Even when you're extremely busy, you aren't using your time with 100% efficiency. There are gaps in everyone's schedule where they aren't doing anything important. Even if your schedule hasno gaps, there is probably lots of time where you aren't working as fast or as effectively as you possibly could.

    Why aren't you completely efficient? It's because time isn't thelimiting factor. If it were the limiting factor, people could work non-stop without breaks or any unproductive distractions. Instead, people, even those who are highly productive, need to take breaks, occasionally procrastinate(拖延) and slow downon tasks throughout the day.

    The real and most important limiting factor for productivity is your energy levels to pay attention. Energy levels limit your productivity because when you're tired, you can have ample time and still not get everything done. Your attention ability is also limited, because even if there are amillion things that need to be done, you can only focus on one or two at a time.

    You might not be able to insert another 4-5 hours into your schedule without making some sacrifices. But even extremely busy people can addan hour or two into their schedule without can celling anything. The reason it's hard to “find time” isn't a lack of time. It's because you don't have enough energy left to focus on something else that needs to fit into your day.

    I first suspected time wasn't the real problem during an extremely busy period in my life over a year ago. I was insanely busy, but at that time I still exercised regularly. I had daily-to-do lists with over twenty items, and I still found time to exercise. However, after a few weeks off, due to illness, stopped exercising. I was not busy by any standards, in fact, my schedule was incredibly light. Despite this free time, I found it hard to find time to exercise. It seemed to get pushed later and later into my schedule until it was gone. How can I explain this odd experience? I believe you haveknown it.

    How many times do you check your Moments or Facebook page in a day to see whether your latest post has got another “like” or “thumbs up”?

    Although you might be embarrassed to admit how many times you do this, don't worry. Psychological findings have shown it's completely normal.

    In fact, the pleasure we derive from (取自) getting a “like” is equal to that of eating chocolate or winning money, and we can't help wanting more.

    According to the findings of the UCLA Brain Mapping Center, which observed 32 teens aged between 13 and 18, the feedback circuit (反馈电路) in the teens' brains are particularly sensitive, and the “social” and “visual” parts of their brains were activated when they received “likes” on a social network. The research also showed that though the thumbs up might come from complete strangers, the good they derive from it worked equally.

    So does it mean we should try our best to win as many thumbs up as possible?

    Not necessarily so if we know the reasons behind our desire for attention.

    In “Why do people crave (渴望) attention” by M. Farouk Radwan, he explained several cases in which people naturally longed for attention. Radwan said people who were an only child, who were used to being the center of attention in their house, may try to reproduce these conditions. Feeling “overlooked and unappreciated” might also lead you to be eager for attention. Other times, the state of being jealous or wanting to cover your mistakes may also contribute to such longings.

    In fact, too much desire for attention can create anxiety, and in turn ruin your happiness even when you get it. So what can we do about it? The answer is quite simple.

    “If people could adopt goals not focused on their own self-esteem (自尊) but on something larger than their self, such as what they can create or contribute to others, they would be less sensitive to some of the negative effects of pursuing self-esteem,” wrote psychology professor Jennifer Crocker in the Journal of Social Issues.

    When I was a child, I had to go to church and obey many other rules, though these rules at times caused resentment (怨恨). Perhaps the most extreme parenting decision my parents made for my four brothers and sisters and me was to create a home environment without a television.

    We hated this decision at that time, because there was seemingly no way to keep this embarrassing fact a secret at school. Naturally, simple pleasures like cartoons, football games, and movies became huge novelties (新奇事物). I would go over to friends' or relatives' houses for that access alone.

    When I reached high school, my parents bought a television, though it had no cable. However, I did spend most of my childhood in a home without a television. In fact not having a television did contribute a great deal to my skills, and it also forced me to develop other valuable interests. We grew up in a small town, so my brothers and sisters and I spent time exploring streets, fields and woods. And of course I read and wrote and studied, which pushed me toward a career path.

    So would I give a similar situation to my own children if I had them? I doubt it, at least not in the most extreme sense. I'm too much of a football fan, not to mention the TV serials (连续剧) like The Wire. But television or almost anything for that matter is unhealthy for kids. It can prevent them from living a full life. So maybe a reasonable answer is no cable or no video-game systems or simply setting the time limit, but I haven't exactly worked out how to confine it yet. Although some people are against my idea, we do need limits after all.

    With five breakout(破纪录的) games, Jeremy Lin has become the NBA's newest star.

    In the New York Knicks' 92-85 won over the Los Angles Lakers last Saturday, Lin had a career-high 38 points. A day later, he led the Knicks to their fifth victory, 100-98 to Minnesota Timberwolves. In his previous games, Lin, 23, had 23 points against the Washington, 25 points against New Jersey and 28 against Utah in his first start.

    Lin is smart. Before graduating from high school in California, he had sent his application to all the Ivy League Schools(常青藤联盟). He only got into Harvard and Brown, and he chose Harvard. In 2010, Lin graduated with a degree in economics.

    Lin is the first Chinese-American player in the NBA. He was born in the US and his family is Asian. Although not born in China, Lin has attracted nearly all Yao Ming's old fans, who see him as a powerful role model.

    He started off on the Golden State Warriors. Lin first signed with the Warriors in July, 2010, but seldom played in games before the start of the fourth quarter. His first time on the court for the Warriors earned him seven points, three rebounds(篮板球) and two assists in just 11 minutes.

    He is really perfect for the Knicks. The New York Knicks has been in need of a reliable point guard and to Mike D'Antoni, the Knicks coach who's going through a difficult season, Lin is a most unexpected figure. Lin just does everything easy and the rest of the guys around him are playing the way we want to," D'Antoni said. "I think it's for real, and it can only get better."

    You probably know who Marie Curie was, but you may not have heard of Rachel Carson. Of the outstanding ladies listed below, who do you think was the most important woman of the past 100 years?

    Jane Addams (1860-1935)

    Anyone who has ever been helped by a social worker has Jane Addams to thank. Addams helped the poor and worked for peace. She encouraged a sense of community by creating shelters and promoting education and services for people in need. In 1931, Addams became the first American woman to win the Nobel Peace Prize.

    Rachel Carson (1907-1964)

    If it weren't for Rachel Carson, the environmental movement might not exist today. Her popular 1962 book Silent Spring raised awareness of the dangers of pollution and the harmful effects of chemicals on humans and on the world's lakes and oceans.

    Sandra Day O'Connor (1930-present)

    When Sandra Day O'Connor finished third in her class at Stanford Law School, in 1952, she could not find work at a law firm because she was a woman. She became an Arizona state senator (参议员) and, in 1981, the first woman to join the U.S. Supreme Court. O'Connor gave the deciding vote in many important cases during her 24 years on the top court.

    Rosa Parks (1913-2005)

    On December 1,1955, in Montgomery, Alabama, Rosa Parks would not give up her seat on a bus to a white passenger. Her simple act landed Parks in prison. But it also set off the Montgomery bus boycott. It lasted for more than a year, and kicked off the civil-rights movement. “The only tired I was, was tired of giving in,” said Parks.

    It's school time again! You're probably feeling excited and maybe a little sad for the vacation is over. Some kids feel nervous on the first day of school because of all the new things: new teachers, new friends, and maybe even a new school. Luckily, these "new" worries only stick around for a little while. Let's find out more about going back to school.

    Most teachers kick off the school year by introducing themselves and talking about what you'll be doing that year. Some teachers give students a chance to tell something about themselves to the rest of the class.

    When teachers do the talking on the first day, they often go over classroom rules so you'll know what's allowed and what's not. Pay close attention so you'll know if you need to raise your hand to ask a question and what the rules are about visiting the restroom.

    You might already know a lot of people in your class on the first day. But it's a great day to make new friends, so try to say "hello" to the kids you know and new ones that you don't. Make the first move and you'll be glad about what you did and so will your new friends!

    Most teachers let you pick your own seat on the first day, but by the second or third morning, they'll have mapped out a seating plan. It's a good idea to write down where your seat is in your notebook so you don't forget.

    Here are a few final tips for a fantastic(奇异的) first day: Get enough sleep. Have a healthy breakfast. Try your best. Develop good work habits, like writing down your assignments(作业) and handing in your homework on time. Take your time with schoolwork. If you don't understand something, ask the teacher.