Obama, Lady Gaga and Steve Jobs—what do they have in common? They are, of course, all Americans. And according to a survey by social networking site baidu. com, they all best illustrate(举例说明) the word “cool”.

    But just what does it mean to say someone is “cool”? Most would answer that it is something to do with being independent-minded and not following the crowd.

    Yale University art professor Robert Farris Thompson says that the term “cool” goes back to 15th century West African philosophy. “Cool” relates to ideas of grace under pressure.

    “In Africa, ” he writes, “coolness is a positive quality which combines calmness, silence, and life.”

    The modern idea of “cool” developed largely in the US in the period after World War II. “Post-war ‘cool' was in part an expression of war-weariness (厌战情绪), ... it went against the strict social rules of the time,” write sociologists Dick Pountain and David Robins in Cool Rules: Anatomy of an Attitude.

    But it was the American actor James Dean who became the symbol for “cool” in the hugely successful 1955 movie Rebel without a Cause. Dean plays a tough guy who disobeys his parents and the authorities. He always gets the girl, smokes cigarettes, wears a leather jacket and beats up bullies. In the movie, Dean showed what “cool” would mean to American young people for the next 60 years.

    Today the focus of “cool” has changed to athletics (体育运动) stars. Often in movies about schools, students gain popularity on the athletics field more than in the classroom. This can be seen quite clearly in movies like Varsity Blues and John Tucker Must Die.

    But many teenagers also think being smart is cool. Chess and other thinking games have been becoming more popular in schools.

    “Call it the Harry Potterization of America—a time when being smart is the new cool,” writes journalist Joe Sunnen.

Cara Jumper loves the giant saltwater pond on her grandparents Swansea, South Carolina, property(房产). One January afternoon, her grandfather Coy Jumper piled ten-year-old Cara and her sister, Claire, six, and Emma, five, into his Pontiac Sunfire and took them down to the pond. He and the girls walked happily through the pines, checking traps. No luck—they were empty.

    As the sun disappeared gradually toward the horizon, the group turned back to head home. But as Coy walked along the bank, he was suddenly unable to put one foot in front of the other. Then Cara saw Coy walk unsteadily and fall backward into the pond's deep water.

    When her grandfather didn't surface immediately, Cara jumped in. With one hand, Cara grabbed the bank. With the other, she reached for her grandfather, making contact in the dark water.

    Coy had suffered a stroke(中风) the year before. Now Cara wondered if he'd had one again. Just 80 pounds to her grandfather's 230, she held his head and pulled his face out of the water. That woke him, but he was still dead weight. She managed to move Coy towards the three-foot bank and pulled him up onto solid ground.

    The winter sun had almost disappeared, and they were all trembling. Cara knew she'd have to get Coy to the car, a quarter mile away. She helped him to his feet. Coy slowly moved forward.

    Sixty feet from the car, Coy fell. From there, he crawled, dragging himself under a gate, to the car. His granddaughters helped him into the passenger's side, and Cara got into the driver's seat.

"I used to sit on my dad's lap and drive," she says now. Coy, too, she says, had let the fifth grader drive through the fields around the house. Still, she felt nervous, but she pushed on the gas and steered(驾驶) them the three miles home. "I was trying to get there fast, but I didn't want to get us hurt," Cara says. When she pulled the Sunfire into the garage, her grandmother, Esca was there to meet them.

Coy spent six days in the hospital recovering from a stroke. Says Esca, "If Cara hadn't helped, she might not have a grandpa anymore."

    Planning a visit to the UK? Here we help with ways to cut your costs.

    AVOID BIG EVENTS Big sporting events, concerts and exhibitions can increase the cost of accommodation and make it harder to find a room. A standard double room at the Thistle Brighton on the final Friday of the Brighton Comedy Festival (19 Oct.) cost £169.15 at Booking.com. A week later, the same room cost £l18.15.

    If you can be flexible and want to know dates to avoid-or you're looking for a big event to pass your time—check out sites such as Whatsonwhen.com, which allow you to search for events in the UK by city, date and category.

    STAY AWAY FROM THE STATION If traveling to your destination by train, you may want to find a good base close to the station, but you could end up paying more for the sake of convenience at the start of your holiday.

    Don't be too choosy about the part of town you stay in. Booking two months in advance, the cheapest room at Travelodge's Central Euston hotel in London for Saturday 22 September was £95.95. A room just a tube journey away at its Covent Garden hotel was £75.75. And at Farringdon, a double room cost just £62.95.

    GET ON A BIKE London's 'Boris bikes' have attracted the most attention but other cities also have similar programmes that let you rent a bicycle and explore at your own pace, saving you on public transport or car parking costs.

    Among the smaller cities with their own programmes are Newcastle (casual members pay around £1.50 for two hours) and Cardiff (free for up to 30 minutes, or £5 per day).

    Fourth-grade teacher Tori Nelson allowed one of her students to shave her head in the schoolyard, after bullies（仗势欺人者） teased him about his own buzz cut. Ms. Nelson got the idea after noticing that Matthew Finney, a shy boy from her homeroom at Winlock Miller Elementary School in Washington State, was standing outside his classroom crying and wearing a winter hat.

    Ms. Nelson could see the back of his neck had been shaved, and since Matthew usually had very thick curly brown hair, she realized that he'd had a haircut over the weekend. She asked him what was wrong， and he said he'd gotten a buzz cut for the summer. But this morning, a fifth grader on the bus made fun of him, and he didn't want to come to class and get laughed at by other kids. Ms. Nelson tried to convince Matthew to come inside, but since school rules banned kids from wearing hats indoors he refused—explaining that he was afraid of showing his haircut to the other children in case they also made fun of him.

    "Finally I said, 'If you take your hat off and come to class, I'll let you give me a buzz cut too,' Ms. Nelson told Yahoo Parenting." I figured it's just hair, and mine is already short anyway. I might as well get it shorter in time for the warm weather.

    Matthew excitedly took her up on the offer, and Ms Nelson and another teacher gathered all the fourth graders together during break time. A school employee brought in scissors, which Matthew used to the cheers of his classmates, excitedly watching as their teacher's hair fell away onto the ground in the schoolyard.

    "It was a lot of fun for the kids, and it helped Matthew feel better about himself." said Ms Nelson." You have to do what it takes to reach children. Teaching isn't just about reading and writing: it's about self-worth and accepting differences.

    New England is the six northeastern states of the United States: Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, and Connecticut. The six states were among the first colonies (殖民地) in America. The colonies were ruled by England, and this is how the area became known as New England. After the Revolutionary (革命的) War the colonies became states.

    Many things are similar in the six New England states. For example, there are many stone walls, fishing villages and forests in these states. The houses and buildings are similar, too. People cut down trees from the forests to make space for their farms and villages.

    They then used wood from the trees and stones from the field to build houses, schools, and churches. Even today, most of the houses in New England are made of wood.

    There are big cities in New England, but there are also small cities and farms, especially in the northern part. There is much industry and business and New England is one of the most populous (人口稠密的) parts of the United States. It has many busy seaports on its long coast. There are always many tourists who enjoy the beautiful lakes, beaches, and mountains and who visit the historical places.