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| Good evening. Here's the latest. |
 Lam Yik Fei for The New York Times |
| 1. It's been a tumultuous 24 hours in Hong Kong, and the coming hours could be telling. |
| After Monday's daylong protests, hundreds of riot police used tear gas after midnight to disperse a small group of protesters who had broken into, occupied and vandalized the city's legislative complex for three hours. Some raised a British colonial-era flag in a repudiation of Chinese rule. |
| The city's leader, Carrie Lam, condemned the acts in an early-morning news conference. The escalation has shocked many in the city, divided the protest movement and raised fears that Beijing will use it as justification to tighten control. |
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 Iranian Presidency Office, via Associated Press |
| 2. Iran said it had exceeded a nuclear fuel limit set out in the 2015 deal that President Trump abandoned. |
| The breach does not give Iran the material to produce a nuclear weapon, but it does signal that the country may be willing to restore the far larger stockpile it possessed in the years before the Obama-era deal. Above, President Hassan Rouhani at a "National Nuclear Day" in Tehran last April. |
| The Trump administration had no immediate reaction, but Secretary of State Mike Pompeo said last month that the U.S. would never allow Iran to get within one year of possessing enough fuel to produce a nuclear weapon. Here's what could happen next. |
| Separately, the president's elder daughter, Ivanka Trump, used a G20 summit and then the meeting with Kim Jong-un in the Demilitarized Zone in South Korea to test her role as a budding stateswoman for the administration. |
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 Spencer Platt/Getty Images |
| 3. America's economic expansion became the longest on record today. |
| And stocks rose on Wall Street, following global markets, as investors were buoyed by a thaw between the U.S. and China. |
| So what's the forecast? Our economics correspondent sees two basic forces pointing in opposite directions: Consumers are spending, but businesses aren't. |
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 Marco Ugarte/Associated Press |
| 4. "They fled El Salvador, they fled our country. It is our fault." |
| El Salvador's president, Nayib Bukele, above in March, assumed responsibility for the migration of thousands of his fellow citizens north, including the father and daughter whose death in the Rio Grande was captured in a startling photograph last week. His comments were a rarity among leaders in the region. |
| On today's episode of "The Daily," our immigration reporter talks about the state of the migrant detention center in Clint, Tex., where reports of unsanitary conditions set off an outcry. |
| We're awaiting word on the delegation of congressional Democrats visiting the facility today. |
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 Siphiwe Sibeko/Reuters |
| 5. Poaching is on the rise in one of Africa's last great elephant refuges. |
| Researchers using aerial surveys and field visits determined that fresh elephant carcasses in Botswana increased by nearly 600 percent from 2014 to 2018, confirming fears that the illegal ivory trade has reached the country. Critics say government officials are not taking the issue seriously enough. |
| Separately, after a hiatus of more than 30 years, Japan has officially started commercial whaling in its waters again. Conservationists aren't happy, but Japanese traditionalists are. Of note, however: Japan's taste for whale meat is shrinking. |
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 Gordon Studer |
| 6. Here's a real mindbender: Humans didn't invent the power line — "electroactive" bacteria did, sending out hairlike growths to channel electrical impulses. |
| Scientists discovered them a few decades ago, and are finding this natural electricity grid across much of the world, even on the ocean floor. It alters entire ecosystems, and may help control the chemistry of the earth. |
| But wait, there's one more: Scientists have captured perhaps the world's smallest M.R.I. — iron and titanium atoms. |
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 Mike Blake/Reuters |
| 7. From the music world: |
| In the final hours of Pride month, Lil Nas X addressed his sexuality, tweeting that he thought he had "made it obvious" in the lyrics of a song, "c7osure." Coming out on social media seemed fitting, our reporter writes, as the rapper built his fame as an amateur meme maker. |
| And Taylor Swift is at war with the founder of her first label, Scott Borchetta of Big Machine, for one of the oldest reasons in the business: a dispute over ownership of her back-catalog masters. She called their sale to the powerful music manager Scooter Braun her "worst case scenario." |
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 Tim Ireland/Associated Press |
| 8. Cori Gauff, at 15 the youngest qualifier in Wimbledon history, beat the oldest — and her idol — Venus Williams, 39. |
| In a changing-of-the-guard match, Gauff's 6-4, 6-4 victory was remarkable not just for the score line but also for the manner with which she managed the moment. Naomi Osaka, the No. 2 seed, lost in the first round. Serena Williams plays at 11:15 a.m. Eastern on Tuesday. |
| We also took a broad look at the chaos of the N.B.A. free agency. It started with Kevin Durant's announcement that he would leave the Golden State Warriors for the Brooklyn Nets. By overlooking the Knicks, our basketball columnist writes, Durant and Kyrie Irving show that players know not to believe the hype. |
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 Calla Kessler/The New York Times |
| 9. In this week's Travel section, we're heading to Queens, N.Y. |
| Queens has sights worth seeing and restaurants that put it at the center of the city's food universe. Our writer provides a whirlwind, round-the-world eating tour. Above, Namaste Tashi Delek Momo Dumpling Palace, in Jackson Heights. |
| We also had our architecture critic review the new hotel in Eero Saarinen's 1962 TWA Flight Center at J.F.K. Airport. He finds glamour to spare, but not quite enough polish. |
| And for our latest 36 Hours installment, head to Rockaway Beach, where surfboard-packed waves, city views and fish tacos are all just a subway (or ferry) ride from Manhattan. |
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 Tony Cenicola/The New York Times |
| 10. And finally, 10 medical myths we should stop believing. Doctors, too. |
| Will testosterone salvage memory? Does fish oil, above, prevent heart disease? Will ginkgo biloba protect against dementia? No, no and no. Researchers identified nearly 400 common medical practices and theories that were contradicted by rigorous studies. We picked 10 of the most notable findings. |
| "You come away with a sense of humility," said Dr. Vinay Prasad of Oregon Health and Science University, who conceived of the study. "Very smart and well-intentioned people came to practice these things for many, many years. But they were wrong." |
| Have a well-informed night. |
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