Believe it or not, school uniforms are absolutely not only clothes for students. They stand for the culture or beauty appreciation standard of a country. Let's take a look at school uniforms in different nations.

    School Uniforms in England

    Style of English school uniforms is rather classic, simple and elegant. Boys wear conventional western-style clothes, regular leather shoes and must wear neckties. Girls also wear western-style clothes, regular leather shoes and must wear bow-ties. This classic clothing style unconsciously affects English students' temperament (气质) and also sense of beauty.

    School Uniforms in Korea

    Do you still remember the classic scenes in My Sassy Girl? If you've watched it, you will know how stylish Korean students' uniforms are. Boys wear nice white shirts and western-style trousers. Girls wear white shirts, lovely skirts of latest design and bow knots.

    School Uniforms in Malaysia

    Students in Malaysia obey rather strict rules. Girls' dresses must be long enough to cover the knees. Shirts must cover the elbows. Compared with Thai students, they are much more conservative.

    School Uniforms in Japan

    For students, school uniforms in Japan are not only symbols for schools, but also symbols for the current fashion trends, even affecting students when choosing a school. Japanese school uniforms for girls originate in sailor suits. So they are also called sailor suits or sailor uniforms. Cartoon elements are used on them. Japanese school uniforms for boys are classic dark-colored clothes with stand-up collars, similar to Chinese tunic suits.

    Durian(榴莲) is probably the smelliest fruit in the world, letting out an unusual unpleasant smell which would make anyone bring up. However, nobody was aware of what gave this fruit its unique smell, so a team of researchers from Singapore decided to take a look at its genome (基因组) and find out,

    Durian is well-known throughout Southeast Asia as the king of fruits, mostly because of its awful appearance and smell. However, the origin of this unpleasant smell was unknown, so researchers decided to map the genome of the fruit, and find the gene that controlled it. A group of genes, volatile sulfur compounds (含硫化合物), became very active in the fruit, and they were found responsible for resulting in the unpleasant smell.

    The fruit confuses everyone with a sulfuric smell, like rotten onions and ingredients. The smell lasts long, mostly because the fruit contains more volatile sulfur compounds. Other species usually benefit from two gene copies at most, but durian has four, leading to the striking smell.

    However, this smell might be an advantage for durian in the wild. Although we find it unpleasant, many animals might be attracted by it. If they eat the fruit, then they can easily spread its seeds everywhere, thus contributing to the distribution of the species.

    The mapping of the durian genome also showed some other information on the species. First of all, the fruit has an impressive number of genes, namely 46,000. Also, with the help of these genes, they saw how it evolved, and discovered it was related to the cacao tree. All the other discoveries have been published in the journal Nature Genetics.

    Despite the striking smell, many people actually enjoy eating the fruit. However, not all durian species are edible, and some of them may even cause damage to our health, Even so, the fruit is often imported, significantly contributing to the economy.

    When you're a junior in high school, three little letters quickly become larger than life: SAT.

    At the start of my junior year, I realized that the environment was packed with competition. Surprisingly, this pressure didn't come from adults. It came from the other students. Everyone in my grade had college on the brain. To get into the college of our choice, we all believed, we had to outcompete and outscore everyone else with less sleep, because time for sleeping was time you didn't spend studying for the SAT.

    I let myself get swept up in the pressure. My new motto was, if I wasn't in every single honor level class, I wasn't doing enough. I was bad-tempered and I couldn't focus. I stopped talking to my friends and my mom, and I couldn't figure out who I was. I didn't have the confidence to know that my own passions and unique skills were what would make me stand out to colleges.

That's when I realized: I am not my SAT score. Trying to stick to what I thought colleges wanted masked who I really am. I decided to rely on my strengths and get away from the crazy pressure I was putting on myself.

    Instead of forcing myself into higher levels of math, I took on an extra history class. I learned how to love what I was doing and not what I thought I was supposed to do. I learned to shine as an individual, not a faceless member of the crowd. And I found that not only was this better for my happiness, but it also made me more effective and efficient when I studied.

    To me, individuality means having the confidence to decide who I am and who I want to be, and a number on a page is never going to change that. I am more sure of myself, and more ready to apply for college, than ever.

    While Black Friday and Cyber Monday help start the holiday shopping season, Giving Tuesday, which will be observed on November 28, attempts to inspire the season of giving. Now in its sixth year, the charitable(慈善的)day uses the power of social media to encourage organizations and individuals to donate funds or resources to worthy causes. Its mission is to bring positive change to communities through giving.

    Though devoting just one day to a worthy cause may not seem much, Giving Tuesday makes a surprisingly significant impact. In 2015,ORGANIZE,an online organ donor program asked people to “Give with your Heart”,by becoming registered donors. Thousands of Americans listen to the cry for help, resulting in one of the largest digital donor drives in US history.

    That same year, the Cleveland Library and the Pratt Library in Baltimore competed to see who could encourage more donations. While the Pratt Library won with a $41,000 acquisition, the Cleveland Library was able to raise a fairly large amount for its programs as well. In 2016, the University of Michigan encouraged students and friends to donate to hourly challenges. They raised an amazing $5.5 million! The university hopes to recreate the magic this year, with a virtual celebration to mark the institution's 200th anniversary.

    Giving Tuesday is not just a US phenomenon, but a global movement. In 2016, 98 countries participated in the event, raising $177 million, a 44% increase over 2015, when 71 nations collected $116.7 million. These numbers can only increase as the day gains further recognition.

    Though donating funds is a great way to help, there are numerous other ways to support your local community. You can give back by volunteering at a nearby nonprofit or food bank. Social media experts can do their share by spreading the information and inspiring their colleagues to get involved. Another great way to celebrate Giving Tuesday is by helping those closest to you, whether that's assisting a family member with chores or helping a neighbor with yard work.

    “That one looks just like a sheep! And look over there. That one looks like a horse!” Do you remember lying on your back in a grassy field on a summer afternoon, discovering the soft shapes in the clouds in the sky? Those were the good old days when you could see anything and everything in the clouds.

    But now people look at the sky and see clouds in the shape of a motor company's advertising logo (商标),or a message inviting them to go out and buy a certain brand (品牌) of beer. These cloud pictures are not products of their imaginations. Instead, they are produced by a machine. These new floating advertisements are called Flogos; the name stands for “floating logos.” They' re made from a mixture of soapy foam (泡沫)and a lighter-than-air gas such as helium, and they can be made into different sizes and shapes depending on the advertisement.

    Flogos can last up to an hour if weather conditions are good, and they can fly several kilometers high. Advertisers can rent a Flogo machine for$2,500 a day. The set-up is normally performed within 1 to 2 hours, and it will release four Flogos per minute. Advertisers can fill the air with any shape or message they want.

    Some people are worried that the Flogos might not be pollution-free. However, the Flogo's inventor insists that the soap he uses is natural, and that a Flogo just dissipates in the air, leaving nothing behind. Though it may be true that Flogos are environmentally friendly, some people believe that the natural clouds in our memory may be replaced by man-made ones. They are afraid that soon there will be nowhere left where their imaginations can float freely.

    One evening in February 2007, a student named Paula Ceely brought her car to a stop on a remote road in Wales. She got out to open a metal gate that blocked her path. That's when she heard the whistle sounded by the driver of a train. Her Renault Clio was parked across a railway line. Seconds later, she watched the train drag her car almost a kilometre down the railway tracks.

    Ceely's near miss made the news because she blamed it on her GPS device. She had never driver the route before. It was dark and raining heavily. Ceely was relying on her GPS, but it made no mention of the crossing. "I put my complete trust in the device and it led me right into the path of a speeding train," she told the BBC.

    Who is to blame here? Rick Stevenson, who tells Ceely's story in his book When Machines Fail Us, points the finger at the limitations of technology. We put our faith in digital devices, he says, but our digital helpers are too often not up to the job. They are filled with small problems. And it's not just GPS devices: Stevenson takes us on a tour of digital disasters involving everything from mobile phones to wireless keyboards.

    The problem with his argument in the book is that it's not clear why he only focuses on digital technology, while there may be a number of other possible causes. A map-maker might have left the crossing off a paper map. Maybe we should blame Ceely for not paying attention. Perhaps the railway authorities are at fault for poor signaling system. Or maybe someone has studied the relative dangers and worked out that there really is something specific wrong with the GPS equipment. But Stevenson doesn't say.

    It's a problem that runs through the book. In a section on cars, Stevenson gives an account of the advanced techniques that criminals use to defeat computer-based locking systems for cars. He offers two independent sets of figures on car theft; both show a small rise in some parts of the country. He says that once again not all new locks have proved reliable, Perhaps, but maybe it's also due to the shortage of policemen on the streets. Or changing social circumstances. Or some combination of these factors.

    The game between humans and their smart devices is amusing and complex. It is shaped by economics and psychology and the cultures we live in. Somewhere in the mix of those forces there may be a way for a wiser use of technology.

    If there is such a way, it should involve more than just an awareness of the shortcomings of our machines. After all, we have lived with them for thousands of years. They have probably been fooling us for just a. s long.