Jeremy Harlan, CNN

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Inside the 6-year process of turning American football fields into World Cup pitches

As the World Cup kicks off across North America, a team of turfgrass experts has spent six years engineering perfect natural-grass playing surfaces for all 16 host stadiums — including venues that normally use artificial turf.

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Grill marks are meaningless: Here’s what matters when cooking out

Summer temperatures have cranked up to ‘HI,’ and many Americans will be turning up the heat another notch as they light the fire on family cookouts.

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