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Meanwhile, new research suggests, tens of thousands of reports are being published without English translations.

“Scientific knowledge generated in the field by non-native English speakers is inevitably under-represented, particularly in the dominant English-language academic journals,” Amano said. “This potentially renders local and indigenous knowledge unavailable in English.”

English wasn’t always the lingua franca, or common language, of science.

But doubling down on English may not be the best way to overcome the language barrier, researchers say. Instead, they argue, journals should supply translations of current scientific publications. To emphasize that point, authors included summaries of their new study in Spanish, Portuguese, Chinese, Japanese, and French.

Language barriers are also hamper the study of infectious diseases and medical sciences.

When we talk about the reef dying, what we are talking about are the corals that form the reef’s structure – the things that when in a good state of health can be splendorous enough to support about 69,000 jobs in Queensland and add about $6bn to Australia’s economy every year.

The Great Barrier Reef has suffered mass coral bleaching three times – in 1998, 2002 and 2016 – with a fourth episode now unfolding. The cause is increasing ocean temperatures.

So it seems we are now at a stage where absolutely nothing is real unless you have seen it for yourself,

Senator Pauline Hanson and her One Nation climate science-denying colleagues tried to pull a similar stunt last year by taking a dive on a part of the reef that had escaped bleaching and then claiming this as proof that everything was OK everywhere else.

Corals bleach when they are exposed to abnormally high ocean temperatures for too long. Under stress, the corals expel the algae that give them their colour and more of their nutrients.

After the 2016 bleaching, a quarter of all corals on the reef, mostly located in the once “pristine” northern section, died before there was a chance for recovery.

Essentially, the study found the only measure that would give corals on the reef a fighting chance was to rapidly reduce greenhouse gas emissions.

Some commentators have suggested a key cause of the 2016 bleaching was the El Niño weather pattern that tends to deliver warmer global temperatures. But Hughes says that before 1998, the Great Barrier Reef went through countless El Niños without suffering the extensive mass bleaching episodes that are being seen, photographed, filmed and documented now.

"We believe the tools we are developing will exponentially increase the involvement of the Indigenous people whose languages are threatened, without the need for difficult-to-attain levels of computer literacy,"

Until now endangered aboriginal languages were recorded in the presence of a linguist and selected native speakers with recording equipment

indigenous people whose languages are threatened can record and upload languages at their own pace and at times which suit them, he says, without requiring the presence of a specialist holding a microphone

"The ability provided by the tools we are developing to easily create, record and share language, images, and video, at the same time as building sustainable databases for future use, involves and empowers speakers of indigenous languages in a way which has not been possible before."

“In America, you almost need an excuse for knocking on a neighbor’s door,” Dr. Tang told me. “We want to break down those barriers.”

“You don’t need a playmate every day,” Dr. Tang said. “But knowing you’re valued and a contributing member of society is incredibly reaffirming.” Advertisement Continue reading the main story

A great paradox of our hyper-connected digital age is that we seem to be drifting apart. Increasingly, however, research confirms our deepest intuition: Human connection lies at the heart of human well-being. It’s up to all of us — doctors, patients, neighborhoods and communities — to maintain bonds where they’re fading, and create ones where they haven’t existed.

Mark Zuckerberg is 3.17 degrees of separation from all Facebook users.

The typical Facebook user has 155 friends, but only describes 50 of them as friends in real life, according to a 2014 study from the Pew Research Center. Thirty-five percent of people have Facebook friends they've never met in person.

The original "six degrees of separation" experiment required people to know each other fairly well: They had to be on a first-name basis, at a time when society was slightly more formal, in order for the connection to count.

About one-third of the documents eventually reached the stockbroker, after a chain of, on average, six people — the six degrees of separation. It's a small world after all, Milgram concluded.

She found instead that Milgram's conclusions rested on a shaky foundation, and that class and race divided Americans more than his original paper admitted. The majority of Milgram's letters didn't make it to the Boston stockbroker. And further experiments that factored in class and race suggested that making connections across those barriers was even more challenging

While middle- and high-income people were able to find their targets regardless of their household income, low-income people could only connect with other low-income families, Kleinfeld wrote in a 2002 article in the journal Society.

The correct interpretation of Milgram, she argued, was not the optimistic conclusion that we're all only a few degrees of separation away. Instead, it's that there are still barriers that are insurmountable.

But the real divide is between people who are on Facebook and those who aren't on the internet at all. Facebook users make up about 62 percent of American adults but 72 percent of all internet users. Americans without the internet are disproportionately older, rural, and less educated. As Facebook users get closer, they might be becoming ever more isolated.

Spilling out of books onto wall tiles, ceramic vessels, glass lamps, textiles, mosque domes and building facades, it was both a sensual and ideological unifier, totalizingly utopian

Symbols were introduced to orchestrate the all-important recitation of its contents: indicators of where to pause, where to place emphasis, how to pronounce words.

Material preciousness became an end in itself, turning Qurans into prestige objects and political currency, valued as diplomatic gifts, as war booty and as pious, grace-earning donations to mosques and mausoleums.

I watched them as they looked intently at the manuscripts arrayed around us, and I knew they were seeing things I couldn’t see, and feeling things I couldn’t feel, because they could read the words.

I was aware — and this is an easy perception — of the larger barriers of unknowing that stand between art and understanding, and of the barriers that stand between cultures

it’s impossible to know for sure, but, according to one publisher’s estimate, book sales in the U.S. now make up no more than seven per cent of the company’s roughly seventy-five billion dollars in annual revenue.

A monopoly is dangerous because it concentrates so much economic power, but in the book business the prospect of a single owner of both the means of production and the modes of distribution is especially worrisome: it would give Amazon more control over the exchange of ideas than any company in U.S. history.

“The key to understanding Amazon is the hiring process,” one former employee said. “You’re not hired to do a particular job—you’re hired to be an Amazonian. Lots of managers had to take the Myers-Briggs personality tests. Eighty per cent of them came in two or three similar categories, and Bezos is the same: introverted, detail-oriented, engineer-type personality. Not musicians, designers, salesmen. The vast majority fall within the same personality type—people who graduate at the top of their class at M.I.T. and have no idea what to say to a woman in a bar.”

According to Marcus, Amazon executives considered publishing people “antediluvian losers with rotary phones and inventory systems designed in 1968 and warehouses full of crap.” Publishers kept no data on customers, making their bets on books a matter of instinct rather than metrics. They were full of inefficiences, starting with overpriced Manhattan offices.

For a smaller house, Amazon’s total discount can go as high as sixty per cent, which cuts deeply into already slim profit margins. Because Amazon manages its inventory so well, it often buys books from small publishers with the understanding that it can’t return them, for an even deeper discount

According to one insider, around 2008—when the company was selling far more than books, and was making twenty billion dollars a year in revenue, more than the combined sales of all other American bookstores—Amazon began thinking of content as central to its business. Authors started to be considered among the company’s most important customers. By then, Amazon had lost much of the market in selling music and videos to Apple and Netflix, and its relations with publishers were deteriorating

In its drive for profitability, Amazon did not raise retail prices; it simply squeezed its suppliers harder, much as Walmart had done with manufacturers. Amazon demanded ever-larger co-op fees and better shipping terms; publishers knew that they would stop being favored by the site’s recommendation algorithms if they didn’t comply. Eventually, they all did.

Brad Stone describes one campaign to pressure the most vulnerable publishers for better terms: internally, it was known as the Gazelle Project, after Bezos suggested “that Amazon should approach these small publishers the way a cheetah would pursue a sickly gazelle.”

ithout dropping co-op fees entirely, Amazon simplified its system: publishers were asked to hand over a percentage of their previous year’s sales on the site, as “marketing development funds.”

The figure keeps rising, though less for the giant pachyderms than for the sickly gazelles. According to the marketing executive, the larger houses, which used to pay two or three per cent of their net sales through Amazon, now relinquish five to seven per cent of gross sales, pushing Amazon’s percentage discount on books into the mid-fifties. Random House currently gives Amazon an effective discount of around fifty-three per cent.

In December, 1999, at the height of the dot-com mania, Time named Bezos its Person of the Year. “Amazon isn’t about technology or even commerce,” the breathless cover article announced. “Amazon is, like every other site on the Web, a content play.” Yet this was the moment, Marcus said, when “content” people were “on the way out.”

By 2010, Amazon controlled ninety per cent of the market in digital books—a dominance that almost no company, in any industry, could claim. Its prohibitively low prices warded off competition

In 2004, he set up a lab in Silicon Valley that would build Amazon’s first piece of consumer hardware: a device for reading digital books. According to Stone’s book, Bezos told the executive running the project, “Proceed as if your goal is to put everyone selling physical books out of a job.”

Lately, digital titles have levelled off at about thirty per cent of book sales.

The literary agent Andrew Wylie (whose firm represents me) says, “What Bezos wants is to drag the retail price down as low as he can get it—a dollar-ninety-nine, even ninety-nine cents. That’s the Apple play—‘What we want is traffic through our device, and we’ll do anything to get there.’ ” If customers grew used to paying just a few dollars for an e-book, how long before publishers would have to slash the cover price of all their titles?

As Apple and the publishers see it, the ruling ignored the context of the case: when the key events occurred, Amazon effectively had a monopoly in digital books and was selling them so cheaply that it resembled predatory pricing—a barrier to entry for potential competitors. Since then, Amazon’s share of the e-book market has dropped, levelling off at about sixty-five per cent, with the rest going largely to Apple and to Barnes & Noble, which sells the Nook e-reader. In other words, before the feds stepped in, the agency model introduced competition to the market

But the court’s decision reflected a trend in legal thinking among liberals and conservatives alike, going back to the seventies, that looks at antitrust cases from the perspective of consumers, not producers: what matters is lowering prices, even if that goal comes at the expense of competition. Barry Lynn, a market-policy expert at the New America Foundation, said, “It’s one of the main factors that’s led to massive consolidation.”

Publishers sometimes pass on this cost to authors, by redefining royalties as a percentage of the publisher’s receipts, not of the book’s list price. Recently, publishers say, Amazon began demanding an additional payment, amounting to approximately one per cent of net sales

brick-and-mortar retailers employ forty-seven people for every ten million dollars in revenue earned; Amazon employs fourteen.

Since the arrival of the Kindle, the tension between Amazon and the publishers has become an open battle. The conflict reflects not only business antagonism amid technological change but a division between the two coasts, with different cultural styles and a philosophical disagreement about what techies call “disruption.”

Bezos told Charlie Rose, “Amazon is not happening to bookselling. The future is happening to bookselling.”

n Grandinetti’s view, the Kindle “has helped the book business make a more orderly transition to a mixed print and digital world than perhaps any other medium.” Compared with people who work in music, movies, and newspapers, he said, authors are well positioned to thrive. The old print world of scarcity—with a limited number of publishers and editors selecting which manuscripts to publish, and a limited number of bookstores selecting which titles to carry—is yielding to a world of digital abundance. Grandinetti told me that, in these new circumstances, a publisher’s job “is to build a megaphone.”

it offers an extremely popular self-publishing platform. Authors become Amazon partners, earning up to seventy per cent in royalties, as opposed to the fifteen per cent that authors typically make on hardcovers. Bezos touts the biggest successes, such as Theresa Ragan, whose self-published thrillers and romances have been downloaded hundreds of thousands of times. But one survey found that half of all self-published authors make less than five hundred dollars a year.

The business term for all this clear-cutting is “disintermediation”: the elimination of the “gatekeepers,” as Bezos calls the professionals who get in the customer’s way. There’s a populist inflection to Amazon’s propaganda, an argument against élitist institutions and for “the democratization of the means of production”—a common line of thought in the West Coast tech world

“Book publishing is a very human business, and Amazon is driven by algorithms and scale,” Sargent told me. When a house gets behind a new book, “well over two hundred people are pushing your book all over the place, handing it to people, talking about it. A mass of humans, all in one place, generating tremendous energy—that’s the magic potion of publishing. . . . That’s pretty hard to replicate in Amazon’s publishing world, where they have hundreds of thousands of titles.”

By producing its own original work, Amazon can sell more devices and sign up more Prime members—a major source of revenue. While the company was building the

Like the publishing venture, Amazon Studios set out to make the old “gatekeepers”—in this case, Hollywood agents and executives—obsolete. “We let the data drive what to put in front of customers,” Carr told the Wall Street Journal. “We don’t have tastemakers deciding what our customers should read, listen to, and watch.”

book publishers have been consolidating for several decades, under the ownership of media conglomerates like News Corporation, which squeeze them for profits, or holding companies such as Rivergroup, which strip them to service debt. The effect of all this corporatization, as with the replacement of independent booksellers by superstores, has been to privilege the blockbuster.

The combination of ceaseless innovation and low-wage drudgery makes Amazon the epitome of a successful New Economy company. It’s hiring as fast as it can—nearly thirty thousand employees last year.

the long-term outlook is discouraging. This is partly because Americans don’t read as many books as they used to—they are too busy doing other things with their devices—but also because of the relentless downward pressure on prices that Amazon enforces.

he digital market is awash with millions of barely edited titles, most of it dreck, while r

Amazon believes that its approach encourages ever more people to tell their stories to ever more people, and turns writers into entrepreneurs; the price per unit might be cheap, but the higher number of units sold, and the accompanying royalties, will make authors wealthier

In Friedman’s view, selling digital books at low prices will democratize reading: “What do you want as an author—to sell books to as few people as possible for as much as possible, or for as little as possible to as many readers as possible?”

The real talent, the people who are writers because they happen to be really good at writing—they aren’t going to be able to afford to do it.”

Seven-figure bidding wars still break out over potential blockbusters, even though these battles often turn out to be follies. The quest for publishing profits in an economy of scarcity drives the money toward a few big books. So does the gradual disappearance of book reviewers and knowledgeable booksellers, whose enthusiasm might have rescued a book from drowning in obscurity. When consumers are overwhelmed with choices, some experts argue, they all tend to buy the same well-known thing.

These trends point toward what the literary agent called “the rich getting richer, the poor getting poorer.” A few brand names at the top, a mass of unwashed titles down below, the middle hollowed out: the book business in the age of Amazon mirrors the widening inequality of the broader economy.

“If they did, in my opinion they would save the industry. They’d lose thirty per cent of their sales, but they would have an additional thirty per cent for every copy they sold, because they’d be selling directly to consumers. The industry thinks of itself as Procter & Gamble*. What gave publishers the idea that this was some big goddam business? It’s not—it’s a tiny little business, selling to a bunch of odd people who read.”

Bezos is right: gatekeepers are inherently élitist, and some of them have been weakened, in no small part, because of their complacency and short-term thinking. But gatekeepers are also barriers against the complete commercialization of ideas, allowing new talent the time to develop and learn to tell difficult truths. When the last gatekeeper but one is gone, will Amazon care whether a book is any good? ♦

"The earlier they're introduced to a second language, the easier it will be for them to pick it up." Knowing a second (or third!) language could one day give your child an edge in an increasingly global workforce.

tend to have superior reading and writing skills in both languages, as well as better analytical and academic skills,

"Learning a language is a question of repeated high-quality exposure,"

"If a family reads a book to their child in Spanish as part of a bedtime routine, that's a lot of reading and a lot of learning over an extended period of time."

What you can expect: Results range from recognizing the language when it's spoken to being able to converse casually. The more time the child spends with the nanny or in bilingual daycare, the greater the proficiency. "It all depends on the amount and quality of the child's exposure,"

What you can expect: A bilingual tot, in time. Don't worry if he doesn't speak either language as adeptly as his monolingual peers at first. If your child is exposed to both languages the same amount, he will be able to speak both equally well by the time he goes to school.

If Spotify is right about our increasing willingness to try new stuff — and critics who follow the pop charts said it may be — the trend could upend how we think about music.

Until recently, because of the narrowcasting ethos of terrestrial radio, music was fiercely segregated by genre. In an era less bound by those niches and instead dominated by an online free-for-all, we may discover new artists more quickly than in the past — though, on the other side of the coin, we may also develop less fierce attachments to certain artists, flitting, as my children do, between anything and everything. For better or worse, streaming services may turn us into cultural nomads.

By suggesting tracks based on my activities and parts of the day, I found the service exposed me to music out of my comfort zone.

Programmers for radio stations also look at these services to decide what to add to their rotations.

“These were all songs that were different from what radio was playing, and radio tends to be a homogeneous medium,” Mr. Molanphy said.

Kimberley Ann Perkins O'Connor, who captured part of the incident on her phone, told CNN she overheard the boy joking to his mother about going into the water. Then, suddenly, there he was, being dragged by Harambe.

Some suggested the boy's parents should be held criminally responsible for the incident. An online petition seeking "Justice for Harambe" earned more than 100,000 signatures in less than 48 hours.

"We had a very difficult situation and we made a difficult call at the end. I'm not here to point fingers about fault," he said.

"We live in the real world, we make real decisions. People and kids can climb over barriers. We work hard to make sure this zoo is safe. People can climb over barriers, that's what happened."

Western lowland gorillas are critically endangered in the wild, numbering fewer than 175,000, according to the zoo. An additional 765 gorillas dwell in zoos worldwide.

Harambe was put down, a decision that left many wondering if the zoo was too quick to shoot.

Although it was the first incident of its kind at Cincinnati Zoo's Gorilla World exhibit since it opened in 1978, similar cases have occurred with very different outcomes.

The footage shows Jambo, a male gorilla, approaching the boy as if to check on him, extending a hand to stroke his back. When Merritt comes to, wailing, Jambo, seemingly startled by the cries, sets off in a different direction. Zookeepers immediately move in to save the boy.

This time, a female gorilla named Binti Jua picked up the unconscious boy, while carrying her own infant on her back, and guarded him from other gorillas.

not always the gentle giants the world saw in these two cases -- the animal advocacy group People for the Ethical Treatment of Animals said the larger concept of zoos is the root of the problem.

Maynard said the zoo plans to reopen the exhibit to the public after a thorough assessment.

The cerebrum has two halves, or hemispheres, that are further divided into four regions, or lobes. The frontal lobes, located behind the forehead, are involved with speech, thought, learning, emotion, and movement.

Behind them are the parietal lobes, which process sensory information such as touch, temperature, and pain.

At the rear of the brain are the occipital lobes, dealing with vision

Lastly, there are the temporal lobes, near the temples, which are involved with hearing and memory.

The second-largest part of the brain is the cerebellum, which sits beneath the back of the cerebrum.

diencephalon, located in the core of the brain. A complex of structures roughly the size of an apricot, its two major sections are the thalamus and hypothalamus

The brain is extremely sensitive and delicate, and so it requires maximum protection, which is provided by the hard bone of the skull and three tough membranes called meninges.

Want more proof that the brain is extraordinary? Look no further than the blood-brain barrier.

This led scientists to learn that the brain has an ingenious, protective layer. Called the blood-brain barrier, it’s made up of special, tightly bound cells that together function as a kind of semi-permeable gate throughout most of the organ. It keeps the brain environment safe and stable by preventing some toxins, pathogens, and other harmful substances from entering the brain through the bloodstream, while simultaneously allowing oxygen and vital nutrients to pass through.

One in five Americans suffers from some form of neurological damage, a wide-ranging list that includes stroke, epilepsy, and cerebral palsy, as well as dementia.

Alzheimer’s disease, which is characterized in part by a gradual progression of short-term memory loss, disorientation, and mood swings, is the most common cause of dementia. It is the sixth leading cause of death in the United States

50 million people suffer from Alzheimer’s or some form of dementia. While there are a handful of drugs available to mitigate Alzheimer’s symptoms, there is no cure.

Unfortunately, negative attitudes toward people who suffer from mental illness are widespread. The stigma attached to mental illness can create feelings of shame, embarrassment, and rejection, causing many people to suffer in silence.

In the United States, where anxiety disorders are the most common forms of mental illness, only about 40 percent of sufferers receive treatment. Anxiety disorders often stem from abnormalities in the brain’s hippocampus and prefrontal cortex.

Attention-deficit/hyperactivity disorder, or ADHD, is a mental health condition that also affects adults but is far more often diagnosed in children.

ADHD is characterized by hyperactivity and an inability to stay focused.

Depression is another common mental health condition. It is the leading cause of disability worldwide and is often accompanied by anxiety. Depression can be marked by an array of symptoms, including persistent sadness, irritability, and changes in appetite.

The good news is that in general, anxiety and depression are highly treatable through various medications—which help the brain use certain chemicals more efficiently—and through forms of therapy

I don’t think these tools will ever render learning foreign languages completely obsolete. Real conversation in the flowing nuances of casual speech cannot be rendered by a program, at least not in a way that would convey full humanity.

even if it may fail at genuine, nuanced conversation — for now, at least — technology is eliminating most of the need to learn foreign languages for more utilitarian purposes.

The old-school language textbook scenarios, of people reserving hotel rooms or ordering meals in the language of the country they are visiting — “Greetings. Please bring me a glass of lemonade and a sandwich!” — will now be obsolete

to actively enjoy piecing together how other languages work is an individual quirk, not a human universal

Obsessive language learners have come to call themselves the polyglot community over the past couple of decades, and I am one of them, to an extent. As such, I know well how hard it can be to recognize that most human beings are numb to this peculiar desire.

Most human beings are interested much less in how they are saying things, and which language they are saying them in, than in what they are saying.

Learning to express this what — beyond the very basics — in another language is hard. It can be especially hard for us Anglophones, as speaking English works at least decently in so many places

To polyglots, foreign languages are Mount Everests daring us to climb them — a metaphor used by Hofstadter in his article. But to most people, they are just a barrier to get to the other side of.

After all, despite the sincere and admirable efforts of foreign language teachers nationwide, fewer than one in 100 American students become proficient in a language they learned in school.

Because I love trying to learn languages and am endlessly fascinated by their varieties and complexities, I am working hard to wrap my head around this new reality. With an iPhone handy and an appropriate app downloaded, foreign languages will no longer present most people with the barrier or challenge they once did

Learning to genuinely speak a new language will hardly be unknown. It will continue to beckon, for instance, for those actually relocating to a new country. And it will persist with people who want to engage with literature or media in the original language, as well as those of us who find pleasure in mastering these new codes just because they are “there.”

In other words, it will likely become an artisanal pursuit, of interest to a much smaller but more committed set of enthusiasts. And weird as that is, it is in its way a kind of progress.

He announces his enmity to America by word and action every day. It is articulated in his insistence on the rightness of torture and the acceptable murder of noncombatants. It is self-evident in the threats he makes daily to destroy his political enemies, made only worse by the frivolity and transience of the tone of those threats. He makes his enmity to American values clear when he suggests that the Presidency holds absolute power, through which he will be able to end opposition—whether by questioning the ownership of newspapers or talking about changing libel laws or threatening to take away F.C.C. licenses

To say “Well, he would not really have the power to accomplish that” is to misunderstand the nature of thin-skinned authoritarians in power. They do not arrive in office and discover, as constitutionalists do, that their capabilities are more limited than they imagined. They arrive, and then make their power as large as they can.

If Trump came to power, there is a decent chance that the American experiment would be over. This is not a hyperbolic prediction; it is not a hysterical prediction; it is simply a candid reading of what history tells us happens in countries with leaders like Trump.

we do appear to be getting, in place of the once famous Big Lie of the nineteen-thirties, a sordid blizzard of lies. The Big Lie was fit for a time of processionals and nighttime rallies, and films that featured them. The blizzard of lies is made for Twitter and the quick hit of an impulse culture. Trump’s lies arrive with such rapidity that before one can be refuted a new one comes to take its place.

The American Republic stands threatened by the first overtly anti-democratic leader of a large party in its modern history—an authoritarian with no grasp of history, no impulse control, and no apparent barriers on his will to power.

The right thing to do, for everyone who believes in liberal democracy, is to gather around and work to defeat him on Election Day. Instead, we seem to be either engaged in parochial feuding or caught by habits of tribal hatred so ingrained that they have become impossible to escape even at moments of maximum danger.

Hitler wasn’t Hitler—until he was. At each step of the way, the shock was tempered by acceptance. It depended on conservatives pretending he wasn’t so bad, compared with the Communists, while at the same time the militant left decided that their real enemies were the moderate leftists, who were really indistinguishable from the Nazis.

Countries don’t really recover from being taken over by unstable authoritarian nationalists of any political bent, left or right—not by Peróns or Castros or Putins or Francos or Lenins

The nation may survive, but the wound to hope and order will never fully heal. Ask Argentinians or Chileans or Venezuelans or Russians or Italians—or Germans.

The national psyche never gets over learning that its institutions are that fragile and their ability to resist a dictator that weak.

My assumption is that language and experience mutually influence each other. Language not only captures experience, it conditions it. It sets expectations for experience and gives shape to it as it happens. What might register as inarticulateness can reflect a different way of understanding and experiencing the world.

The word “thing” has of course long played a versatile and generic role in our language, referring both to physical objects and abstract matters. “The thing is …” “Here’s the thing.” “The play’s the thing.” In these examples, “thing” denotes the matter at hand and functions as stage setting to emphasize an important point. One new thing about “a thing,” then, is the typical use of the indefinite article “a” to precede it. We talk about a thing because we are engaged in cataloging. The question is whether something counts as a thing. “A thing” is not just stage setting. Information is conveyed.

What information? One definition of “a thing” that suggests itself right away is “cultural phenomenon.” A new app, an item of celebrity gossip, the practices of a subculture. It seems likely that “a thing” comes from the phrase the coolest/newest/latest thing. But now, in a society where everything, even the past, is new — “new thing” verges on the redundant. If they weren’t new they wouldn’t be things.

Clearly, cultural phenomena have long existed and been called “fads,” “trends,” “rages” or have been designated by the category they belong to — “product,” “fashion,” “lifestyle,” etc. So why the application of this homogenizing general term to all of them? I think there are four main reasons.

First, the flood of content into the cultural sphere. That we are inundated is well known. Information besieges us in waves that thrash us against the shore until we retreat to the solid ground of work or sleep or exercise or actual human interaction, only to wade cautiously back into our smartphones. As we spend more and more time online, it becomes the content of our experience, and in this sense “things” have earned their name. “A thing” has become the basic unit of cultural ontology.

Second, the fragmentation of this sphere. The daily barrage of culture requires that we choose a sliver of the whole in order to keep up. Netflix genres like “Understated Romantic Road Trip Movies” make it clear that the individual is becoming his or her own niche market — the converse of the celebrity as brand. We are increasingly a society of brands attuning themselves to markets, and markets evaluating brands. The specificity of the market requires a wider range of content — of things — to satisfy it

Third, the closing gap between satire and the real thing. The absurd excess of things has reached a point where the ironic detachment needed to cope with them is increasingly built into the things themselves, their marketing and the language we use to talk about them. The designator “a thing” is thus almost always tinged with ironic detachment. It puts the thing at arm’s length. You can hardly say “a thing” without a wary glint in your eye.

Finally, the growing sense that these phenomena are all the same. As we step back from “things,” they recede into the distance and begin to blur together. We call them all by the same name because they are the same at bottom: All are pieces of the Internet. A thing is for the most part experienced through this medium and generated by it. Even if they arise outside it, things owe their existence as things to the Internet. Google is thus always the arbiter of the question, “Is that a real thing?”

“A thing,” then, corresponds to a real need we have, to catalog and group together the items of cultural experience, while keeping them at a sufficient distance so that we can at least feign unified consciousness in the face of a world gone to pieces.

an upsetting instance of knowledge gaps in the last decade was the profound misunderstanding of complex financial products that contributed to the market collapse of 2007. Investment banks were unable to protect themselves from exposure to these products, because only a few people (either buyers or sellers) understood exactly what was being sold. Those individuals who did comprehend these product structures ultimately made huge bets against the market using credit-default swaps. The willingness of companies like AIG to sell large quantities of credit-default swaps reflected a gap in their knowledge about the riskiness of products they were insuring.

To discover the things you can't explain, take a lesson from teachers. When you instruct someone else, you have to fill the gaps in your own knowledge

Explain concepts to yourself as you learn them. Get in the habit of self-teaching. Your explanations will reveal your own knowledge gaps and identify words and concepts whose meanings aren't clear.

Engage others in collaborative learning. Help identify the knowledge gaps of the people around you. Ask them to explain difficult concepts, even if you think everyone understands them

When you do uncover these gaps, treat them as learning opportunities, not signs of weakness.