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What, really, would Maria Montessori have made of this scene? The 30 or so children here were not down at the shore poking their fingers in the sand or running them along mossy stones or digging for hermit crabs. Instead they were all inside, alone or in groups of two or three, their faces a few inches from a screen, their hands doing things Montessori surely did not imagine. A couple of 3-year-old girls were leaning against a pair of French doors, reading an interactive story called Ten Giggly Gorillas and fighting over which ape to tickle next. A boy in a nearby corner had turned his fingertip into a red marker to draw an ugly picture of his older brother. On an old oak table at the front of the room, a giant stuffed Angry Bird beckoned the children to come and test out tablets loaded with dozens of new apps. Some of the chairs had pillows strapped to them, since an 18-month-old might not otherwise be able to reach the table, though she’d know how to swipe once she did.

"In 1941, sadness is at its peak," Bentley says.

Which brings us to the most surprising finding of the study: We think of modern culture — and often ourselves — as more emotionally open than people in the past. We live in a world of reality television and blogs and Facebook — it feels like feelings are everywhere, displayed to a degree that they never were before. But according to this research, that's not so.

The idea that youth is wasted on the young? Wrong. Martin Luther King, Jr. and the creators of Superman were all under 30 when they wrote themselves into history. In this inspirational TEDYouth 2011 Talk, Brad Meltzer encourages us to dream big, work hard, and stay humble.

People have long seen faces in the Moon, in oddly-shaped vegetables and even burnt toast, but a Berlin-based group is scouring the planet via satellite imagery for human-like features. What's behind our desire to see faces in our surroundings, asks Lauren Everitt. Most people have never heard of pareidolia. But nearly everyone has experienced it. Anyone who has looked at the Moon and spotted two eyes, a nose and a mouth has felt the pull of pareidolia. It's "the imagined perception of a pattern or meaning where it does not actually exist", according to the World English Dictionary. It's picking a face out of a knotted tree trunk or finding zoo animals in the clouds.

The human mind is incredibly averse to uncertainty and ambiguity; from an early age, we respond to uncertainty or lack of clarity by spontaneously generating plausible explanations. What’s more, we hold on to these invented explanations as having intrinsic value of their own. Once we have them, we don’t like to let them go.

Heightened need for cognitive closure can bias our choices, change our preferences, and influence our mood. In our rush for definition, we tend to produce fewer hypotheses and search less thoroughly for information. We become more likely to form judgments based on early cues (something known as impressional primacy), and as a result become more prone to anchoring and correspondence biases (using first impressions as anchors for our decisions and not accounting enough for situational variables). And, perversely, we may not even realize how much we are biasing our own judgments.

In 2010, Kruglanski and colleagues looked specifically at the need for cognitive closure as part of the response to terrorism.

A victim of childhood sex abuse was allowed to end her life under Dutch euthanasia laws after doctors and psychiatrists concluded that the woman's post-traumatic stress disorder and physical health were incurable. The death of the Dutch woman in her 20s has fuelled the ongoing debate on the ethics of euthanasia in Britain, with some MPs arguing that allowing a victim of sex abuse to die is equivalent to punishing the victim.

Female impersonators, midgets, hermaphrodites, tattooed (all over) men, an albino sword swallower, a human pincushion, a Jewish giant: “Characters in a Fairy Tale for Grown Ups” is the way Diane Arbus once described her subjects—“people who appear like metaphors somewhere further out than we do,” she also said, “invented by belief.”

Among the defenders of the project, however, is Anne Churchland, a neuroscientist at Cold Spring Harbor Laboratory who studies how people make decisions. In 2001, she started Anne’s List, a directory of 170 women in computational neuroscience, intended to silence claims that no good female scientists existed in that field.Her research suggests that someone you recently had lunch with or someone from your hometown might spring to mind when selecting a speaker, even though neither has anything to do with science.“It doesn’t feel like irrelevant information influences our judgment, but it does,” Dr. Churchland said.

The major finding was that irrationality — or what Professor Stanovich called “dysrationalia” — correlates relatively weakly with I.Q. A person with a high I.Q. is about as likely to suffer from dysrationalia as a person with a low I.Q.

Based on this evidence, Professor Stanovich and colleagues have introduced the concept of the rationality quotient, or R.Q. If an I.Q. test measures something like raw intellectual horsepower (abstract reasoning and verbal ability), a test of R.Q. would measure the propensity for reflective thought — stepping back from your own thinking and correcting its faulty tendencies.

Find out how and why the Earth's climate is changing

Should public money be spent to preserve these crumbling sites? Is controlled decay an option for anything associated with the NazIs? Or have Hitler and hIs architect, Albert Speer, locked future generations into a devilIsh pact that compels Germans not only to teach the hIstory of the Thousand Year Reich the NazIs proclaimed here but also to adapt it for each new era?Several dozen experts — and some curious citizens — gathered for a weekend recently to ponder such questions at a forum titled “Preserve. For what?”

y and large, faces are made up of the same, consistent features – two eyes, a nose, a mouth, some ears, and so on. One way in which our brains could process faces is to analyse them as a collection of these separate, individual features. If that were the case though, we might expect to be easier to pick out any discrepancies in an upside-down face. The fact that we don’t suggests that we process and recognise faces in a more holistic manner – in other words, we don’t just process individual features, but also the positions and relationships between those features.

If we want to achieve true animal rights, we need to stop having pets.  That's according to Gary Francione, a law professor who deals with animal rights, and a longtime vegan. He says keeping pets is just another way of exploiting animals.  And he says pets shouldn't exist.

Leah H. Somerville, a Harvard neuroscientist, sometimes finds herself in front of an audience of judges. They come to hear her speak about how the brain develops.It’s a subject on which many legal questions depend. How old does someone have to be to be sentenced to death? When should someone get to vote? Can an 18-year-old give informed consent?