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    Karthik Nemmani holds up a trophy after winning the Scripps National Spelling Bee. How well can you spell?

    The winner of this year's Scripps Spelling Bee could spell "horse" at the age of 3 and won his first competition at age 4. Let's see if you have what it takes to be a spelling bee champion.

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    Trump confirms June 12 meeting with Kim in Singapore .
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    Kernels Podcast
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    PARP1 depletion improves mitochondrial and heart function in Chagas disease: Effects on POLG dependent mtDNA maintenance

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