice ghosts of the present.

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Human beings have created a whole load of problems in the oceans. Sadly, though, they usually don’t want to hear about them. Last month, a group of ocean scientists and activists brainstormed ways to make the seas sound as amazing as they are. Check out new tools, studies and discoveries that could spark positive curiosity and empathy.