Updated at 7:43 p.m. on Feb. 25, 2020.

In May 1997, a 3-year-old boy developed what at first seemed like the common cold. When his symptoms—sore throat, fever, and cough—persisted for six days, he was taken to the Queen Elizabeth Hospital in Hong Kong. There his cough worsened, and he began gasping for air. Despite intensive care, the boy died.

Puzzled by his rapid deterioration, doctors sent a sample of the boy’s sputum to China’s Department of Health. But the standard testing protocol couldn’t fully identify the virus that had caused the disease. The chief virologist decided to ship some of the sample to colleagues in other countries.

At the U.S. Centers for Disease Control and Prevention in Atlanta, the boy’s sputum sat for a month, waiting for its turn in a slow process of antibody-matching analysis. The results eventually confirmed that this was a variant of influenza, the virus that has killed more people than any in history. But this type had never before been seen in humans. It was H5N1, or “avian flu,” discovered two decades prior, but known only to infect birds.

Ever since her last relationship ended this past August, Liz has been consciously trying not to treat dating as a “numbers game.” By the 30-year-old Alaskan’s own admission, however, it hasn’t been going great.

Liz has been going on Tinder dates frequently, sometimes multiple times a week—one of her New Year’s resolutions was to go on every date she was invited on. But Liz, who asked to be identified only by her first name in order to avoid harassment, can’t escape a feeling of impersonal, businesslike detachment from the whole pursuit.

“It’s like, ‘If this doesn’t go well, there are 20 other guys who look like you in my inbox.’ And I’m sure they feel the same way—that there are 20 other girls who are willing to hang out, or whatever,” she said. “People are seen as commodities, as opposed to individuals.”

Picture the following sacred but unhygienic scene: Pilgrims from a dozen countries converge on one small city. They stay in cramped hotels, using communal toilets and eating meals together. For their main ritual, they converge on the tomb of a woman, the sister of a holy man, and as they get closer, they feel with rising intensity grief over her death and the deaths of her kin. The grief is a commandment: Each tear, according to one tradition, will be transformed in the afterlife into a pearl, and an angel will compensate them for their tears with a bucket of pearls that will be signs of their devotion when they arrive at the gate of paradise. But for now the bodily fluids are flowing, wiped away occasionally by bare hands, and the crowd is getting denser. A metal cage surrounds the tomb itself, and when the weeping pilgrims reach it, they interlace their fingers with its bars, and many press their face against it, fogging up the shiny metal with their breath. Some linger for minutes, some for seconds. In a single day, many thousands pass through the same cramped space—breathing the same air, touching the same surfaces, trading new and exotic diseases.

Last month, Juan Guaidó appeared in Washington in the role of political totem. Venezuela’s main opposition leader—the man who is recognized by that country’s National Assembly, millions of his fellow citizens, and several dozen foreign countries as the rightful president of Venezuela—was one of the special guests at the State of the Union address. President Donald Trump welcomed Guaidó as living evidence that his own administration was “standing up for freedom in our hemisphere” and had “reversed the failed policies of the previous administration”; he called Venezuela’s current leader, Nicolás Maduro, an illegitimate ruler whose “grip on tyranny will be smashed and broken.” He gave no details of how that would happen. Trump, who has never been to Venezuela or shown any prior interest in it—or, for that matter, shown any interest in freedom anywhere else —presumably knows that the country matters to some voters in South Florida. To their credit, members of Congress gave a bipartisan standing ovation to Guaidó nevertheless.

The scene is one many of us have somewhere in our family history: Dozens of people celebrating Thanksgiving or some other holiday around a makeshift stretch of family tables—siblings, cousins, aunts, uncles, great-aunts. The grandparents are telling the old family stories for the 37th time. “It was the most beautiful place you’ve ever seen in your life,” says one, remembering his first day in America. “There were lights everywhere … It was a celebration of light! I thought they were for me.”

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The oldsters start squabbling about whose memory is better. “It was cold that day,” one says about some faraway memory. “What are you talking about? It was May, late May,” says another. The young children sit wide-eyed, absorbing family lore and trying to piece together the plotline of the generations.

Some bad outcomes, you half expect: This time the mammogram will detect an abnormality; this time the cop will notice you were 10 miles over the speed limit; this time the IRS is serious about a total audit. But you don’t expect that your luxury cruise from Japan will harbor a killer virus, resulting in your being returned to the U.S. in a cargo plane that lands at a remote Air Force base where you are ordered into federal quarantine for a minimum of two weeks, leaving you without rights, without agency, and on the wrong side of a heavily guarded fence.

At least, I didn’t expect any of this, even though I wrote a thriller set on a cruise ship—or perhaps in part because I wrote a thriller set on a cruise ship, and figured my imagination was more fevered than reality. I had imagined a murder mystery with medical clues, but I had not imagined this. I had prepared for everything, but I had not prepared for this.

This is going to sound preposterous, but I promise it’s true: Earth has another moon.

It is not the kind that will illuminate the night sky. It’s invisible to the naked eye and too tiny to do any classic moon moves, like tugging on the planet’s oceans. But it’s there, orbiting the Earth, accompanying us on our journey around the sun.

A pair of astronomers discovered the miniature moon on the night of February 15. It showed up in the nightly observations of the Catalina Sky Survey, a NASA-funded project in Arizona. The survey is designed to study asteroids and comets near Earth, the kind that could potentially menace the planet if they got too close. To Kacper Wierzchos and Teddy Pruyne, the mystery object appeared as a few pixels of light moving quickly across a dusky, fixed background.

Erin Pizzey ought to be a feminist hero. In 1971, she founded the first women’s refuge in Britain, with no money and no official support beyond the use of a run-down public-housing block with four rooms, a galley kitchen, and a toilet. At that house in Chiswick, West London, hundreds of women received help to escape abusive partners and rebuild their lives. It was also a community center where women could get help with claiming welfare benefits, starting divorce proceedings, and dealing with alcohol and drug abuse.

By 2017, there were 276 such sites in England, with 3,798 beds. Pizzey’s work in Chiswick led to the creation of Refuge, which is now the largest charity of its kind in England. It has an annual income of £13.3 million ($17 million) and employs more than 200 people.

“We hold these truths to be self evident.” Say these words, and many Americans will be able to recite what follows: “that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happiness.” The opening words of the Declaration of Independence—and easily its most remembered part—are widely celebrated as signifying the beginning of an exceptional American history, one characterized, despite setbacks, by a progressive expansion of rights.

The closing words of the Declaration are far less known. The last of a list of 27 grievances against King George III, they read as follows: “He has excited domestic insurrections amongst us, and has endeavored to bring on the inhabitants of our frontiers, the merciless Indian savages whose known rule of warfare, is an undistinguished destruction of all ages, sexes, and conditions.” These words call attention to hard truths about America’s founding that have often been brushed aside.

It can be hard to comprehend the true scope of something as disastrous as the opioid epidemic. Perhaps that’s why it’s been compared with falling 747s and crashing cars. But in fact, knowing exactly how many people have perished is crucial to stopping the deaths.

That’s why Elaine Hill and Andrew Boslett, economists at the University of Rochester, were so concerned when they found that many potential opioid deaths aren’t counted as such. In the fall of 2018, Hill and Boslett were studying how deaths from overdoses of opioids, such as heroin or OxyContin, were influenced by the decline of coal mining and the rise of shale gas fracking. But when they began looking at death records of Americans who had died of drug overdoses, they noticed that in more than 20 percent of the cases, the record said the type of drug could not be specified, perhaps because an autopsy had not been performed. In other words, the person had died of a drug overdose, but the death record didn’t say which drug.