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Lawrence Hrubes

Meet Dan Barber: America's next foodie-in-chief - Salon.com - 0 views

www.salon.com/..._americas_next_foodie_in_chief

environment food economics ecology science TOK ethics

shared by Lawrence Hrubes on 26 May 14 - No Cached
  • As the unofficial spokespeople for our organic-eating, Food Network-watching ways, when chefs talk, Americans tend to listen. And Dan Barber — the farm-to-table icon behind restaurants Blue Hill in New York City and Blue Hill Stone Barns in Tarrytown — isn’t wasting his platform.Barber has given a wildly popular TED talk, been counted among TIME’s 100 most influential people, been appointed to the President’s Council on Fitness, Sports & Nutrition and, as of last week, authored a nearly 500-page book laying out a radical new vision for the future of food.So when Barber came out last weekend with a New York Times op-ed detailing the shortcomings of the farm-to-table movement he had previously helped promote, people paid attention. While we like to pat ourselves on the back for eating seasonally and locally, Barber’s contentious argument went, the foodie fad that grew to become the face of sustainable eating has failed to bring about the promised revolution. Industrial agriculture still rules, Barber argued. And as it keeps growing, more and more small farms and native prairie disappear under Big Ag’s plow.If we really care about changing our food system (as anyone who hopes to feed our growing world should), Barber believes we’re going to need a true revolution. And “The Third Plate“ is his thesis, over a decade in the works, for what that change must look like.Among other things, change means thinking holistically, embracing diversity in ingredient choice and cuisine, and shifting meat over from its vaulted place at the center of the dinner plate. But while the solutions Barber describes are frighteningly extensive, they also, in his telling, sound delicious. That, more than any warning about the consequences of continuing along with the status quo, could be thing that ends up making a difference.
markfrankel18

The Brain or the Universe - Where Does Math Come From? | The Kavli Foundation - 0 views

www.kavlifoundation.org/...kavli-origins-of-math

TOK math

shared by markfrankel18 on 24 Jan 15 - No Cached
  • Four scientists debate ideas on whether math is an inherent part of our reality, or merely something our brains use to cope with and explain our environment.
Lawrence Hrubes

The Power of Touch - The New Yorker - 0 views

www.newyorker.com/...power-touch

touch sensory perception perception science psychology health brain emotion experiment neuroscience

shared by Lawrence Hrubes on 04 Mar 15 - No Cached
  • At a home in the Romanian city of Iași, Carlson measured cortisol levels in a group of children ranging from two months to three years old. The caregiver-to-child ratio was twenty to one, and most of the children had experienced severe neglect and sensory deprivation. Multiple times a day, Carlson took saliva samples, tracking how cortisol levels fluctuated in response to stressful events. The children, she found, were hormonally off kilter. Under normal conditions, cortisol peaks just before we wake up and then tapers off; in the leagăne infants, it peaked in the afternoon and remained elevated. Those levels, in turn, correlated with faltering performance on numerous cognitive and physical assessments. Then Carlson tried an intervention modelled on the work of Joseph Sparling, a child-development specialist, and the outcomes changed. When half of the orphans received more touching from more caregivers—an increase in hugs, holding, and the making of small adjustments to clothes and hair—their performance markedly improved. They grew bigger, stronger, and more responsive, both cognitively and emotionally, and they reacted better to stress.
  • Touch is the first of the senses to develop in the human infant, and it remains perhaps the most emotionally central throughout our lives. While many researchers have appreciated its power, others have been more circumspect. Writing in 1928, John B. Watson, one of the originators of the behaviorist school of psychology, urged parents to maintain a physical boundary between themselves and their children: “Never hug and kiss them, never let them sit on your lap. If you must, kiss them once on the forehead when they say goodnight. Shake hands with them in the morning. Give them a pat on the head if they have made an extraordinarily good job on a difficult task.” Watson acknowledged that children must be bathed, clothed, and cared for, but he believed that excessive touching—that is, caressing—would create “mawkish” adults. An untouched child, he argued, “enters manhood so bulwarked with stable work and emotional habits that no adversity can quite overwhelm him.” Now we know that, to attain that result, he should have suggested the opposite: touch, as frequent and as caring as possible
  • And yet touch is rarely purely physical. Field’s more recent work has shown that the brain is very good at distinguishing an emotional touch from a similar, but non-emotional, one. A massage chair is not a masseuse. Certain touch receptors exist solely to convey emotion to the brain, rather than sensory information about the external environment. A recent study shows that we can identify other people’s basic emotions based on how they touch us, even when they are separated from us by a curtain. And the emotions that are communicated by touch can go on to shape our behavior. One recent review found that, even if we have no conscious memory of a touch—a hand on the shoulder, say—we may be more likely to agree to a request, respond more (or less) positively to a person or product, or form closer bonds with someone.
markfrankel18

You Are Here - Home | Ideas with Paul Kennedy | CBC Radio - 0 views

www.cbc.ca/...you-are-here-1.2965462

TOK perception

shared by markfrankel18 on 28 Feb 15 - No Cached
sleggettisp liked it
  • "How do you know where you are? What room you're in ? What town you're in and what state you're in?  And how do you go from your house to the grocery store? How do you move through the physical environment?" "Because we take it for granted.  It's only a problem when it goes wrong. But when it goes wrong it can be quite distressing and it can be lethal. I mean if you're really lost and you're in some some wilderness or something like that, it can be really bad. "
  • sleggettisp on 01 Mar 15
     
    One of the best radio shows there is!
adamdrazsky

The Assassination of Boris Nemtsov - The New Yorker - 3 views

www.newyorker.com/...assassination-in-moscow

shared by adamdrazsky on 28 Feb 15 - No Cached
sleggettisp liked it
  • Then why was he killed? Without knowing who gave the orders, it’s possible to understand that the current political environment allowed for this to happen. Over the past year, in the wake of the annexation of Crimea and the war in eastern Ukraine, Russia has seen the rise of a new, much coarser and more doctrinaire political language. During the first decade of Putin’s rule, the Kremlin depicted its opponents as freaks or idiots, but now they are portrayed as outright enemies of their country. In a triumphant address to parliament last March, as Russia was formalizing its takeover of Crimea, Putin warned of “a fifth column,” a “disparate bunch of national traitors” determined to sow discord inside the country. Its members were obvious, if at first unmentioned: people like Navalny, an anti-corruption activist who had become the most popular leader in the country’s fractured opposition; Aleksei Venediktov, the editor-in-chief of Echo of Moscow, a long-beleaguered radio station that is one of the last homes for critical and liberal voices; and of course Nemtsov, a recognizable face​from all his years in politics, and a favorite opponent of pro-Kremlin activists and propagandists.
  • adamdrazsky on 28 Feb 15
     
    How can we judge historical motives?
  • sleggettisp on 01 Mar 15
     
    Assassination tactic in Russian politics linked to your Nicholas II presentation (and what we have just done re Alexander II and III...)...unfortunately some things have yet to change :-(
Lawrence Hrubes

How Children Learn To Read - The New Yorker - 0 views

www.newyorker.com/...how-children-learn-read

TOK education language writing science neuroscience brain causation correlation

shared by Lawrence Hrubes on 14 Feb 15 - No Cached
  • Why is it easy for some people to learn to read, and difficult for others? It’s a tough question with a long history. We know that it’s not just about raw intelligence, nor is it wholly about repetition and dogged persistence. We also know that there are some conditions that, effort aside, can hold a child back. Socioeconomic status, for instance, has been reliably linked to reading achievement. And, regardless of background, children with lower general verbal ability and those who have difficulty with phonetic processing seem to struggle. But what underlies those differences? How do we learn to translate abstract symbols into meaningful sounds in the first place, and why are some children better at it than others?
  • When Hoeft took into account all of the explanatory factors that had been linked to reading difficulty in the past—genetic risk, environmental factors, pre-literate language ability, and over-all cognitive capacity—she found that only one thing consistently predicted how well a child would learn to read. That was the growth of white matter in one specific area of the brain, the left temporoparietal region. The amount of white matter that a child arrived with in kindergarten didn’t make a difference. But the change in volume between kindergarten and third grade did.
  • She likens it to the Dr. Seuss story of Horton and the egg. Horton sits on an egg that isn’t his own, and, because of his dedication, the creature that eventually hatches looks half like his mother, and half like the elephant. In this particular case, Hoeft and her colleagues can’t yet separate cause and effect: Were certain children predisposed to develop strong white-matter pathways that then helped them to learn to read, or was superior instruction and a rich environment prompting the building of those pathways?
markfrankel18

The Science of Why We Don't Believe Science | Mother Jones - 0 views

m.motherjones.com/...denial-science-chris-mooney

TOK bias reason emotion science psychology

shared by markfrankel18 on 06 Feb 15 - No Cached
  • "A MAN WITH A CONVICTION is a hard man to change. Tell him you disagree and he turns away. Show him facts or figures and he questions your sources. Appeal to logic and he fails to see your point."
  • The theory of motivated reasoning builds on a key insight of modern neuroscience (PDF): Reasoning is actually suffused with emotion (or what researchers often call "affect"). Not only are the two inseparable, but our positive or negative feelings about people, things, and ideas arise much more rapidly than our conscious thoughts, in a matter of milliseconds—fast enough to detect with an EEG device, but long before we're aware of it. That shouldn't be surprising: Evolution required us to react very quickly to stimuli in our environment. It's a "basic human survival skill," explains political scientist Arthur Lupia of the University of Michigan. We push threatening information away; we pull friendly information close. We apply fight-or-flight reflexes not only to predators, but to data itself. We apply fight-or-flight reflexes not only to predators, but to data itself. We're not driven only by emotions, of course—we also reason, deliberate. But reasoning comes later, works slower—and even then, it doesn't take place in an emotional vacuum. Rather, our quick-fire emotions can set us on a course of thinking that's highly biased, especially on topics we care a great deal about.
  • 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
  • ...2 more annotations...
  • A key question—and one that's difficult to answer—is how "irrational" all this is. On the one hand, it doesn't make sense to discard an entire belief system, built up over a lifetime, because of some new snippet of information.
  • Okay, so people gravitate toward information that confirms what they believe, and they select sources that deliver it. Same as it ever was, right? Maybe, but the problem is arguably growing more acute, given the way we now consume information—through the Facebook links of friends, or tweets that lack nuance or context, or "narrowcast" and often highly ideological media that have relatively small, like-minded audiences. Those basic human survival skills of ours, says Michigan's Arthur Lupia, are "not well-adapted to our information age."
markfrankel18

Climate affects development of human speech -- ScienceDaily - 1 views

www.sciencedaily.com/...150123102537.htm

TOK language

shared by markfrankel18 on 13 Feb 15 - No Cached
  • A correlation between climate and the evolution of language has been uncovered by researchers. To find a relationship between the climate and the evolution of language, one needs to discover an association between the environment and vocal sounds that is consistent throughout the world and present in different languages. And that is precisely what a group of researchers has done.
Lawrence Hrubes

Problems Too Disgusting to Solve - The New Yorker - 0 views

www.newyorker.com/...ater-problems-disgusting-solve

science psychology emotion human sciences perception reason

shared by Lawrence Hrubes on 22 Feb 15 - No Cached
  • last month, Bill Gates released a video of one of the latest ventures funded by the Bill and Melinda Gates Foundation: the Omniprocessor, a Seattle-based processing plant that burns sewage to make clean drinking water. In the video, Gates raises a glass of water to his lips. Just five minutes ago, the caption explains, that water was human waste. Gates takes a sip. “It’s water,” he says. “Having studied the engineering behind it,” he writes, on the foundation’s blog, “I would happily drink it every day. It’s that safe.”
  • In the first series of studies, the group asked adults in five cities about their backgrounds, their political and personal views, and, most important, their view on the concept of “recycled water.” On average, everyone was uncomfortable with the idea—even when they were told that treated, recycled water is actually safer to drink than unfiltered tap water. That discomfort, Rozin found, was all about disgust. Twenty-six per cent of participants were so disgusted by the idea of toilet-to-tap that they even agreed with the statement, “It is impossible for recycled water to be treated to a high enough quality that I would want to use it.” They didn’t care what the safety data said. Their guts told them that the water would never be drinkable. It’s a phenomenon known as contagion, or, as Rozin describes it, “once in contact, always in contact.” By touching something we find disgusting, a previously neutral or even well-liked item can acquire—permanently—its properties of grossness.
  • eelings of disgust are often immune to rationality. And with good reason: evolutionarily, disgust is an incredibly adaptive, life-saving reaction. We find certain things instinctively gross because they really can harm us. Human secretions pass on disease. Noxious odors signal that your surroundings may be unsafe. If something feels slimy and sludgy, it’s likely a moisture-rich environment where pathogens may proliferate. Disgust is powerful, in short, because it often signals something important. It’s easy, though, to be disgusted by things that aren’t actually dangerous. In a prior study, Rozin found that people were unwilling to drink a favorite beverage into which a “fully sterilized” cockroach had been dipped. Intellectually, they knew that the drink was safe, but they couldn’t get over the hump of disgust. In another experiment, students wouldn’t eat chocolate that had been molded to look like poop: they knew that it was safe—tasty, even—but its appearance was too much to handle. Their response makes no logical sense. When it comes to recycled water, for instance, Rozin points out that, on some level, all water comes from sewage: “Rain is water that used to be in someone’s toilet, and nobody seems to mind.” The problem, he says, has to do with making the hidden visible. “If it’s obvious—take shit water, put it through a filter—then people are upset.”
  • ...1 more annotation...
  • Disgust has deep psychological roots, emerging early in a child’s development. Infants and young toddlers don’t feel grossed out by anything—diapers, Rozin observes, are there in part to stop a baby “from eating her shit.” In the young mind, curiosity and exploration often overpower any competing instincts. But, at around four years old, there seems to be a profound shift. Suddenly, children won’t touch things that they find appalling. Some substances, especially human excretions of any sort, are seen as gross and untouchable all over the world; others are culturally determined. But, whether universal or culturally-specific, the disgust reactions that we acquire as children stay with us throughout our lives. If anything, they grow stronger—and more consequential—with age.
Lawrence Hrubes

Mathematicians and Blue Crabs - NYTimes.com - 1 views

www.nytimes.com/...ematicians-and-blue-crabs.html

math science ecology models prediction environment statistics animals

shared by Lawrence Hrubes on 03 May 15 - No Cached
  • The math behind these formulas may be elegant, but applying them is more complicated.
  • Although a definitive cause has yet to be identified, one thing is clear: Mathematical models failed to predict it.
  • For instance, it was long believed that a blue crab’s maximum life expectancy was eight years. This estimate was used, indirectly, to calculate crab mortality from fishing. Derided by watermen, the life expectancy turned out to be much too high; this had resulted in too many crab deaths being attributed to harvesting, thereby supporting charges of overfishing.
  • ...1 more annotation...
  • Randomness is built into biological processes, so predicting a population is never going to be like calculating the interest on a bank account. The best we can do is use available science to make educated guesses about various outcomes. “The models we use are not universally predictive in the sense that Newton’s laws are; they are more like the weather forecast,” says Dr. Miller.
Lawrence Hrubes

BBC News - Mathematics: Why the brain sees maths as beauty - 2 views

www.bbc.co.uk/...science-environment-26151062

TOK maths math beauty emotion

shared by Lawrence Hrubes on 13 Feb 14 - No Cached
  • Lawrence Hrubes on 13 Feb 14
     
    "Brain scans show a complex string of numbers and letters in mathematical formulae can evoke the same sense of beauty as artistic masterpieces and music from the greatest composers."
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