Quartz Daily Brief—Americas edition—Angela Merkel in China, mass shooting in Florida, underground empires

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What to watch for today

Angela Merkel meets with China’s leaders. The German chancellor aims to push Beijing on trade, cyber security, and human rights during a joint cabinet meeting. Yesterday, she accused China of hurting Europe’s steel industry by overproducing the commodity.

Apple’s big conference for developers begins. The tech giant’s annual Worldwide Developer Conference in San Francisco launches with an expected focus on opening up its digital assistant Siri to outside coders.

Saudi Arabia’s deputy crown prince visits the US.  Mohammed bin Salman—in charge of overhauling his country’s economy—will meet with president Barack Obama, UN Secretary-General Ban Ki-moon, and other senior officials. He also plans to meet with Silicon Valley executives in California.

Over the weekend

The US suffered the deadliest mass shooting in its history. A man identified as Omar Mateen killed 50 people and wounded at least 50 more at a gay nightclub in Orlando, Florida on Sunday (June 12). Mateen reportedly pledged allegiance to ISIL in a 911 call before the attack.

Hooliganism and trash marred Euro 2016. European soccer’s governing body UEFA warned Russia and England their teams would be booted from the tournament if their fans were involved in any further violence. Meanwhile, France faces another week of strikes by unions over labor reforms, with uncollected trash piling up in Paris and a walkout by Air France pilots leading to flight disruptions.

A bomb went off in Shanghai’s main airport. Five people were wounded when a man threw a homemade explosive device near check-in desks at Pudong International Airport, and then stabbed himself in the neck.

“Hamilton” dominated the Tony Awards. The blockbuster hip-hop Broadway musical won 11 awards, having received 16 nominations—the most in Broadway history. Creator Lin-Manuel Miranda gave a stirring tribute to the Orlando shooting victims in his acceptance speech.

Lotte postponed its big IPO. Following last week’s raids by prosecutors on the South Korean retail group, it said would withdraw plans to list for now. The IPO was expected to raise up to $4.5 billion.

Over 2,500 migrants were rescued from the Mediterranean. Italian authorities said they pulled migrants crossing from Libya out of the sea near the coast of Sicily in separate operations on Saturday and Sunday. Almost 50,000 people have arrived in Italy since the start of the year, and thousands have died during the treacherous crossing.

Quartz obsession interlude

Kevin J. Delaney on Silicon Valley’s plan to create a radically new stock exchange. “US tech startups have long wanted to overhaul the process for firms to list their shares and to find ways to minimize pressures on public companies from high-frequency trading, cynical activism, and any distorting incentives of quarterly results.” Read more here.

Matters of debate

America is wrongly blocking gay men from donating blood to Orlando shooting victims. The government’s guidance against gay male donations is scientifically unjustified, and a reminder of lingering battles facing the LGBT community.

We’ve been eating genetically modified food for 10,000 years. Why stop now? Not all genetically modified food is bad, and plenty of ”cloned” produce is considered ”organic.”

What the modern “Right to Die” debate can learn from an ancient Indian religion. Choosing to fast to death at the end of one’s life is seen as a spiritual celebration in Jainism

Surprising discoveries

Vast underground cities were uncovered in Cambodia. Some as large as capital Phnom Penh, they would have comprised the world’s largest empire in the 12th century.

You can train your brain to cope with stress. There are neuroscience-based techniques that alter brain chemistry ”as much as any antidepressant,” according to experts.

Dr. Robot will see you now. Experiments on pigs found autonomous robots made as good or better stitches than experienced human surgeons.

Japanese messaging app Line made $268 million from digital stickers last year. The “larger and more expressive version of emoticons,” as the company describes them, accounted for a quarter of total sales.

The Milky Way is disappearing. One-third of the global population can’t see the galaxy because of widespread light pollution.

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