Chart of the day, HFT edition

This is an amazing graph. Go to the link to see a full explanation

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This astonishing GIF comes from Nanex, and shows the amount of high-frequency trading in the stock market from January 2007 to January 2012. (Which means that the Knightmare craziness of last week is not included.)

The various colors, as identified in the legend on the right, are all the different US stock exchanges. You might think there are only two stock exchanges in the US, but you’d be wrong: there are only two exchanges where stocks are listed. There are many, many more exchanges where stocks are traded.

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Steve Mann is considered by many to be the world’s first cyborg. He has been using wearable computers that assist his vision since the 1970s. Now he wears a display screen over his right eye and is connected to a computer and the Internet. In this edited interview, he discusses “mediated reality”; the coming wearable-computing wars among Apple, Google and RIM; and the brain-computer interface.

Are you the first cyborg?

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Life of a Nantucket Surgeon

Dr. Lepore sounds like a great doctor whose practice of medicine reminds me of what it is often like to practice in the third world.
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In her new book, “Island Practice,” the New York Times reporter Pam Belluck tells the story of Dr. Timothy Lepore, a quirky 67-year-old physician who for the past 30 years has been the only surgeon working on the island of Nantucket. But Dr. Lepore (rhymes with peppery) is no ordinary surgeon. Life on an island, even one that has become a summer playground to the rich and famous, requires a certain amount of resourcefulness and flexibility.
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Blink and Block: Eye Makeup Adds SPF

Eye creams with SPF are standard fare — the skin around the eyes, after all, is among the most delicate and wrinkle-prone on the body — and now eye makeup is getting a boost of sun protection too. More and more concealers, and a few eye shadows, too, are claiming to ward off harmful UVA and UVB rays.

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Rachel Beckwith's Mom visits Ethiopia

Rachel Beckwith's Mom Visits Ethiopia. from charity: water on Vimeo.

Rat Heart Cells And Electricity Power This Silicone Cyborg Jellyfish

Yup, scientists have put all those crazy things together into one creature, with the hopes of one day finding a way to grow new parts of the human heart.

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The New Science Behind America's Deadliest Diseases

What do heart disease, diabetes, Alzheimer's, stroke and cancer have in common? Scientists have linked each of these to a condition known as chronic inflammation, and they are studying how high-fat foods and excess body weight may increase the risk for fatal disorders.
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Inflammation is the body's natural response to injury and outside irritants. But when the irritants don't let up, because of a diet of high-fat foods, too much body fat and smoking, for example, the immune system can spiral out of control and increase the risk for disease. Experts say when inflammation becomes chronic it can damage heart valves and brain cells, trigger strokes, and promote resistance to insulin, which leads to diabetes. It also is associated with the development of cancer.
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"We've learned that abdominal fat tissue is a hotbed of inflammation that pours out all kinds of inflammatory molecules," Dr. Libby says. The most important step patients can take is to lose excess weight, which can reduce inflammation in a matter of weeks or months, he says.
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Greater dietary fiber consumption was associated with lower levels of C-reactive protein and other markers in the blood that signal inflammation, according to a new study involving nearly 600 adolescents published in the Journal of Clinical Endocrinology and Metabolism. Norman Pollock, a researcher at Georgia Health Sciences University and a co-author of the study, says one explanation may be that fiber is associated with higher levels of a protein hormone that improves insulin sensitivity, which in turn lowers levels of inflammation.

A combination of nutrients found in dairy food may also help ease inflammation in patients at risk for heart disease, stroke and diabetes. 

The Situation of Success

As Bryan explained to me, “it’s not that people’s ideology doesn’t matter, it’s just that their views on important issues can move around significantly depending on how they think about their own success. When they’re focused on their own talent and effort, they’re much less willing to contribute to the common good than when they pause to recognize that luck and help from other people played a big part in their ability to succeed.”
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Via Simoleon Sense

View from the International Space Station at Night

From Knate Myers: "Every frame in this video is a photograph taken from the International Space Station. All credit goes to the crews on board the ISS.

I removed noise and edited some shots in photoshop. Compiled and arranged in Sony Vegas.

Music by John Murphy - Sunshine (Adagio In D Minor)
itunes.apple.com/us/album/sunshine-music-from-motion/id297702863"

View from the ISS at Night from Knate Myers on Vimeo.

Nanoparticle Completely Eradicates Hepatitis C Virus

Researchers at the University of Florida (UF) have developed a nanoparticle that has shown 100 percent effectiveness in eradicating the hepatitis C virus in laboratory testing. 
The nanoparticle, dubbed a nanozyme, consists of a backbone made from gold nanoparticles and a surface with two biological components. One biological component is an enzyme that attacks and destroys the mRNA, which provides the recipe for duplicating the protein that causes the disease. The other biological part is the navigator, if you will. It is a DNA oligonucleotide that identifies the disease-related protein and sends the enzyme on course to destroy it.
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The Humans With Super Human Vision

An unknown number of women may perceive 
millions of colors invisible to the rest of us. One British scientist is trying to track them down and understand their extraordinary power of sight.

LinkResearchers suspect, though, that some people see even more. Living among us are people with four cones, who might experience a range of colors invisible to the rest. It’s possible these so-called tetrachromats see a hundred million colors, with each familiar hue fracturing into a hundred more subtle shades for which there are no names, no paint swatches. And because perceiving color is a personal experience, they would have no way of knowing they see far beyond what we consider the limits of human vision.

Troubled New York Hospitals Forgo Coverage for Malpractice

Several of the city’s most troubled hospitals are partially or completely uninsured for malpractice, state records show, forgoing what is considered a standard safeguard across the country.

Some have saved money to cover their liabilities, but others have used up their malpractice reserves, meaning that any future awards or settlements could come at the expense of patients’ care, and one hospital has closed its obstetric practice, in part out of fear of lawsuits.

Executives of these hospitals, most of which are in poor neighborhoods, say their dire financial circumstances and high premiums make it impractical to pay millions of dollars a year for insurance.

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Joan Didion, “On Self-Respect”

Although to be driven back upon oneself is an uneasy affair at best, rather like trying to cross a border with borrowed credentials, it seems to me now the one condition necessary to the beginnings of real self-respect. Most of our platitudes notwithstanding, self-deception remains the most difficult deception.
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In brief, people with self-respect exhibit a certain toughness, a kind of mortal nerve; they display what was once called character, a quality which, although approved in the abstract, sometimes loses ground to other, more instantly negotiable virtues. The measure of its slipping prestige is that one tends to think of it only in connection with homely children and United States senators who have been defeated, preferably in the primary, for reelection. Nonetheless, character – the willingness to accept responsibility for one’s own life – is the source from which self-respect springs.
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The Eyes Have It: Marketers Now Track Shoppers' Retinas

To find out what really draws their test shoppers' attention, companies likeProcter & Gamble Co., PG +1.81%Unilever UL +1.58% PLC and Kimberly-Clark Corp. KMB +0.62% are combining three-dimensional computer simulations of product designs and store layouts with eye-tracking technology. And that, in turn, is helping them roll out new products faster and come up with designs and shelf layouts that boost sales.

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Falling costs are helping to make the use of such technology more commonplace. A retina-tracking camera embedded in the rim of a computer screen and attached to special glasses or free standing typically costs $25,000 to $40,000, Dr. Wedel says. The information it collects can be used to form a "heat map" that uses color to show where people looked on a simulated shelf.

Some companies also attach bands to testers' heads to monitor brain-wave activity showing which designs trigger pleasurable responses, says David Johnston, a senior vice president at JDA Software Group Inc. JDAS +1.46%Companies also track involuntary facial expressions to gauge true emotional reaction, says Jonathan Asher, an executive vice president at marketing firm Perception Research Services International Inc.

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Vital Signs "We Can Take His Heart Out, Remove the Tumor, and Put It Back In"

My own heart sank. Primary tumors, which originate in tissues rather than spreading there from some other place in the body, are uncommon in the heart. They occur in less than 0.05 percent of autopsies. Seventy-five percent of them are benign, but this one did not look harmless. Benign tumors typically grow out from the surface of the cardiac wall like a mushroom on a stalk; malignant tumors look more like a bulge of varying thickness in the wall. Most cardiac surgeons will encounter only a few benign primary tumors in a career, and many will never deal with a malignant one.

“If we were to think about removing it,” I asked, “how would we approach it?”

“How old is the patient?”

“Thirty-seven,” I answered.

“Any history of coronary disease?”

“The transfer notes don’t mention anything.”

“Good,” said Mike. “There might be one way to remove this, but it is drastic. We can take his heart out of his body, remove the tumor, reconstruct the heart, and put it back in.”

“Okay…wow,” was all I could say.

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Where is Matt 2012

What a a great idea Matt has...and has been living...
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Seeking a Laptop? What You Need to Know

David Pogue (NYtimes) guide to laptop shopping


So here’s a guide to help you figure out what’s worth paying attention to, and what you can skip.
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Obama’s Fantastic Boring Idea

The latest from Kristof..

The farm fields here are cemeteries of cornstalks: a severe drought has left them brown, withered and dead. Normally, a failed crop like that signifies starvation.

Then television cameras arrive and transmit images of famished children into American and European living rooms. Emergency food shipments are rushed in at huge expense.

Yet there is a better way, and it’s unfolding here in rural Malawi, in southern Africa. Instead of shipping food after the fact, the United States aid agency, U.S.A.I.D., has been working with local farmers to promote new crops and methods so that farmers don’t have to worry about starving in the first place.

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President Obama has made agriculture a focus of his foreign aid programs with mixed results. On the plus side, these initiatives are smart, cost-effective and potentially transformative. On the negative side, they’re boring. At a time when there’s a vigorous political debate in America about foreign aid, outreach to African farmers doesn’t wow Congress or the American people.

But if it’s boring, it’s also succeeding. I’m on my annual win-a-trip journey with a university student — this year, it’s Jordan Schermerhorn of Rice University — and we have seen fields here being irrigated for the first time, powered by foot pedal treadle pumps (resembling elliptical machines from an American gym).

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In Dieting, Magic Isn’t a Substitute for Science

We asked Dr. Jules Hirsch, emeritus professor and emeritus physician in chief at Rockefeller University, who has been researching obesity for nearly 60 years, about the state of the research. Dr. Hirsch, who receives no money from pharmaceutical companies or the diet industry, wrote some of the classic papers describing why it is so hard to lose weight and why it usually comes back.
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What would you tell someone who wanted to lose weight?

I would have them eat a lower-calorie diet. They should eat whatever they normally eat, but eat less. You must carefully measure this. Eat as little as you can get away with, and try to exercise more.

EyeMusic Sensory Substitution System to Help Navigate World in Audio

Researchers at Hebrew University in Jerusalem, Israel have developed a new, more intuitive way for blind people to perceive and interact with objects in the environment around them.  EyeMusic is a sensory substitution device (SSD) that converts visual input into audio output, and many have been attempted before. According to a study just published in journalRestorative Neurology and Neuroscience, EyeMusic is an effective system that users can quickly learn to use and that may one day lead to an effective interface for blind people.

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To treat genes, apply directly to the skin

Scientists have shown that they can deliver gene-regulation technology directly through the skin with regular moisturizers.

This first-time demonstration of the method indicates its great potential for life-saving therapies for skin cancers, say the researchers, who were led by a physician-scientist and a chemist from the fields of dermatology and nanotechnology.

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A Life-Death Predictor Adds to a Cancer’s Strain

In May 2011, Cassandra Caton, an 18-year-old with honey-colored hair and the soft features of a child, suddenly went blind in her right eye. Five months later, an ophthalmologist noticed something disturbing. A large growth in the back of her eye had ripped her retina, destroying her vision.

He sent her to Washington University in St. Louis, a three-hour drive from her sparsely furnished apartment in the working-class town of Sedalia, Mo.

And there, Ms. Caton, mother of a 2-year-old daughter, wife of a chicken factory worker, got almost incomprehensibly bad news. The growth was cancer, a melanoma, and it was so huge it filled her eyeball.

“Am I going to die?” Ms. Caton asked. “Is my baby going to have a mommy in five years?”

It is a question that plagues cancer patients. Doctors try to give survival odds based on a tumor’s appearance and size, but often that is just an educated guess.

But Ms. Caton had a new option, something that became possible only in this new genetic age. She could have a genetic test of her tumor that could reveal her prognosis with uncanny precision. The test identifies one of two gene patterns in eye melanomas. Almost everyone in Class 1 — roughly half of patients — is cured when the tumor is removed. As for those in Class 2, 70 to 80 percent will die within five years. Their cancers will re-emerge as growths in the liver. For them, there is no cure and no way to slow the disease.

No test has ever been so accurate in predicting cancer outcomes, researchers said.

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Bees can 'turn back time,' reverse brain aging

Scientists at Arizona State University have discovered that older honey bees effectively reverse brain aging when they take on nest responsibilities typically handled by much younger bees. While current research on human age-related dementia focuses on potential new drug treatments, researchers say these findings suggest that social interventions may be used to slow or treat age-related dementia. In a study published in the scientific journal Experimental Gerontology, a team of scientists from ASU and the Norwegian University of Life Sciences, led by Gro Amdam, an associate professor in ASU's School of Life Sciences, presented findings that show that tricking older, foraging bees into doing social tasks inside the nest causes changes in the molecular structure of their brains.

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Don't Indulge. Be Happy

The catch is that additional income doesn’t buy us any additional happiness on a typical day once we reach that comfortable standard. The magic number that defines this “comfortable standard” varies across individuals and countries, but in the United States, it seems to fall somewhere around $75,000. Using Gallup data collected from almost half a million Americans, researchers at Princeton found that higher household incomes were associated with better moods on a daily basis — but the beneficial effects of money tapered off entirely after the $75,000 mark.
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Yes, and it’s not even close. When we follow up with people who receive cash from us, those whom we told to spend on others report greater happiness than those told to spend on themselves. And in countries from Canada to India to South Africa, we find that people are happier when they spend money on others rather than on themselves.

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To be clear, having more goldfish (or more gold) doesn’t decrease our happiness — those first few crackers may provide a genuine burst of delight. But rather than focusing on how much we’ve got in our bowl, we should think more carefully about what we do with what we’ve got — which might mean indulging less, and may even mean giving others the opportunity to indulge instead.

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A New Treatment’s Tantalizing Promise Brings Heartbreaking Ups and Downs

Mrs. McDaniel, the 69-year-old wife of a retired corporate executive, had gambled on the ultimate in personalized medicine, an approach known as whole genome sequencing, and it seemed to be paying off.

Scientists had compared the entire genetic sequences of the tumor cells invading her body with those in her healthy cells, searching for mutated tumor genes that could be thwarted by drugs approved for other cancers or even other diseases. That had led them to give her an expensive drug approved just a month earlier formelanoma patients. It had never been given to anyone with a blood cell cancer like hers. In theory, the drug should have killed her. Instead, it seemed to have halted or even reversed her cancer.

But would it last? And what would it mean if it did not?

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Eating Dessert With Breakfast Helps Dieters

 

 

 

   

    Eating Dessert With Breakfast Helps Dieters (via redOrbit)

   

       Connie K. Ho for redOrbit.com Chocolate cake. Crème filled donuts. These are some of the options people can look forward to having for breakfast after a new study highlighted the role dessert has in breakfast for dieters. Researchers at Tel Aviv University recently found that a diet focused on dessert…

   

 

 

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Biologists grow human-eye precursor from stem cells

A stem-cell biologist has had an eye-opening success in his latest effort to mimic mammalian organ development in vitro. Yoshiki Sasai of the RIKEN Center for Developmental Biology (CBD) in Kobe, Japan, has grown the precursor of a human eye in the lab.

The structure, called an optic cup, is 550 micrometres in diameter and contains multiple layers of retinal cells including photoreceptors. The achievement has raised hopes that doctors may one day be able to repair damaged eyes in the clinic. But for researchers at the annual meeting of the International Society for Stem Cell Research in Yokohama, Japan, where Sasai presented the findings this week, the most exciting thing is that the optic cup developed its structure without guidance from Sasai and his team.

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The Mandate Can Stay, Supreme Court Says in Health Care Ruling

In a landmark ruling with wide-ranging implications, the Supreme Court today upheld the so-called individual mandate requiring Americans to buy health insurance or pay a penalty, the key part of President Obama's signature health care law.

The court ruled that the mandate is unconstitutional under the Constitution's commerce clause, but it can stay as part of Congress's power under a taxing clause. The court said that the government will be allowed to tax people for not having health insurance.

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Midnight in Harlem (Live from Atlanta)

An incredibly soulful couple--Susan Tedeschi on vocals and the incomparable Derek Trucks on slide guitar...Enjoy!
For the guitarists out there, Derek has a nice solo starting at 3:53
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Instagram inspires insta-resting Instaglasses concept

Instaglasses is a new product concept by German designer Markus Gerke. Influenced by Google's Project Glass, Gerke decided to combine the idea of a camera-capable pair of glasses with the various filters of the Instagram photo-sharing mobile app.
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The concept Gerke posted to Behance suggests a pair of Instagram-branded sunglasses with a 5-megapixel camera embedded in the frame. One eye views the world as it really is, while the other views the world through the filter selected by the wearer. If the wearer spots a scene worth shooting through the selected filter then they can take a photo right there and then with the single click of a button. Aside from the 5-MP pinhole camera Gerke's suggested specs include Wi-Fi and 4G connectivity, 2-GB of internal memory, and up to 7 hours of battery life.

Like recent versions of Instagram, Gerke suggests that the glasses will allow users to add filters while the shot is still being lined up, rather than simply applying filters retrospectively.

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Psychoacoustics: Where Sound Meets Your Brain

In this article, we’re going to have a close look at the tool we all use every day: the ear. This small organ has quite a few surprises in store for us. We’ll see that it’s literally crammed with equalizers and dynamic compressors, including a multi‑band one. It even includes an extremely efficient filter bank, as well as a highly sophisticated analogue‑to‑digital converter. Armed with this knowledge, sometimes referred to as ‘psychoacoustics’, we’ll discover numerous practical consequences for music production. Those include the choice of monitoring level, ideas for how to deal with bass frequencies in a mix, and a surprising antidote to frequency overlap.
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Melinda Gates On The Importance Of The Girl Effect

Melinda Gates has been a consistent voice for women around the world who are dealing with the wrenching circumstances of poverty. In an April 2012 TEDxChange talk, Gates called upon governments to establish universal access to birth control for women. The foundation plans to organize a world summit in London this summer to bring leaders together and raise $4 billion, the estimate of what it will cost to provide birth control to 120 million women in the developing world by 2020. “You simply cannot talk to real women about their lives and not hear the issue of family planning come up,” she says.

In a recent conversation, Fast Company discovered that Gates is a friend to, and supporter of, many of the other members of the League of Extraordinary Women.

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10 Countries Where Retirees Live Large

Retirement in the United States is nice and all, until they ask you to actually pay for stuff.

When retirees' nest eggs are a finite and dwindling resource, rising local and federal taxes can put even the staunchest, flag-draped patriotism to the test. If retirees are willing to leave the states behind, the savings can be substantial.
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Sold on the Feeling, if Not the Benefits to Health

And there are no good studies investigating why people keep exercising. Dr. Dishman and others suspect the motivation is sheer pleasure — feeling energized, a boost in mood, feeling restless and uncomfortable without exercise. And you may not be able to will yourself to have this response.
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Many scientists and doctors who are avid exercisers — and who know and understand the medical science — say they were never motivated by the thought of improving their heart risk factors.
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India in Race to Contain Untreatable Tuberculosis

MUMBAI—India's slow response to years of medical warnings now threatens to turn the country into an incubator for a mutant strain of tuberculosis that is proving resistant to all known treatments, raising alarms of a new global health hazard.
"We finally have ended up with a virtually untreatable strain" of tuberculosis in India, said Dr. Zarir Udwadia, one of the country's leading TB authorities.
In December, Dr. Udwadia reported in a medical journal that he had four tuberculosis patients resistant to all treatment. By January, he had a dozen cases, then 15.
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 Spread of the strain could return tuberculosis to the fatal plague that killed two-thirds of people afflicted, before modern treatments were developed in the 1940s, said Dr. Mario Raviglione, director of the Stop TB Department of the World Health Organization. The WHO is now assisting India to combat the strain.
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India has the largest number of the world's cases—2.3 million of the nearly nine million people afflicted annually—and it is the country's most fatal infectious illness. Government authorities estimated about 100,000 of India's patients have drug-resistant strains, which researchers say can mutate into forms increasingly immune to more and more medicines
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The Dirtiest Things in a Hotel Room Revealed

Want to stay away from germs during your next hotel stay? Then don’t turn on the TV or lights — new research shows that TV remotes and light switches are among the most contaminated items in hotel rooms.

Researchers from the University of Houston took bacteria samples from several items in hotel rooms in three regions of the United States. While the toilet and the sink were expected to have high levels of bacteria, researchers also found more surprising items with high contamination levels, such as the remote and the switch on the bedside lamp.

Hotel rooms “don’t have to have it ready for surgery,” said study researcher Jay Neal, a microbiologist at the University of Houston, but there certainly is room for improvement in their cleanliness.

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In Good Health? Thank Your 100 Trillion Bacteria

For years, bacteria have had a bad name. They are the cause of infections, of diseases. They are something to be scrubbed away, things to be avoided.

But now researchers have taken a detailed look at another set of bacteria that may play even bigger roles in health and disease: the 100 trillion good bacteria that live in or on the human body. 

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Finding A Place For Rwandan Orphans, Using A Model Created For Holocaust Survivors

It’s been almost 20 years since the Rwandan genocide, but its legacy still lives on in the parent-less children throughout the country.

There is currently no systemic solution to Rwanda’s orphan problem. But Heyman and her colleagues are trying to create one with the Agahozo-Shalom Youth Village, a residential community for orphaned high school students in rural Rwanda

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The Paleo Diet Moves From The Gym To The Doctor's Office

By now the paleo diet and lifestyle has inched from the fringe a little closer to the mainstream, thanks to some very passionate followers sold on the notion that our Paleolithic hunter-gatherer ancestors avoided modern day ailments like obesity and diabetes because they ate what some consider an "ideal" diet of meat, fruit and vegetables.

Maybe you've met paleo dieters through CrossFit, or seen them organizing MeetUpsonline, and been amazed that they've managed to swear off sugar, dairy, grains and beans.

But the paleo way is now moving beyond the gym and Web to an entirely new space — the doctor's office. There the somewhat amorphous idea of "evolutionary medicine" is taking shape

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Light-powered bionic eye invented to help restore sight

A retinal implant - or bionic eye - which is powered by light has been invented by scientists at Stanford University in California.
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A pair of glasses fitted with a video camera records what is happening before a patient's eyes and fires beams of near infrared light on to the retinal chip.
This creates an electrical signal which is passed on to nerves.
Natural light is 1,000 times too weak to power the implant.
The researchers said: "Because the photovoltaic implant is thin and wireless, the surgical procedure is much simpler than in other retinal prosthetic approaches.
"Such a fully integrated wireless implant promises the restoration of useful vision to patients blinded by degenerative retinal diseases."
The implant has not been tested in people, but has been shown to work in rats.

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For Some, Exercise May Increase Heart Risk

Could exercise actually be bad for some healthy people? A well-known group of researchers, including one who helped write the scientific paper justifying national guidelines that promote exercise for all, say the answer may be a qualified yes.
By analyzing data from six rigorous exercise studies involving 1,687 people, the group found that about 10 percent actually got worse on at least one of the measures related to heart disease: blood pressure and levels of insulin, HDL cholesterol or triglycerides. About 7 percent got worse on at least two measures. And the researchers say they do not know why.
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In Rat Experiment, New Hope for Spine Injuries

Rats with a spinal cord injury that left their hind legs completely paralyzed learned to walk again on their own after an intensive training course that included electrical stimulation of the brain and the spine, scientists reported on Thursday.

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In the study, a research team led by Grégoire Courtine of the Federal Institute of Technology in Lausanne, known as EPFL, gave a group of 10 rats the same surgical injury, cutting all direct nerve connections to the hind legs but stopping short of severing the spinal cord. The rats lost the use of their hind legs, but not their front legs.

The rats then began a daily regimen. Outfitted with tiny vests, held upright on their back legs but left to bear their full weight, the rats tried to move toward a piece of cheese that beckoned nearby. They lurched forward like furry paratroopers, unsteady on their feet after a hard landing. 

The scientists provided stimulation in three places: electrically, in the motor area of the brain and in the spinal cord below the injury, and chemically, infusing the wound area with drugs thought to promote growth.

And growth is what they got. After two to three weeks of 30-minute daily sessions, the rats began to take their first voluntary steps. After six weeks, all of the rats could walk on their own, and some could run and climb stairs.

A Richer Life by Seeing the Glass Half Full

In one study, adults shown to be pessimists based on psychological tests had higher death rates over a 30-year period than those who were shown optimistic. No doubt, the optimists were healthier because they were more inclined to take good care of themselves.
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Not Just About Being Positive

Murphy’s Law — “Anything that can go wrong will go wrong” — is the antithesis of optimism. In a book called “Breaking Murphy’s Law,” Suzanne C. Segerstrom, a professor of psychology at the University of Kentucky, explained that optimism is not about being positive so much as it is about being motivated and persistent.

Dr. Segerstrom and other researchers have found that rather than giving up and walking away from difficult situations, optimists attack problems head-on. They plan a course of action, getting advice from others and staying focused on solutions. Whenever my husband, a dyed-in-the-wool pessimist, said, “It can’t be done,” I would seek a different approach and try harder — although I occasionally had to admit he was right.

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She wrote, “People can learn to be more optimistic by acting as if they were more optimistic,” which means “being more engaged with and persistent in the pursuit of goals.”

If you behave more optimistically, you will be likely to keep trying instead of giving up after an initial failure. “You might succeed more than you expected,” she wrote. Even if the additional effort is not successful, it can serve as a positive learning experience, suggesting a different way to approach a similar problem the next time.

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Framing Your Thoughts

It’s important not to neglect the power of positive thinking. Both Dr. Segerstrom and the Mayo researchers recommend taking a few minutes at the end of each day to write down three positive things that happened that day, ending the day on an upbeat note.

The Mayo researchers offered these additional suggestions:

Avoid negative self-talk. Instead of focusing on prospects of failure, dwell on the positive aspects of a situation.

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Women of Minyore

NAKURU, KENYA – ‘Here is where I come every morning to collect plastics from the garbage.’ Lucy Wambui is 50 and with a stick she grubs through the garbage in the Gioto Dumping Site in Nakuru in central Kenya. It is early morning and the stench of the waste   already abhors. Lucy stays here with 30 other women forming the Minyore Women’s Group that sustains itself by selling art works made from garbage. ‘It’s not healthy living here, but we have nowhere else to go.’
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Dr. Leslie Saxon's Quest: iTunes For The Quantified Self

Feeling under the weather? In the future, you'll take out your smartphone--not to call your doctor, but to check your own vitals.

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Type of viral infection of eye associated with disease causing blindness in the elderly

A team of researchers, including a scientist from the Viral Immunology Center at Georgia State University, have found that a type of herpesvirus infection of the eye is associated with neovascular age-related macular degeneration (AMD), a disease that causes blindness in the elderly.
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First light: Scientists regenerate the optic nerve, restore some components of vision

Larry Benowitz, PhD, and colleagues at the F.M. Kirby Neurobiology Center at Boston Children’s Hospital, showed that mice with severe optic nerve damage can regain some depth perception, the ability to detect overall movement of the visual field, and perceive light, allowing them to synchronize their sleep/wake cycles. Findings were published online by the Proceedings of the National Academy of Sciences during the week of May 21.
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Just What's Inside Those Breasts?

When writer Florence Williams was nursing her second child, she read a research study about toxins found in human breast milk. She decided to test her own breast milk and shipped a sample to a lab in Germany.
What came back surprised her.

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Coffee Drinkers May Live Longer

Your morning cup of coffee may start to taste even better after a major government study found that frequent coffee drinkers have a lower risk of dying from a variety of diseases, compared with people who drink little or no coffee.

The report, published online in The New England Journal of Medicine on Wednesday, analyzed the coffee-drinking habits of more than 400,000 men and women ages 50 to 71, making it the largest-ever study of the relationship between coffee consumption and health.

Link

Over all, the risk of dying during the 14-year study period was about 10 percent lower for men and about 15 percent lower for women who drank anywhere from two cups to six or more cups of coffee a day. The association between coffee and lower risk of dying was similar whether the coffee drinker consumed caffeinated or decaffeinated coffee.