There is an old saying about volunteer work that goes like this: “ No one can do everything, but everyone can do something.”

    Today, many people volunteer their time and energy to help others. There are a lot of ways to meet other people's needs. For example, some volunteers provide help after a disaster. Others are happy to get dirty while repairing homes or planting trees or flowers in poor neighborhoods. Young people see suffering and loneliness around them and find ways to help. And history lovers help archeologists(考古学家) search for ancient objects to help deepen our knowledge of the past.

    Volunteers work in many areas around the world, including Haiti. More than four years have passed since a 7.0 earthquake shook the nation. The exact number of people who died may never be known. Thousands of survivors of the Haitian earthquakes still live in temporary shelters. Last year, former American President Jimmy Carter and his wife Rosalynn joined five hundred volunteers in the town of Leogane to build houses.

    Organizations do not have to be large to get volunteers. An activist group in Dharamsala, India is a good example, Jodie Underhill from England arrived in northern India several years ago. She planned to volunteer for an environmental project. She could almost not believe how much rubbish was ruining some of the area's most beautiful sights. Jodie Underhill learned about how to deal with the rubbish while taking part in other volunteer projects. But soon enough she formed her own group, Mountain Cleaners. Jodie Underhill says the work is very hard. But she praises the group's efforts as a wonderful experience. The young Englishwoman says the Indian media started calling her “Garbage Girl”. And she says she was pleased with the name.

    American teenagers also volunteer in many ways .

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    Four Must-See Route 66 (66号公路) Attractions

    The United States is full of odd roadside attractions. Route 66 is home to some of the oldest and most known attractions of them all. Here are four attractions you should see along the Mother Road:

    ⒈Paul Bunyan and a Hot Dog

    Route 66 travelers pass by many fiberglass giants（巨人）right along the road. These giants were a popular form of advertising in the 1960s.Many of them stood in front of service stations. They held car parts, such as mufflers. The collection of Route 66 giants became known as “Muffler Men”. Businesses hoped the strange statues would get travelers' attention.

    The first fiberglass giant was a “Paul Bunyan” figure, built in the early 1960s. It's said that Paul Bunyan is a famous wood worker.

    ⒉Crown Candy Kitchen and Jamaica Ray

    Crown Candy Kitchen has been serving Route 66 travelers from the very beginning. It is just a few short blocks from the 66 path through St. Louis, Missouri. The family-run soda fountain shop opened more than 100 years ago, and has been making candies and meals ever since.

    On weekends, people sometimes wait in line for a table at Crown Candy for over an hour. Luckily there is free entertainment right outside. Jamaica Ray, a local folk artist, creates unusual sculptures.

    ⒊The World's Largest Rocking Chair

    Fanning, Missouri, is home to one of the strangest Route 66 attractions. Just off the road sits an almost 13-meter-tall rocking chair.

    The structure was completed in 2008 on the first of April, or April Fool's Day. At one time the chair actually rocked. But officials decided it had to be still to be safe for ever. People are not permitted to climb the chair. We think, however, that it probably happens once in a while, when no one is watching.

    ⒋Big Texan's Steak Challenge

    Few places better represent the common expression “Everything's Bigger in Texas” than the Big Texan Steak Ranch. Since 1960.it has appealed to travelers with big appetites and a big love of beef.

    It is hard to miss the huge yellow restaurant or the giant cow statue that sits out front. The cow advertises Big Texan's special deal, and what has made this steak ranch famous: a “free” 72-ounce（英两）or 2-kilogram steak. There is one trick: the steak is only free if you can eat the entire thing in one hour.

    A special table is in the middle of the restaurant for the daring diners who accept the challenge. Since 1990, more than 9,000 diners have eaten the entire 2-kilogram steak.

    A team of UK researchers recently compared the performances of 120 women and 120 men in a computer test involving switching between tasks of counting and shape recognition.

    Men and women were equally capable when tasks were handled one at a time. But when the tasks were mixed up, there was a clear difference. According to the paper published in the journal BMC Psychology, both women and men slowed down and made more mistakes as the switching became more rapid. But the men were slower, taking 77 percent longer to answer, whereas women took 69 percent longer.

    To make the experiment more relevant to day-to-day life, researchers tried a second test. A group of women and men were given eight minutes to complete a series of everyday tasks, such as finding restaurants on a map, doing simple math problems, answering a phone call, or deciding how they would search for a lost key in afield. Once again, women outperformed men in the test, particularly in the key-searching task.

    “It suggests that in a stressed and complex situation women are more able to stop and think about what's going on in front of them,” researcher Keith Laws of the University of Hertfordshire, UK, told BBC News. “In contrast, men had a slight impulsiveness（冲动）, answering without giving much thought to their responses.”

    So where do women get the ability to keep organized under pressure better than men? Researchers believe that it has its roots in evolution. In early human communities, women had to keep an eye on children while cooking meals. Meanwhile, men only needed to focus on hunting.

    When athletes at the 2020 Tokyo Olympics collect their medals, they'll not only be wearing something that celebrates their sporting performance, but something that symbolizes lastingness. For both the 2020 Olympics and Paralympics, organizers aim to make all of the gold, silver, and bronze medals out of used electronics. This strong message about how to make use of e-waste has gotten a lot of Japan involved.

    Starting in April 2017, the Japanese Olympic Committee began collecting old laptops, digital cameras, smartphones, and other abandoned electronics. The initiative(倡议)has achieved great  success. Already, the quantity needed for bronze medals has been met, and they're in the homestretch for silver and gold medals, meaning the collection process can pack up at the end of March.

    When looking just at the number of cell phones collected, the amount of waste is shocking. In a period of about 18 months, a little over 5 million smartphones were collected thanks to cooperation with NTT DOCOMO.

Japan's largest mobile phone operator allowed the public to turn in phones at their shops, which counted a lot in the project's success.

    After being taken apart and sorted, the small electronics underwent a smelting process to extract(提炼)all the gold, silver, and bronze elements. Thanks to this initiative, the worldwide struggle with e-waste will have a global platform. According to a study published by the United Nations University—44.7 million metric tons of e-waste were made in 2016. Only 20% of that was actually recycled. Unfortunately, this figure is set to rise significantly in the coming years, moving to 52.2 million metric tons by 2021. So while the Tokyo Olympics initiative might be just a drop in the bucket, it's a good start in showing what the public can do if they're made more aware of the issue.

    Everybody hates rats. But in the earthquake capitals of the world—Japan, Los Angeles, Turkey—rats will soon be man's new best friends.

    What happens after an earthquake? We send in rescue dogs. Why? Because they can smell people. Dogs save lives. They help rescuers to find living people. But dogs are big and they can't get into small spaces. So now a new research project is using a smaller animal to save lives: the rat.

    How does it work? First, the rat is trained to smell people. When this happens, the rat's brain gives a signal (信号). This is sent to a small radio on its back, and then the rescuers follow the radio signals. When the rat's brain activity jumps, the rescuers know that someone is alive. The rat has smelled that person.

    Although there are already robots which can do this job, rats are better. Christian Linster at Cornell University, New York, says, "Robots' noses don't work well when there are other smells around. Rats are good at that." Rats can also see in the dark. They are cheaper and quicker to train than dogs, and unlike robots, they don't need electricity!

    The "rat project" is not finished, but Julie Ryan of International Rescue Corps in Scotland says, "It would be fantastic. A rat could get into spaces we couldn't get to, and a rat would get out if it wasn't safe." Perhaps for the first time in history, people will be happy to see a rat in a building (but only after an earthquake, of course).