Since Edmund Hillary and Tenzing Norgay climbed Mount Everest, Mount Qomolangma's peak is no longer a lonely place and is turning into a trash heap.

    So far, more than 350 climbers have successfully reached the peak. And they have complained about waiting for hours in the bottlenecks (狭窄路段) on the way to the peak, a situation that isn't just uncomfortable — it's cold and windy up there — but downright dangerous. If bad weather strikes, climbers can and do die.

    As a matter of fact, the dangerous crowds aren't the only problem on Qomolangma. All those climbers need to bring a lot of gear—and much of them ends up being left on the mountain, sometimes even the peak itself. Mount Qomolangma is becoming the world's largest dump. Here's mountaineer Mark Jenkins writing in National Geographic about the state of Qomolangma: “The two standard routes, the Northeast Ridge and the Southeast Ridge, are disgustingly polluted with oxygen cans and torn tents everywhere.”

    But the good news is that some mountaineers are taking it upon themselves to clean up Qomolangma. Mountianeer Paul Thelen and his friend Eberhard Schaaf are part of the annual Eco Everest Expedition, which has been cleaning up rubbish from base camps to the peak since 2008. So far they've collected over 13 tons of garbage.

    Some of that rubbish is even being used for a higher purpose. As part of the Mount Everest 8844 Art Project, a group of 15 artists from Nepal collected 1.5 tons of garbage brought down the mountain by climbers. They've transformed the cans and oxygen tanks—and in one case, part of the remains of a helicopter—into 74 pieces of art that have already gone on exhibition in Nepal's capital. Part of the profit from sales will go to the Everest Peakers Association, which has helped collect tons of rubbish on the slopes of the mountain.

    When we think of a generation gap we usually think of conflicting tastes in music, or pastimes. But now the generation gap is handwriting. After one teacher in Tennessee discovered that she had students who couldn't read the assignments she was writing on the board, she posted it on the Internet saying handwriting should be taught in schools.

    Opponents claim that handwriting has become out of time in our modern world. Typed words have become a primary form of communication. Once a practical skill, handwriting is no longer used by the vast majority of Americans. It is no longer taught in schools, and some claim that the time that it would take to teach it could be put to better use, for instance, by teaching the technical skills.

    But even in today's world there are still plenty of reasons to pick up a pen and apply it to paper. Many American institutions still require original signatures, for instance, signing for a registered letter and buying a house. And original signatures are much more difficult to forge（伪造）than their digital counterparts. There is also strong evidence that writing by hand is good for the mind. It activates a different part of the brain, and improves fine moving skills in young children. People also tend to remember what they write by hand more than what they type, and the process of writing by hand has been shown to stimulate ideas. Not only that, studies have shown that kids who write by hand learn to read and spell earlier than those who don't. Not to mention, handwriting is pleasing, as is evidenced by the fact that no one has ever typed a love letter. And handwriting remains popular as an art form.

    Yes we live in a modern world, but we live in a modern world that is based on fundamental values.

    It was warm for a Sunday afternoon in early January. Kevin loved being outdoors among the wild rosebushes in front of his house with a view of distant mountains.

    It had been a good day for his wife, Sharon, too. They spent the morning in front of the house, talking and drinking tea. Sharon felt strong and tried her best to cook, starting a pot of homemade soup — a task that would have been nothing a few years ago, but is a little hard for her now. Her illness had left her weak, often puzzled.

    Sharon was the take-charge person in the family. She was seldom sick until 1997, when she began suffering from terrible headaches. One day at work, colleagues said she didn't look right and urged(敦促) her to go to the hospital. She rose from her chair and fell over. She could hear voices, but couldn't speak. It looked as if she'd had a stroke(中风).

    Other stroke-like symptoms (症状) followed. She had difficulty walking. She ran a fever all the time. The headaches never stopped. She and Kevin spent all their savings seeing doctors and on medical tests.

    In 2000, physicians said Sharon had brain damage that left her with symptoms resembling dementia (痴呆症). Once, she visited a familiar store and couldn't remember where the exit was. Another time, she was making spaghetti, but didn't know what to do after the water boiled.

    After seeing specialists, Kevin and Sharon came to believe that exposure(接触) to mould(霉菌) had caused Sharon's condition. Her world was certainly getting worse. At times she needed a wheelchair. The woman who never liked asking for help had to stay at home and rely on her husband.

    In recent decades, social isolation has been recognized as a major risk to our health and long life. It's twice as bad for you as being overweight and nearly as bad as smoking. The rising number of people who say they are affected, across a wide range of ages, is shocking. In reality, you can suffer the ill effects of loneliness even if you are not socially isolated.

Comedian Robin Williams made a striking observation in 2014: "I used to think the worst thing in life was to end up all alone. It's not. The worst thing in life is to end up with people who make you feel all alone." Tracking large groups over time indicates that perceived（感知的）social isolation carries its own risk for morbidity（发病率）and mortality.

    The perception of isolation—from others of being in the social aspect-is not only a cause of unhappiness, it also signals danger. Fish have evolved to swim to the middle of their group when predators（捕食者）approach, mice housed in social isolation show sleep disruptions and reduced slow-wave sleep and prairie voles（田鼠）isolated from their partners then placed in an open field explore their surroundings less and concentrate on avoiding predators.

    These behaviours reflect an increased emphasis on self-preservation in the social aspect. For instance, fish on the edge of a school are more likely to be attacked by predators because they are easier to isolate and prey upon. Such observations reflect a more general principle that perceived social isolation in social animals activates neural（神经系统的）, neuroendocrine（神经内分泌的）and behavioural responses that promote short-term self-preservation. However, these responses bring a cost for long-term health and well-being.

    The range of harmful neural and behavioural effects of perceived isolation documented in adults include increased anxiety, hostility and social withdrawal; fragmented sleep and daytime tiredness; increased vascular resistance and changed gene expression and immunity; decreased impulse control; increased negativity and depressive symptoms; and increased age-related cognitive decline.

    Sadly, to date, attempts to reduce loneliness have met with limited success. A series of randomized controlled trials showed that they had only a small effect. Among the four types of interventions（介入）examined, talking therapy that focused on inappropriate thought processes had the largest impact. Social skills training, social support and increased opportunities for social contact were much less effective.

    America's businesses are getting older and fatter, while many new businesses are dying in infancy.

    A study last month by the Brookings Institution found that the proportion of older firms has grown steadily over several decades, while the survival rate of new companies has fallen. In addition, young people are starting companies at a sharply lower rate than in the past.

    A new report from the National Association of Manufacturers shows a major cause: The cost of obeying government regulations has risen to more than $2 trillion (12.26 trillion yuan) annually, or 12 percent of the GDP, and this cost falls disproportionately on smaller, newer businesses.

    It's risky, difficult and expensive to start a business, and getting more so. Governments are imposing various new rules on a seemingly daily basis: health insurance, minimum wage increases and, most recently in California, compulsory paid sick days for even hourly employees. These regulations shift huge social welfare costs directly onto often-struggling small businesses, while being proportionally much less costly for larger companies.

This is partly an unintended issue of resources—established companies can cope with new costs more easily—but it's also deliberate. For instance, big insurance companies got a seat at the table to help write Obama care, but less politically powerful firms—like medical device manufacturers—got squeezed.

    Mature, successful corporations can employ ex-lawmakers with connections, distribute campaign contributions and even write regulations for themselves. They are also more likely to want to protect steady revenue streams than revolutionize their industry.

Major companies that have been so ill-managed they would otherwise collapse—airlines, car companies and banks—stagger(蹒跚)on because politicians ride to the rescue with bags of taxpayer money.

    The genius of our unique system of government is the determination to protect and defend the rights of the individual over the rights of the nation. As such, the rise of a well-connected oligarchy(寡头政治)that protects big business at the expense of small business, and the established over the new, is opposite to American ideals.

Income inequalitywhich is directly caused by faulty government policy—is being promoted as the reason to impose more of that bad policy. But let's be perfectly clear, we do not have a free market but one where government picks winners and losers through regulations and financial aids.

    Politics is, and always has been, about balancing competing interests seeking to benefit themselves, and that's as it should be, but the force of government should never be used to reduce competition, kill innovation or support and extend artificial monopolies(垄断)by harming the consumer, the taxpayer and the economy. Policy must breed our new and small businesses or see the as-yet undreamed of innovations that could be our bright future die in infancy.

    That little "a" with a circle around it that is found in e-mail addresses is most commonly referred to as the "at" symbol. Surprisingly though, there is no official, universal name for this sign. There are lots of strange terms to describe the @ symbol.

Before it became the fixed symbol for e-mail, the symbol was mostly used to represent the cost or weight of something. For instance, if you bought 6 apples, you might write it as 6 apples @ $1.11 each.

    With the introduction of e-mail came the popularity of the @ symbol. The @ symbol separates a person's online user name from his mail server address, for instance joe@uselessknowledge.com. Its widespread use on the Internet made it necessary to put this symbol on keyboards in countries that had never seen or used the symbol before. As a result, there is really no official name for this symbol.

    The actual origin of the @ symbol remains unknown. History tells us that the @ symbol came from the tired hands of the monks(僧侣) in the Middle Ages. During the Middle Ages when there were no printing presses, every letter of a word had to be copied by hand for each copy of a published book. The monks that performed these long and boring copying duties looked for ways to reduce the number of strokes (笔划) per word for common words.

    Although the word "at" is quite short, it was such a common word in texts and documents that monks in the Middle Ages thought it would be good idea to shorten the word "at" even more. As a result, the monks left out the "t" and created a circle — getting rid of two strokes.