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Kelly's students, like all good con artists, built their stories out of small, compelling details to give them a veneer of veracity. Ultimately, though, they aimed to succeed less by assembling convincing stories than by exploiting the trust of their marks, inducing them to lower their guard. Most of us assess arguments, at least initially, by assessing those who make them. Kelly's students built blogs with strong first-person voices, and hit back hard at skeptics. Those inclined to doubt the stories were forced to doubt their authors. They inserted articles into Wikipedia, trading on the credibility of that site. And they aimed at very specific communities: the "beer lovers of Baltimore" and Reddit.

Reddit prides itself on winnowing the wheat from the chaff. It relies on the collective judgment of its members, who click on arrows next to contributions, elevating insightful or interesting content, and demoting less worthy contributions. Even Mills says he was impressed by the way in which redditors "marshaled their collective bits of expert knowledge to arrive at a conclusion that was largely correct." It's tough to con Reddit.

hoaxes tend to thrive in communities which exhibit high levels of trust. But on the Internet, where identities are malleable and uncertain, we all might be well advised to err on the side of skepticism.

countries with lower GDPs ranked higher for meaning. Toward the top were Sierra Leone, Togo, La

os, and Senegal, a

in the end it came down to religion

Even among countries with similar GDPs, the more religious ones reported higher levels of life meaning.

“Instead of relying on religion to give life meaning, people in wealthy societies today try to create their own meaning via their identity and self-knowledge,

“creating the meaning of your own life sounds very nice as an ideal, but in reality it may be impossible.”

My students are understandably preoccupied with money. They don’t have the privilege to not worry about it.

. The irony, though, is that many of these students aspire to go to a liberal-arts school but don’t necessarily understand its significance.

School can either perpetuate inequity through social reproduction or have a transformative effect and help students transcend it.

schools teaching the children of affluent families prepared those kids to take on leadership roles and nurtured their capacity for confident self-expression and argument.

Schools teaching children from low-income families focused on keeping students busy and managing behavior

While the vagueness stems from the lack of models in their communities, it also comes from the lack of imagination with which mentors have addressed their professed college plans. Students hear that being a doctor is great because doctors can make money, enjoy respect, and have a great life. They don’t hear that being a doctor is great because doctors possess the expertise to do great things.

College should be “sold” to all students as an opportunity to experience an intellectual awakening. All students should learn that privilege is connected to the pursuit of passions.

People are privileged to follow their hearts in life, to spend their time crafting an identity instead of simply surviving

The researchers studied a group of brain cells in the hippocampal region of the mouse brain. They found that they could create false associations between events and environments by artificially stimulating the neurons.

A member of the MIT team, Susumu Tonegawa, commented on the significance of the research in Science  magazine's weekly podcast:Independent of what is happening around you in the outside world, humans constantly have internal activity in the brain. So just like our mouse, it is quite possible we can associate what we happen to have in our mind with a bad or good high valence, online event. So, in other words, there could be a false association of what you have in your mind rather than what is happening to you, so this is a way we believe that at least some form of strong force memory observed in humans could be made. Because our study showed that the false memories and the genuine memories are based on very similar, almost identical, brain mechanisms, it is difficult for the false memory bearer to distinguish between them. So we can study this, because we have a mouse model now.

She became a science journalist. At first it was a lark, a way to get free press passes to conferences where she and her father could ask questions of the greatest minds in quantum mechanics, string theory and cosmology. But within a short time, as she started getting assignments, journalism became a calling, and an identity.

“If observers create reality, where do the observers come from?” But the great man responded in riddles. “The universe is a self-­excited circuit,” Wheeler said. “The boundary of a boundary is zero.” The unraveling of these mysteries propels the next 400 or so pages.

she has an epiphany — that for something to be real, it must be invariant — she flies home to share it with her father. They discuss her insight over breakfast at a neighborhood haunt, where they make a list on what they will affectionately call “the IHOP napkin.” They list all the possible “ingredients of ultimate reality,” planning to test each item for whether it is “real,” that is whether it is invariant and can exist in the absence of an observer.

their readings and interviews reveal that each item in turn is observer-dependent. Space? Observer-dependent, and therefore not real. Gravity, electromagnetism, angular momentum? No, no, and no. In the end, every putative “ingredient of ultimate reality” is eliminated, including one they hadn’t even bothered to put on the list because it seemed weird to: reality itself

What remained was an unsettling and essential insight: that “physics isn’t the machinery behind the workings of the world; physics is the machinery behind the illusion that there is a world.”

In the proposal, she clarifies how cosmology and quantum mechanics have evolved as scientists come to grips with the fact that things they had taken to be real — quantum particles, space-time, gravity, dimension — turn out to be ­observer-dependent.

They all had to be the same species.

was not surprising to find that Neanderthals and modern humans interbred, a clear expectation of the biological species concept.

I wonder when the penny will drop: when we have five pieces of a 5,000-piece jigsaw puzzle, every new bit that we add is likely to change the picture.

e identity of the fourth player remains unknown but it was an ancient lineage that had been separate for probably over a million years. H. erectus seems a likely candidate. Whatever the name we choose to give this mystery lineage, what these results show is that gene flow was possible not just among contemporaries but also between ancient and more modern lineages.

cientists succeeded in extracting the most ancient mitochondrial DNA so far, from the Sima de los Huesos site in Atapuerca, Spain.

We have built a picture of our evolution based on the morphology of fossils and it was wrong.

when we know how plastic - or easily changeable - skull shape is in humans. And our paradigms must also change.

e must abandon, once and for all, views of modern human superiority over archaic (ancient) humans. The terms "archaic" and "modern" lose all meaning as do concepts of modern human replacement of all other lineages.

he deep-rooted shackles that have sought to link human evolution with stone tool-making technological stages - the Stone Ages - even when we have known that these have overlapped with each other for half-a-million years in some instances.

e world of our biological and cultural evolution was far too fluid for us to constrain it into a few stages linked by transitions.

We have to flesh out the genetic information and this is where archaeology comes into the picture.

Rather than focus on differences between modern humans and Neanderthals, what the examples show is the range of possibilities open to humans (Neanderthals included) in different circumstances.

research using new technology on old archaeological sites, as at La Chapelle; and

both parents display the same work ethic has an amplified influence, but only in the case of calling-oriented offspring. As our capitalist society favors money and professional achievement, a child with two calling-oriented parents is more likely to have the confidence to ignore these societal pressures and pursue her dreams.

Children can affect their parents’ work ethic, too. Allowing people to bring their children into the office has been shown to boost efficiency and productivity—and could help raise that next generation of career-oriented workers.

Facebook researchers recently reported how the company had developed a powerful pattern-recognition system, called DeepFace, which had achieved near-human accuracy in identifying people’s faces.

To work, the technology needs a large data set, called an image gallery, containing the photographs or video stills of faces already identified by name. Software automatically converts the topography of each face in the gallery into a unique mathematical code, called a faceprint. Once people are faceprinted, they may be identified in existing or subsequent photographs or as they walk in front of a video camera.

Dr. Atick has been working behind the scenes to influence the outcome. He is part of a tradition of scientists who have come to feel responsible for what their work has wrought.

Is faceprinting as innocuous as photography, an activity that people may freely perform? Or is a faceprint a unique indicator, like a fingerprint or a DNA sequence, that should require a person’s active consent before it can be collected, matched, shared or sold?

A private high school in Los Angeles also has an FST system. The school uses the technology to recognize students when they arrive — a security measure intended to keep out unwanted interlopers. But it also serves to keep the students in line.“If a girl will come to school at 8:05, the door will not open and she will be registered as late,” Mr. Farkash explained. “So you can use the system not only for security but for education, for better discipline.”

As with many emerging technologies, the arguments tend to coalesce around two predictable poles: those who think the technology needs rules and regulation to prevent violations of civil liberties and those who fear that regulation would stifle innovation. But face recognition stands out among such technologies: While people can disable smartphone geolocation and other tracking techniques, they can’t turn off their faces.

To maintain the status quo around public anonymity, he says, companies should take a number of steps: They should post public notices where they use face recognition; seek permission from a consumer before collecting a faceprint with a unique, repeatable identifier like a name or code number; and use faceprints only for the specific purpose for which they have received permission. Those steps, he says, would inhibit sites, stores, apps and appliances from covertly linking a person in the real world with their multiple online personas.

hard as it is to admit one’s own errors, it’s much harder to admit that your entire political movement got it badly wrong. Inflation phobia has always been closely bound up with right-wing politics; to admit that this phobia was misguided would have meant conceding that one whole side of the political divide was fundamentally off base about how the economy works. So most of the inflationistas have responded to the failure of their prediction by becoming more, not less, extreme in their dogm

truly crazy positions are becoming the norm. A decade ago, only the G.O.P.’s extremist fringe asserted that global warming was a hoax concocted by a vast global conspiracy of scientists (although even then that fringe included some powerful politicians). Today, such conspiracy theorizing is mainstream within the party, and rapidly becoming mandatory; witch hunts against scientists reporting evidence of warming have become standard operating procedure, and skepticism about climate science is turning into hostility toward science in general.

the process of intellectual devolution seems to have reached a point of no return. And that scares me more than the news about that ice sheet.

Consider a person who has heard about a scientific discovery that deeply challenges her belief in divine creation—a new hominid, say, that confirms our evolutionary origins. What happens next, explains political scientist Charles Taber of Stony Brook University, is a subconscious negative response to the new information—and that response, in turn, guides the type of memories and associations formed in the conscious mind. "They retrieve thoughts that are consistent with their previous beliefs," says Taber, "and that will lead them to build an argument and challenge what they're hearing."

In other words, when we think we're reasoning, we may instead be rationalizing. Or to use an analogy offered by University of Virginia psychologist Jonathan Haidt: We may think we're being scientists, but we're actually being lawyers

Our "reasoning" is a means to a predetermined end—winning our "case"—and is shot through with biases. They include "confirmation bias," in which we give greater heed to evidence and arguments that bolster our beliefs, and "disconfirmation bias," in which we expend disproportionate energy trying to debunk or refute views and arguments that we find uncongenial.

That's not to suggest that we aren't also motivated to perceive the world accurately—we are. Or that we never change our minds—we do. It's just that we have other important goals b

esides accuracy—including identity affirmation and protecting one's sense of self—and often those make us highly resistant to changing our beliefs when the facts say we should.

This growing “publicness,” as it is sometimes called, comes with significant consequences for commerce, for political speech and for ordinary people’s right to privacy. There are efforts by governments and corporations to set up online identity systems.

He posited that because the Internet “can’t be made to forget” images and moments from the past, like an outburst on a train or a kiss during a riot, “the reality of an inescapable public world is an issue we are all going to hear a lot more about.”

“I’ve been a programmer for 13 years, and I’ve always been one of the only women and queer people in the room. I’ve been harassed, I’ve had people make suggestive comments to me, I’ve had people basically dismiss my expertise. I’ve gotten rape and death threats just for speaking out about this stuff.”

“We see these stories, ‘Why aren’t there more women in computer science and engineering?’ and there’s all these complicated answers like, ‘School advisers don’t have them take math and physics,’ and it’s probably true,” said Lauren Weinstein, a man who has spent his four-decade career in tech working mostly with other men, and is currently a consultant for Google.“But I think there’s probably a simpler reason,” he said, “which is these guys are just jerks, and women know it.”

once programming gained prestige, women were pushed out. Over the decades, the share of women in computing has continued to decline. In 2012, just 18 percent of computer-science college graduates were women, down from 37 percent in 1985, according to the National Center for Women & Information Technology.

Some 1.2 million computing jobs will be available in 2022, yet United States universities are producing only 39 percent of the graduates needed to fill them, the N.C.W.I.T. estimates.

an engineer at Pinterest has collected data from people at 133 start-ups and found that an average of 12 percent of the engineers are women.

Twenty percent of software developers are women, according to the Labor Department, and fewer than 6 percent of engineers are black or Hispanic. Comparatively, 56 percent of people in business and financial-operations jobs are women, as are 36 percent of physicians and surgeons and one-third of lawyers.

“It makes a hostile environment for me,” she said. “But I don’t want to raise my hand and call negative attention toward myself, and become the woman who is the problem — ‘that woman.’ In start-up culture they protect their own tribe, so by putting my hand up, I’m saying I’m an ‘other,’ I shouldn’t be there, so for me that’s an economic threat.”

“Many women have come to me and said they basically have had to hide on the Net now,” said Mr. Weinstein, who works on issues of identity and anonymity online. “They use male names, they don’t put their real photos up, because they are immediately targeted and harassed.”

“It’s a boys’ club, and you have to try to get into it, and they’re trying as hard as they can to prove you can’t,” said Ephrat Bitton, the director of algorithms at FutureAdvisor, an online investment start-up that she says has a better culture because almost half the engineers are women.

Writing code is a high-pressure job with little room for error, as are many jobs. But coding can be stressful in a different way, women interviewed for this article said, because code reviews — peer reviews to spot mistakes in software — can quickly devolve.

“Code reviews are brutal — ‘Mine is better than yours, I see flaws in yours’ — and they should be, for the creation of good software,” said Ellen Ullman, a software engineer and author. “I think when you add a drop of women into it, it just exacerbates the problem, because here’s a kind of foreigner.”

But some women argue that these kinds of initiatives are unhelpful.“My general issue with the coverage of women in tech is that women in the technology press are talked about in the context of being women, and men are talked about in the context of being in technology,” said a technical woman who would speak only on condition of anonymity because she did not want to be part of an article about women in tech.

potential for creating children from multiple parents is not limited to the halting of the passage of mitochondrial disorders.

these genetic engineering procedures raise both legal and ethical concerns. Legal issues include: Who are the legal parents of a child generated from genetic material obtained from multiple donors? Would such a child have the right to know the identity of all his gene donors? In an article to be published in the Harvard Journal of Law and Gender (in press), we propose a legal solution to address some of these issues

many ethical concerns raised by such technologies is whether these advances in reproductive medicine could lead to the creation of “designer babies,” in which parents select the genetic composition of their children for enhancement or for health reasons. The fear in creating designer babies is that it may herald a new era of “consumer eugenics” with potentially unknown consequences for humankind.

That the dust-up at Old Dominion made international headlines may indicate the outrage cycle is ever-churning and the bawdy tastes of cable news are unflinching—but it also hints at something worthwhile: that how women feel might finally be worthy of attention, and even corrective action, on college campuses and in wider culture.

Science is not a body of facts that emerge, like an orderly string of light bulbs, to illuminate a linear path to universal truth. Rather, science (to paraphrase Henry Gee, an editor at Nature) is a method to quantify doubt about a hypothesis, and to find the contexts in which a phenomenon is likely. Failure to replicate is not a bug; it is a feature. It is what leads us along the path — the wonderfully twisty path — of scientific discovery.

Arguments about what is most important for students to know prevent academic disciplines from ossifying. There may well be books or scholars that tradition has overlooked and are deserving of a place on the curriculum. Such debates throw open the question of how and why academic judgements are made; in so doing, they also expose the tyranny of identity politics within today’s universities.

Knowledge itself is increasingly viewed not as objective, but as ideologically loaded and representative of the perspectives of a dominant ruling elite. The problem, academic activists argue, is that not only are philosophers such as Mill, Nietzsche and Kant white men, but their work also reflects a worldview that is exclusive to white men and has little to offer anyone else. Within a couple of centuries, criticism of philosophy has moved from a focus on what philosophers think to who they are.