Could happiness be the key to winning Olympic gold?

Today on CNN10 - We'll take a look back at the history of the Grand Canyon on the anniversary of its enshrinement as a national park. Then, we'll learn what's driving up the cost of key computer components amid a boom in the artificial intelligence industry. Plus, we'll see how Norway's unique approach to training young athletes has turned the nation into an Olympic powerhouse. All this and more on today's CNN10!
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