The Square

    Jack Dorsey, the co-inventor of Twitter, is promoting his latest invention called the Square. The square is a small plug-in attachment to your mobile phone that allows you to receive credit card payments.

    The idea starting from Dorsey's friend Jim McKelvey who was unable to sell some glass work to a customer because he couldn't accept a particular card being used.

    Accepting credit card payments for something you're selling isn't always easy, especially if you are mobile like a tradesman, or delivery service at a trade show.

    This latest invention uses a small scanner that plugs into the audio input item on a mobile device. It reads information on a credit card when it is swiped(刷卡). The information is not stored on the device but sent over secure channels to banks. It basically makes any mobile phone a cash register for accepting card payments.

    As a payer, you receive a receipt via email that can be instantly accessed securely online. You can also use a text message to authorize payment in real time. Retailers can create a payer account for their customers which speeds the payment process. For example, a cardholder can assign a photo to their card so their photo will appear on the phone for visual identity confirmation. Mobile devices with touch screens will also allow you to sign for goods.

    There are no contracts, monthly fees, or hidden costs to accept card payments using Square and it is expected the plug-in attachment will also be free of charge.

    As with Twitter, it's expected that Dorsey will direct the company based upon feedback from users. Square Inc. has offices in San Francisco, Saint Louis and New York and is currently beta testing the invention with retailers in the United States.

    What is it that makes people laugh? More than two thousand years ago the ancient Greek philosopher Aristotle defined (定义) jokes as the pleasure that results from a feeling of triumph(胜利) by showing we're better than someone else in a certain way. According to Aristotle and many other philosophers，all jokes depend mainly on showing inferiority in another person or group of persons—that is，putting it clearly，on showing that they are worse off than ourselves. Jokes raise our good opinion of ourselves at someone else's expense.

Showing how much better than other people we are is only one reason we like jokes. Someone may also use a joke to express their anger or their cruelty or any other kind of action that is not acceptable to us. We feel free to laugh when we hear about someone sliding on a banana skin. The joke lets us express those attitudes which are usually unacceptable to society. This is probably the reason why some of the jokes，especially those involving cruelty，are so popular with certain people.

    Besides，all jokes depend on our enjoyment of laughing at something that is strange and out of place because it's different from things which are happening around it. The same situation can be either sad or pleasant，depending entirely on how strange and out of place it is. If a girl in a bathing suit falls into a swimming pool，we don't laugh because nothing unusual has happened. But if a man in a smart suit falls in，the situation is at once unusual in a pleasant way and we laugh. A good joke-teller will always try to build up a situation in which one thing is expected until something unexpected suddenly happens，and so we laugh.

    Summer heat can be dangerous, and heat leads to tragedy far too often. According to kidsandcars, org, an average of 37 young children per year die of car heat in the US, when they are accidentally left in a hot vehicle.

    For Bishop Curry, a fifth grader from McKinney, Texas, one such incident hit close to home. A six-month-old baby from his neighborhood died after hours in a hot car. After hearing about her death, Curry decided that something needed to be done. Young Curry, who turned 11 this year, has always had a knack for inventing things, and he drew up a sketch(草图) of a device he called "Oasis."

    The device would attach to car seats and watch the temperature inside the car. If it reached a certain temperature in the car, and the device sensed a child in the car seat, it would begin to circulate cool air. Curry also designs the device using GPS and Wi-Fi technology, which would alarm the child's parents and, if there was no response from them, the police.

    Curry's father believes that the invention has potential. "The cool thing about Bishop's thinking is none of this technology is new," he said. "We feel like the way he's thinking and combining all these technologies will get to production faster." His father even introduced the device to Toyota, where he works as an engineer. The company was so impressed that they sent Curry and his father to a car safety conference in Michigan.

    In January, Curry's father launched a campaign for the invention. They hope to raise money to finalize the patent, build models, and find a manufacturer. Their goal was $20,000, but so many people believed in Oasis' potential that they have raised more than twice that--over $46,000.

    Curry's father remembers the first time he saw his son's sketch. "I was so proud of him for thinking of a solution," he said. "We always just complain about things and rarely offer solutions."

    An Indian movie about two sisters has become a huge hit in China. The Hindi language film, called Dangal, has earned almost $170 million in China since its release there on May 5.

    Much has been written about why Dangal has enjoyed such big success in China. Some people say one reason is that the film's star and producer, Aamir Khan. He is famous in India's Bollywood film industry. Two of his earlier films were also big hits in China.

    Khan's popularity was clear after he got more than 600,000 followers on the Chinese social media service Sina Weibo within two months of joining. But he is not the only reason that the film strongly connects with audience across China. Media has pointed out how it shows similarities between parental systems in China and India.

Dangal is based on the true story of a man who enjoyed the sport of wrestling(摔跤). He competed as a wrestler, but never could achieve his lifelong dream: winning a gold medal. As a father, he wanted his son to win the medal. But his wife only gives birth to daughters. So he finally decides to train them to be world-class wrestlers.

    The movie is more serious than most Bollywood productions, which tell happy love stories and include colorful music and dance performances.

    Edward Chan is a professor at the Hong Kong Polytechnic University. He says the strict way of parenting in the film is something people in China can easily relate to. "I think the father role described by the movie in India is quite to the culture, especially the traditional culture in China."

    The Chinese government supported Global Times newspaper pointed that movie critics (评论家) in China did not like Dangal. Most of them agree with the fact that the father in the film was forceful in pushing his daughters to become wrestlers. But the film Dangal is really aimed to educate children to work for their dreams.

    According to a recent report, about 15% of the people in the UK are members of gyms. But are they more likely to be fit?

    A study found that gym members were 14 times more active than people who didn't belong to any health club. Gym members did six hours more exercise a week, and this activity did make them fitter than non-gym members. They also spent less time sitting down every day than non-gym members. The results were the same for men and women.

    The study included 405 people between the ages of 30 and 64, and the main characteristics of those who were gym members were the same as those who were not. “But gym members did more training than non-gym members,” said the lead author, Elizabeth Schroeder of the University of Illinois.

    While it might seem clear that gym members exercise more and are healthier than non-gym members, Schroeder says this has not been directly shown before. However, the study is only designed to show a tie between gym membership and more exercise. It may be that active people like to join gyms. In the study, people who exercised as much as gym members were also in good health.

    You can get the same benefits wherever you exercise. This study shows a gym membership can make you do more exercise, but other research shows that exercising outside has other help. Outdoor activity can make you feel happy about life—especially if you run through a forest.

    Outdoor exercise is also more interesting than going to the gym. The first five minutes of outdoor exercise is especially helpful in making people feel good. But Schroeder says that a gym may also encourage greater exercise because it can be social and fun.

A Life in Danger

    Lucy, aged 15, lives in Bournemouth with her parents. Her parents aren't poor, and she was at a private school when she started getting bullied. This made her very unhappy and she began to misbehave. She made some new friends who went clubbing a lot. Later she even took drug and stole money to buy drug. Her parents were so worried about their daughter and so angry about her behavior that they decided to send Lucy to Turn-About Ranch (TAR), a tough camp for problem teens in Utah, in the USA.

Lucy didn't like the idea of going to the ranch（牧场）in Utah, but after spending three months there, she's changed her attitude. She said, "The staff at TAR cared about our emotional well-being but they also wanted us to be disciplined and respect the rules. They told us not to take any drugs, not even tobacco or alcohol, and they made us get up at 6.30 a.m. every day and to school work as well as jobs around the ranch. TAR is a real, working ranch with cows and horses, which we had to take care of.

At TAR they asked us not to wear make-up or jewelry or use hair products. They told us that teenagers with problems often use a cool appearance as a mask to hide behind and that they needed to break down those barriers to help us look inside at the confusion which causes our problem behavior. They also wanted us to take responsibility for all our actions."

Her time there has made her more self-confident, less aggressive and much happier. She's started a college course, she's got a part-time job, and she's also doing voluntary work helping underprivileged children. She hasn't taken any drugs since she left TAR. Lucy says, "TAR made me think very hard about the friends I used to see and where my life was going. I realized that the drugs were starting to become the only thing in my life that I cared about, which meant I stopped enjoying other things and treated people badly. I ought to have realized that, and I know I shouldn't have done a lot of things that I did. The ranch has really opened my eyes. They told me to believe I could achieve something with my life, and from now on I want to try."