There was a gardener who looked after his garden with great care. To water his flowers, he used two buckets(水桶). One was a shiny and new bucket. The other was a very old and dilapidated one, which had seen many years of service, but was now past its best.

    Every morning, the gardener would fill up the two buckets. Then he would carry them along the path, one on each side, to the flowerbeds. The new bucket was very proud of itself. It could carry a full bucket of water without a single drop spilled (溢出). The old bucket felt very ashamed because of its holes: before it reached the flowerbeds, much water had leaked（泄漏）along the path.

    Sometimes the new bucket would say, “See how capable I am! How good it is that the gardener has me to water the flowers every day! I don't know why he still bothers with you. What a waste of space you are!”

    And all that the old bucket could say was, “I know I'm not very useful, but I can only do my best. I'm happy that the gardener still finds a little bit of use in me, at least.”

    One day, the gardener heard that kind of conversation. After watering the flowers as usual, he said, “You both have done your work very well. Now I am going to carry you back. I want you to look carefully along the path.”

    Then the two buckets did so. All along the path, they noticed, on the side where the new bucket was carried, there was just bare (光秃秃的) earth; on the other side where the old bucket was carried, there was a joyous row of wild flowers, leading all the way to the garden.

    Some people seem to have extraordinary memories. Zheng Aiqiang, a "memory athlete" on TV show Super Brain, can remember 2,660 numbers in just one hour!

    You would think people like this have special brains. But according to a recent study by researchers from the US and the Netherlands, the brain structures of ordinary people and 23 of the world's leading memory athletes show no difference.

    That's because good memories can be trained. New research in the journal Neuron(神经元期刊) suggests that you can become a super memorizer with just six weeks of hard training.

    Researchers found that technique(技巧) called loci, invented by ancient Greeks, can greatly help improve memory. By using loci, you are using your imagination to improve the brain's memory networks. You can link(关联) something you need to remember with a place that you know very well. For example, to remember a list of numbers, imagine yourself walking through your house. Each thing is linked to a number. For example, zero could be handle(把手) on the door and five could be the painting on the wall.

    In one study, some ordinary people were given 20 minutes to remember 72 words. First they could only remember 26 of them. But when they were taught loci, they could remember 62 words.

    "Not everyone can become a memory champion. But everyone using the technique can improve a lot from the level they're at," said Boris Konrad, one of the researchers in the study.

    Jack London, one of America's major writers of adventure tales, was born in California in 1876. During his life, London worked at many jobs. His broad life experiences would become the background for his writing.

    London loved to read. As a teenager, he spent many hours educating himself at the Oakland, California, public library. He attended college at the University of California at Berkeley, but he stayed for only six months. He thought Berkeley was “not lively enough” and wanted to do something more exciting.

    London wrote stories about working people and the hard times they had making a living. He knew their problems first hand. He worked as a sailor, farmer, factory employee, railroad worker, and gold prospector, to name just a few of his many jobs.

    London grew up near the waterfront in Oakland. He loved the water. When he was fifteen years old, he bought a small sailboat called a sloop. Later he sailed to Japan on a schooner, which is a much larger sailing boat. Like many people of the time, London caught the Klondike Gold Rush Fever. In 1897, he headed for Alaska. He didn't find gold, but he discovered something even more valuable. He discovered that people enjoyed listening to the stories he made up with his vivid imagination. London entertained the miners with story after story. Later, using his experiences during the Gold Rush, he created many more colorful stories.

    London resolved to live a full, exciting life. He once said, “I would rather be a superb meteor(流星), every atom of me in magnificent glow, than a sleepy and permanent planet.” Each day, he pushed himself. Once London determined that he was going to be a writer, nothing could stop him. His goal was to write at least one thousand words every day. He refused to stop even when he was sick. In eighteen years, the writer published fifty-one books and hundreds of articles. He was the best-selling and highest-paid author of his day. Many people also considered him to be the best writer. White Fang and The Call of the Wild are his most famous stories and are about surviving in the Alaskan wilderness. Readers can enjoy Jack London's energy and his talent for telling wonderful stories each time they open one of his novels.

    Your kids learn a lot from their friends—things you can't teach them, no matter how much you want to.

    Probably the most important thing kids learn is how to have peer relationships. As a parent, you can't do this, because you and your child aren't equals.

    For example, when you're sitting on your family room floor and your very young child asks you to pass him the blocks, you probably hand them right over. If your child is sitting with a peer and asks the same thing, though, he might not get what he wants.

    To succeed, your child will need to learn strategies for getting what he wants. For example, he might simply yank (猛拉) the toy out of his friend's hand. If he does that, he may learn that it's not the best way of getting what he wants because it leads to fighting and time­outs. The successful child will learn that he needs to negotiate a trade, to wait patiently, or to find something else equally fun to play with.

    Friends also provide emotional support, something that is part of the foundation of healthy adulthood. You can't be with your child on the elementary school playground or at the high school dance. Your child's friends will be the ones to stick up for her, to include her in games, and later, to tell her she looks great even if her lousy prom (糟糕的舞会) date wanders off instead of dancing with her.

    Friends also help your children learn. Friends solve problems together, imitate each other, and pass on knowledge.

    Some experts believe that the single biggest predictor of your child's success later in life is her ability to make friends. In fact, they claim it's even more important than IQ and grades.

    This doesn't mean that the kids who are most popular in school do the best later on in life. What matters is not the number of friends a child has but rather the quality of the relationships.

    This is good news for those of us who hate to think that popularity really is the Holy Grail of childhood and adolescence. While it's true that popularity has many advantages, and that many popular kids really are nice people—and not just the best dressed or best looking—it's better to have a few good friends than to have the admiration of the masses.

    Humans are social animals. They live in groups all over the world. As these groups of people live apart from other groups, over the years and centuries they develop their own habits and ideas, which are different from other cultures. One important particular side of every culture is how its people deal with time.

    Time is not very important in nonindustrial (非工业的) societies. The Nuer people of East Africa, for example, do not even have a word TIME that is in agreement with the abstract thing we call time. The daily lives of the people of such nonindustrial societies are likely to be patterned around their physical needs and natural events rather than around a time schedule (时间表) based on the clock. They cook and eat when they are hungry and sleep when the sun goes down. They plant crops during the growing seasons and harvest them when the crops are ripe. They measure time not by a clock or calendar, but by saying that an event takes place before or after some other event. Frequently such a society measures days in terms of "sleeps" or longer periods in terms of "moons". Some cultures, such as the Eskimos of Greenland measure seasons according to the migration of certain animals.

    Some cultures which do not have a written language or keep written records have developed interesting ways of "telling time". For example, when several Australian aborigines want to plan an event for a future time, one of them places a stone on a cliff or in a tree. Each day the angle of the sun changes slightly. In a few days, the rays of the sun strike the stone in a certain way. When this happens, the people see that the agreed-upon time has arrived and the event can take place.

    In contrast (成对比), exactly correct measurement of time is very important in modern, industrialized societies.

    This is because industrialized societies require the helpful efforts of many people in order to work. For a factory to work efficiently (well, quickly and without waste), for example, all of the workers must work at the same time. Therefore, they must know what time to start work in the morning and what time they may go home in the afternoon. Passengers must know the exact time that an airplane will arrive or depart. Students and teachers need to know when a class starts and ends. Stores must open on time in order to serve their customers. Complicated (复杂的) societies need clocks and calendars. Thus, we can see that if each person worked according to his or her own schedule, a complicated society could hardly work at all.

Albert Einstein's 1915 masterpiece "The Foundation of the General Theory of Relativity" is the first and still the best introduction to the subject, and I recommend it as such to students. But it probably wouldn't be publishable in a scientific journal today.

Why not? After all, it would pass with flying colours the tests of correctness and significance. And while popular belief holds that the paper was incomprehensible to its first readers, in fact many papers in theoretical physics are much more difficult.

As the physicist Richard Feynman wrote, "There was a time when the newspapers said that only 12 men understood the theory of relativity. I do believe there might have been a time when only one man did, because he was the only guy who caught on, before he wrote his paper. But after people read the paper a lot understood the theory of relativity in some way or other, certainly more than 12."

No, the problem is its style. It starts with a leisurely philosophical discussion of space and time and then continues with an exposition of known mathematics. Those two sections, which would be considered extraneous today, take up half the paper. Worse, there are zero citations of previous scientists' work, nor are there any graphics. Those features might make a paper not even get past the first editors.

A similar process of professionalization has transformed other parts of the scientific landscape. Requests for research time at major observatories or national laboratories are more rigidly structured. And anything involving work with human subjects, or putting instruments in space, involves piles of paperwork.

We see it also in the Regeneron Science Talent Search, the Nobel Prize of high school science competitions. In the early decades of its 78-year history, the winning projects were usually the sort of clever but naive, amateurish efforts one might expect of talented beginners working on their own. Today, polished work coming out of internships(实习) at established laboratories is the norm.

These professionalizing tendencies are a natural consequence of the explosive growth of modern science. Standardization and system make it easier to manage the rapid flow of papers, applications and people. But there are serious downsides. A lot of unproductive effort goes into jumping through bureaucratic hoops(繁文缛节), and outsiders face entry barriers at every turn.

Of course, Einstein would have found his way to meeting modern standards and publishing his results. Its scientific core wouldn't have changed, but the paper might not be the same taste to read.