The Olympic rings near the venue for the opening ceremony ahead of the Winter Games. Photo: Chung Sung-Jun/Getty Images

North and South Korea have agreed to form their first joint Olympic team, and will march together under a unified Korea flag at the opening ceremony of the Winter Games next month, reports Reuters. They also agreed to field a joint women's ice hockey team after rare talks at the village of Panmunjom.

Why it matters: The move is a sign of reduced tensions in the region after talks between the two countries, and further underscores South Korean President Moon Jae-in's hope that the Games could bring about positive movements toward peace between the two Koreas.

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What China's uneven recovery means for the U.S.

China and much of Southeast Asia look to be bouncing back strongly from the coronavirus pandemic as stock markets and much of the country's economic data are returning to pre-pandemic levels.

What's happening: "Our tracking points to a clear V-shaped recovery in China," economists at the Institute of International Finance said in a note to clients Tuesday, predicting the country's second-quarter growth will rise above 2% after its worst quarter on record in Q1.

Chief Justice John Roberts was hospitalized in June after fall

Chief Justice John Roberts overseeing the Senate impeachment trial of President Trump. Photo: Senate Television via Getty Images

Chief Justice John Roberts was hospitalized overnight after a fall on June 21, a Supreme Court spokesperson confirmed to the Washington Post on Tuesday.

Why it matters: Speculation regarding justices' health — given their lifetime appointments — always runs rampant, and this incident may have not been made public if the Post hadn't "received a tip."

Congress vs. tech's gang of four

Illustration: Sarah Grillo/Axios

The CEOs of tech's four leading giants will defend their industry's growing concentration of power from critics on both right and left who view them as monopolists when they testify, most likely virtually, before Congress on July 27.

Why it matters: The joint appearance by Facebook's Mark Zuckerberg, Apple's Tim Cook, Amazon's Jeff Bezos and Google's Sundar Pichai will mark a historic collision between the leaders of an industry that has changed the world and political leaders who believe those changes have harmed democracy and individual rights.