Laurel Wamsley

When Simone Biles suddenly pulled out of the team final after a vault that went awry, her teammate Jordan Chiles was thrust into the clutch.

Chiles, 20, had been slated to compete for Team USA in just two events in the team final: vault and floor. But with Biles out of the competition, she was suddenly competing on the balance beam and uneven bars too.

Protests by athletes have become common and more widely embraced in the last few years, and the Olympics has updated its rules to allow for it – within limits.

Pictogram people become unlikely MVPs

One of the most striking sequences in the Tokyo Olympics' opening ceremony revolved around pictograms. Tokyo organizers have been touting their "kinetic pictograms," which show figures bursting into motion across dozens of disciplines. For Friday's ceremony, they brought all 50 of those pictograms to life.

While the delta variant of the coronavirus has quickly become the dominant strain in the United States, it's not the only variant circulating in the population.

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