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     Readingcan be a social activity. Think of the people who belong to book groups. They choose books to read and then meet to discuss them. Now, the website BookCrossing.com turns the page on the traditional idea of a book group.

      Members go on the site and register the books they own and would like to share. BookCrossing provides an identification number to stick inside the book. Then the person leaves it in a public place, hoping that the book will have an adventure, traveling far and wide with each new reader who finds it.

    Bruce Pederson, the managing director of BookCrossing, says, “The two things that change your life are the people you meet and books you read. BookCrossing combines both.”

    Members leave books on park benches and buses, in train stations and coffee shops. Whoever finds their book will go to the site and record where they found it.

    People who find a book can also leave a journal entry describing what they thought of it. E-mails are then sent to the BookCrossing to keep them updated about where their books have been found. Bruce peterson says the idea is for people not to be selfish by keeping a book to gather dust on a shelf at home.

    BookCrossing is part of a trend among people who want to get back to the “real” and not the virtual(虚拟). The site now has more than one million members in more than one hundred thirty-five countries.

    When 19-year-old Sophia Giorgi said she was thinking of volunteering to help the Make-A-Wish Foundation (基金会)，nobody understood what she was talking about. But Sophia knew just how important Make – A –Wish could be because this special organization had helped to make a dream come true for one her best friends. We were interested in finding out more, so we went along to meet Sophia listen to what she had to say.

    Sophia told us that Make – A –Wish is a worldwide organization that started in the United States in 1980. ” It's a charity(慈善机构)that helps children who have got very serious illnesses. Make – A –Wish help children feel happy even though they are sick, by making their wishes and dreams come true, ” Sophia explained.

We asked Sophia how Make – A –Wish had first started. She said it had all begun with a very sick young boy called Chris, who had been dreaming for a long time of becoming a policeman. Sophia said lots of people had wanted to find a way to make Chris's dream come true —-so, with everybody's help, Chris, only seven years old at the time, had been a “policeman” for a day. ” when people saw how delighted Chris was when his dream came true, they decided to try and help other sick children too , and that was the beginning of Make – A –Wish, ” explained Sophia.

    Sophia also told us the Foundation tries to give children and their families a special, happy time. A Make-A-Wish volunteer visits the families and asks the children what they would wish for if they could have anything in the world. Sophia said the volunteers were important because they were the ones who helped to make the wishes come true. They do this either by providing things that are necessary, or by raising money or helping out in whatever way they can.

    A city child's summer is spent in the street in front of his home, and all through the long summer vacations I sat on the edge of the street and watched enviously the other boys on the block play baseball. I was never asked to take part even when one team had a member missing—not out of special cruelty, but because they took it for granted I would be no good at it. They were right, of course.

    I would never forget the wonderful evening when something changed. The baseball ended about eight or eight thirty when it grew dark. Then it was the custom of the boys to retire to a little stoop(门廊) that stuck out from the candy store on the corner and that somehow had become theirs. No grownup ever sat there or attempted to. There the boys would sit, mostly talking about the games played during the day and of the game to be played tomorrow. Then long silences would fall and the boys would wander off one by one. It was just after one of those long silences that my life as an outsider changed. I can no longer remember which boy it was that summer evening who broke the silence with a question: but whoever he was, I nod to him gratefully now. “What's in those books you're always reading?” he asked casually. “Stories,” I answered. “What kind?” asked somebody else without much interest.

    Nor do I know what drove me to behave as I did,for usually I just sat there in silence, glad enough to be allowed to reain among them; but instead of answering his question, I told them for two hours the story I was reading at the moment. The book was Sister Carrie. They listened bug-eyed and breathless. I must have told it well, but I think there was another and deeper reason that made them to keep an audience. Listening to a tale being told in the dark is one of the most ancient of man's entertainments, but I was offering them as well, without being aware of doing it, a new and exciting experience.

    The books they themselves read were the Rover Boys or Tom Swift or G.A.Henty. I had read them too, but at thirteen I had long since left them behind. Since I was much alone I had become an enthusiastic reader and I had gone through the books-for-boys series. In those days there was no reading material between children's and grownups'books or I could find none. I had gone right fromTome Swift and His Flying Machine to Theodore Dreiser and Sister Carrie. Dreiser had hit my young mind, and they listened to me tell the story with some of the wonder that I had had in reading it.

    The next night and many nights thereafter, a kind of unspoken ritual (仪式) took place. As it grew dark, I would take my place in the center of the stoop and begin the evening's tale. Some nights, in order to taste my victory more completely, I cheated. I would stop at the most exciting part of a story by Jack London or Bret Harte, and without warning tell them that that was as far as I had gone in the book and it would have to be continued the following evening. It was not true, of course; but I had to make certain of my new-found power and position. I enjoyed the long summer evenings until school began in the fall. Other words of mine have been listened to by larger and more fashionable audiences, but for that tough and athletic one that sat close on the stoop outside the candy store, I have an unreasoning love that will last forever.

    In the story of “The crow and the Pitcher” from Aesop's Fables, a thisty crow (乌鸦)drops stones into a narrow jar to raise the low level of water inside so he can take a drink.

    Now scientists have evidence to back up that story. Crows actually do understand how to make water displacement (移位) work to their advantage, experiments show. The results suggest that the birds are, at least in some aspects, as smart as first-graders.

    Researchers, led by Sarah Jelbert at the University of Auckland in New Zealand, presented six crows with tubes filled with water. Inside the tubes, a worm or piece of meat on a piece of wood was floating, just out of reach of the crow. In front of the tubes, the researchers arranged several rubber erasers that would sink, and some plastic objects that would float. The crows found out that they could drop the erasers into the tubes in order to raise the water level and get their snack.

    However, the birds handled awkwardly in experiments in which they could choose to drop objects in either a wide tube or a narrow one to get a snack, the researchers said. Dropping objects into narrow tube would lift the water level by a greater amount and put the treat within reach after just two drops; while it took around seven drops to raise the snack to the same level in the wide tube. The crows obviously didn't realize this, and most of them went for the wide tube first.

    Previous studies showed that chimps and human children can solve similar tasks. In a 2011 study, chimps and kids found out that they could put water into a tube to reach a peanut that was floating in a small amount of water at the bottom.

    A lifetime of active exercise will let you keep the body of a 20-year-old well into your 70s, scientists have found.

    The physical decline (衰退) thought to be an unavoidable part of ageing is actually the result of not exercising enough, according to the research, which found that regular cyclists kept the muscles, lungs, and even the immune system (免疫系统) of people years younger. Besides, many serious health problems could be prevented if people became more active, researchers insist.

    Janet Lord, a leading researcher, said, “Our findings prove the false belief that ageing automatically makes us weaker. We now have strong evidence that encouraging people to do regular exercise throughout their lives can solve the problem that we are living longer but not healthier.”

    She looked at 125 cyclists aged 55 to 79 who had been exercising regularly for 25 years and compared them with 75 ordinary people of a similar age and 55 people aged 20 to 36. On a series of physical measures, the cyclists showed no difference from people much younger in their immune systems and making T cells.

    Now Professor Lord aims to discover how much exercise people need to do to stay young. “You needn't work out a lot. It may be intensity (强度) that helps—like going up and down the stairs ten times a day.”

    While there is no magic method of staying mentally and physically fit in later life, the benefits of keeping active can never be ignored, whatever your age or state of health.

    Pinewood Studios is located (位于) about twenty miles west of central London and named after the pinetrees in the grounds. Pinewood has been at the heart of both British and international film production. The house, Heatherden Hall, was bought by Charles Boot in 1934, and he and J. Arthur Rank became partners in the project to build the studios. Pinewood proved pioneering in its use of the "unit system" that allowed more than one film to be made at a time, and this enabled Pinewood to achieve the highest output of all the studios in the world. The first film to be completed at Pinewood was Talk of the Devil (1936, Reed) while the immediate postwar period saw six major productions including the praised Oliver Twist (1948, Lean) and The Red Shoes (1948, Powell and Press-burger).

    The 1950s saw countless productions including the Doctor series and medical comedy, which were the fathers to the Carry On films: the series started with Doctor in the House (1954, Thomas) and led to a further six films. Other notable films of the 1950s age include The Prince and the Showgirl (1957 Olivier) starring Marilyn Monroe, Carve Her Name with Pride (1958, Gilbert), North West Frontier (1959 Thompson) and The Thirty-Nine Steps (1959, Thomas). The Thirty-Nine Steps was a reworking of John Buchan's novel originally filmed by Hitchcock in 1935. Because of its new ideas and skills, American production companies crowded to Pinewood and a major reinvestment (再投资) was required. During the 1960s, four new stages were built to accommodate every aspect of film and television production. This period also saw the start of the association between Pinewood and the James Bond series, which started in 1962 with Dr No (Young). The studios have continued to produce imaginative and technically challenging material such as Superman (1978, Donner), Superman Ⅱ (1980, Lester), Superman Ⅲ (1983, Lester), Superman Ⅳ: The Quest for Peace (1987, Furie),and Batman (1989,Burton).