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The surge of emotion that makes memories of embarrassment, triumph and disappointment so vivid can also reach back in time, strengthening recall of seemingly mundane things that happened just beforehand and that, in retrospect, are relevant, a new study has found.The report, published Wednesday in the journal Nature, suggests that the television detective’s standard query — “Do you remember any unusual behavior in the days before the murder?” — is based on solid brain science, at least in some circumstances.The findings fit into the predominant theory of memory: that it is an adaptive process, continually updating itself according to what knowledge may be important in the future.The new study suggests that human memory has, in effect, a just-in-case file, keeping seemingly trivial sights, sounds and observations in cold storage for a time in case they become useful later on.

Writing about your feelings, a practice long embraced by teenagers and folk singers, is now attracting attention as a path to good health. And a recent study suggests that reflecting on your emotions could help you get over a breakup. But, one of its authors says, journaling can have its downsides. is structured self-reflection, as some suggest, a healthy tuneup for the heart and head — or can it make hurt feelings worse?

“Probably the biggest empathy generator is cuteness: paedomorphic features such as large eyes, a large head, and a small lower face,” Steven Pinker, the Harvard psychologist, tells me. “Professional empathy entrepreneurs have long known this, of course, which is why so many charities feature photos of children and why so many conservation organizations feature pandas. Prettier children are more likely to be adopted, and baby-faced defendants get lighter sentences.”

An elderly Chinese woman is only able to speak English after suffering a stroke, it's been reported. Liu Jaiyu, a 94-year-old former English teacher, has found herself no longer able to speak Chinese after parts of her brain relating to native language were damaged by a cerebral infarction, the local Hunan TV reports. Television pictures show her in bed, answering simple questions in English, which means the nursing staff are having to brush up on their language skills. "She greets me in the morning using English, after she's eaten her meals in the afternoon she uses English," one nurse tells the TV. "My memory of the language isn't too good, sometimes I don't understand what she's saying!" A doctor at the hospital says that Ms Liu is suffering from paralysis of all her limbs, as well as an "obstacle" to her language functions. "It seems the part of her brain responsible for her mother tongue has been damaged, however the part that uses English has been preserved," Li Yanfang says. There have been rare cases where patients develop a different accent after a stroke, migraine or head trauma. But Ms Liu's case appears different because she has apparently turned to an already-learned language. Experts say that the complex Chinese language requires the use of both parts of the brain, while English only uses one side.

Turn on the radio in France in 1951 and you might have heard contributors extol the benefits of parents smacking their children. "I don't like slapping the face," one commentator says. "Slapping can harm the ears and the eyes, especially if it's violent. But everybody knows that smacking the bottom is excellent for the circulation of the blood." At the time, few would have seen that advice as abusive. It was another three decades before Sweden became the first European country to make smacking children illegal. More than 20 others have followed suit, but France has held out against the changing tide of parenting, with staunch resolve. In the wake of the European ruling this week, articles have appeared in the French media with titles such as "Smacking: A French Passion", and contributors have lined up on online forums to advocate the benefits of "la fessee", as it's known here. "We were really surprised by the response," says Christine Hernandez, a writer for France's most popular parenting magazine, Parents. "Many of our readers said that smacking is part of educating children. It's astonishing that parents still think that it's a good way to teach children how to behave. They think they have to impose their authority on children from time to time - it's part of French traditional upbringing."

"Ignoring our history doesn’t make it go away. It always ends up bubbling back up to the top at some point," Allen said. "It may be squished down for a while but it will always come up in different ways."

This  move prompted new academic programs at the university and, according to at least one advocate, served as a tipping point in the national trend toward confronting shameful pasts.

“If we are dealing with robots like they are real people, the law should recognize that those interactions are like our interactions with real people,” Weaver writes. “In some cases, that will require recognizing that the robots are insurable entities like real people or corporations and that a robot’s liability is self-contained.” + Here’s the problem: If we don’t define robots as entities with certain legal rights and obligations, we will have a very difficult time using them effectively. And the tool that we have for assigning those things is legal personhood.

Of course, the most rewarding part is the "Aha" moment, the excitement of discovery and enjoyment of understanding something new – the feeling of being on top of a hill and having a clear view. But most of the time, doing mathematics for me is like being on a long hike with no trail and no end in sight.

Today it is safe to say there are no unknown territories with dragons. However, it’s not quite true to say that every corner of the planet is charted. We may seem to have a map for everywhere, but that doesn’t mean they are complete, accurate or even trustworthy.For starters, all maps are biased toward their creator’s subjective view of the world. As Lewis Carroll famously pointed out, a perfectly objective and faithful 1:1 representation of the world would literally have to be the same size as the place it depicted. Therefore, mapmakers must make sensible design decisions in order to compress the physical world into a much smaller, flatter depiction. Those decisions inevitably introduce personal biases, however, such as our tendency to place ourselves at the centre of the world. “We always want to put ourselves on the map,” says Jerry Brotton, a professor of renaissance studies at Queen Mary University London, and author of A History of the World in 12 Maps. “Maps address an existential question as much as one that’s about orientation and coordinates.“We want to find ourselves on the map, but at the same time, we are also outside of the map, rising above the world and looking down as if we were god,” he continues. “It’s a transcendental experience.”

“I asked him, How long is ‘in perpetuity’?”“For you, 50 years,” Mr. de Montebello, the museum director, replied.

“Perpetuity is usually a matter of negotiation now,” said William D. Zabel, a lawyer representing the Fisher family, who had threatened to sue on their behalf 12 years ago when Lincoln Center considered changing the name at that time without its permission.“It’s like in ‘Alice in Wonderland’: ‘When I use a word, it means just what I choose it to mean — neither more nor less,’ ” he said.

Computers are very, very fast at making calculations. Moreover, they can be counted on to calculate faithfully—without getting tired or emotional or changing their mode of analysis in midstream. But this does not mean that computers produce perfect forecasts, or even necessarily good ones. The acronym GIGO (“garbage in, garbage out”) sums up this problem. If you give a computer bad data, or devise a foolish set of instructions for it to analyze, it won’t spin straw into gold. Meanwhile, computers are not very good at tasks that require creativity and imagination, like devising strategies or developing theories about the way the world works. Computers are most useful to forecasters, therefore, in fields like weather forecasting and chess where the system abides by relatively simple and well-understood laws, but where the equations that govern the system must be solved many times over in order to produce a good forecast. They seem to have helped very little in fields like economic or earthquake forecasting where our understanding of root causes is blurrier and the data is noisier. In each of those fields, there were high hopes for computer-driven forecasting in the 1970s and 1980s when computers became more accessible to everyday academics and scientists, but little progress has been made since then.

The bottom line is that in East Asia, the predilection toward using face-coverings to prevent exposure to bad air is something that predates the germ theory of disease, and extends into the very foundations of East Asian culture. In recent years, however, mask-wearing has become rooted in new and increasingly postmodern rationales.

Economics is a subject that polarises like few others. To some, it's an immoral calculating machine. To others, it's an amoral - not immoral, but amoral - science, descriptive pure and simple. To still more, it has a positively moral commitment to freedom by trying to increase people's choices.

What's puzzling is that morality so often comes thumping into it - when the subject has been taught for generations as if morality was someone else's job.