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    The kindly “Chinese Fortune Grandpa” wearing Han Chinese clothing and holding a fortune bag debuted(亮相) at the Imperial Ancestral Shrine in Beijing on the day after Christmas. The final image of the Chinese gift-giver was selected through a global design competition that cost millions of yuan. Its debut seems to be a sign of competition against “Santa Claus”, according to a report by Guangming Daily.

    Many Chinese cities have been filled with Christmas neon lights, Christmas songs, Christmas trees, and the images of “Santa Claus” in recent days. As a matter of fact, foreign festivals are becoming more popular than certain traditional Chinese festivals among the Chinese people, particularly the youth. “Certain traditional festivals have died out because people have forgotten their spiritual meanings,” said noted writer Feng Jicai. More and more Chinese people are beginning to exchange gifts on Valentine's Day and Christmas. However, many of them know nothing about Chinese New Year pictures or sugarcoated figurines(小糖人), and have never heard suona music. Certain folk customs on the Dragon Boat Festival, Tomb Sweeping Day, and other traditional festivals have gradually disappeared. Under such circumstances, even the “Chinese Fortune Grandpa” is unlikely to defeat “Santa Claus”.

    However, it is not a bad thing to some extent. It constantly reminds people to restore the “true face” of traditional festivals. China has listed traditional Tomb Sweeping Day, Dragon Boat Festival and Mid-Autumn Festival as legal holidays, which brings more paid leaves to the public, and helps to awaken the public awareness of traditional festivals.

    In modern society, festival is a carrier of culture and its meaning largely depends on their understandings and usages by people. Compared with foreign festivals, traditional Chinese festivals are not inferior(次于) in cultural meanings, but lack of fashion sought by modern people. If people do not appreciate the historical culture contained by traditional festivals, and only take pleasure-seeking as the most important, the significance of traditional festivals will fade away and the inheritance(继承) of fine traditional culture will be cut off.

    Are you so sure your mistakes are just mistakes? Or could they be building blocks to a success beyond any you imagined?

    When my friend Dorothy goes home to visit her family each Thanksgiving, her mother serves the traditional “mistake salad”. The dish was born many years ago, Dorothy explains, when mother was using a cookbook to make a salad. In the process, by mistake, mother included half the salad ingredients (原料) from a recipe (食谱) on the left side of the open cookbook, and half the ingredients from a different salad recipe on the opposite page. Everyone enjoyed the salad so much that she continued to serve it every year. So it was really not a mistake at all.

    Then there was the man named Alfred, who invented dynamite (炸药). When Alfred's brother died, the city newspaper mistook his brother for him, saying in the news that the dead's most famous act was the creation of bombs (炸弹). Surprised to consider that his name would forever be connected with destruction, Alfred wanted to leave a more positive impression on people. So he set a prize for people who made contributions to world peace. Now the Nobel Prize, set up by Alfred Nobel, is the most respected prize in the world.

    Everything is part of something bigger, and so are mistakes. In his brilliant book Illusions, Richard Bach explains that every problem comes to you with a gift. If you only fix your attention on what went wrong, you miss the gift. If you are willing to look deeper and ask for the bright, the problem will disappear. You are left only with the learning, and you go forward on your path.

    Tiny as they are, bats have the ability to “see” in the dark by using a special skill called echolocation(回声定位法). They make noises and wait for sound waves, or an echo, to bounce(反弹) back off objects. They can tell the distance of various objects by how quickly the sound waves bounce back off them. If no sound bounces back, they can then fly forward.

    This special ability has been simulated in the human world for a long time, such as in submarines and planes, whose sonar(声呐) systems are somewhat similar to echolocation. But apart from helping vehicles “see” where they are, what if blind people could use echolocation for themselves? It turns out, some already are.

    American Daniel Kish, who is blind, is known as “Batman”. This isn't because he walks around in a cape and a mask, but because he has a bat-like ability to locate where he is through sharp clicks he makes by moving his tongue against the roof of his mouth. Kish is so skilled at echolocating that he can ride a bike and hike on his own.

    Recently, research carried out at the University of Durham in England shed some light on the power of human echolocation.

    Kish worked with a group of scientists who studied the way blind people listen to the echoes that they produce from clicks.

    The team, which conducted experiments with other volunteers, found that people were capable of hearing even very faint echoes, ones far fainter than had been previously thought.

    Speaking to The Independent, Lore Thaler, lead scientist of the group, said, “We found that in some conditions, they were really faint – about 95 percent softer than the actual clicks, but the echolocators were still able to sense this.”

    Andrew Kolarik of the University of Cambridge is another expert in echolocation. Reacting to the Durham study, he told BBC News that echolocation “can be very useful at providing information at face or chest height” and could help people “avoid objects like low hanging branches that might not get detected by the cane or a guide dog”.

    Although Kish's skill is remarkable, there's hope for other blind people who want to use echolocation. According to BBC News, echolocation is a skill blind people can acquire and develop, just like learning a language. As Kolarik said: “Teaching echolocation skills could provide blind people with the means of exploring new places.”

    While the start of a new school year is always exciting, this year was even more so for some elementary school students in Auckland, New Zealand. They became the world's first kids to be “taught” by a digital teacher, Will. Will is just an avatar(用户头像) that appears on the student's desktop, tablet, or smartphone screen, not a human-like robot walking around the classroom.

    Auckland energy company Vector and AI company Soul Machines worked together to develop Will, which has been modeled after the human brain and nervous system, allowing it to perform human-like behavior. The digital teacher is currently assigned to teach Vector's “Be sustainable with energy,” a free program for Auckland elementary schools.

    Just like the humans it replaced, Will is able to instantly react to the students' responses to the topic. Thanks to a webcam(网络摄像头) and microphone, the avatar not only responds to questions the kids may have, but also picks up non-verbal cues(非口头提示). For instance, if a student smiles at Will, he responds by smiling back. This two-way interaction not only helps capture the students' attention, but also allows the program's developers to monitor their engagement, and make changes if needed.

    Vector's Chief Digital Officer, Nikhil Ravishankar says, “What was fascinating to me was the reaction of the children to Will. The way they look at the world is so creative and different, and Will really captured their attention.”

    Will, in place since August 2018, has been a great success thus far. However, regardless of how popular it becomes, Will is unlikely to replace human educators any time soon. For one, the avatar's knowledge base is severely restricted. But more importantly, even the smartest digital avatars could never predict and react to all the unexpected situations that educators have to deal with on a daily basis. However, it could come in handy as a “personal tutor”, providing kids with one-on-one help on specific subjects or even topics.

    A new study of 8, 000 young people in the Journal of Health and Social Behavior shows that although love can make adults live healthily and happily, it is a bad thing for young people. Puppy love (早恋) may bring stress for young people and can lead to depression. The study shows that girls become more depressed than boys, and younger girls are the worst of all.

    The possible reason for the connection between love and higher risk of depression for girls is "loss of self". According to the study, even though boys would say "lose themselves in a romantic relationship", this "loss of self" is much more likely to lead to depression when it happens to girls. Young girls who have romantic relationships usually like hiding their feelings and opinions. They won't tell that to their parents.

    Dr Marianm Kaufman, an expert on young people problems, says 15% to 20% young people will have depression during their growing. Trying romance often causes the depression. She advises kids not to jump into romance too early. During growing up, it is important for young people to build strong friendships and a strong sense of self. She also suggests the parents should encourage their kids to keep close to their friends, attend more interesting school activities and spend enough time with family.

    Parents should watch for signs of depression—eating or mood changes—and if they see signs from their daughters or sons, they need to give help. The good news is that the connection between romance and depression seems to become weak with age. Love will always make us feel young, but only maturity gives us a chance to avoid its bad side effects.

When Zhi Yueying,then 19,went to the remote Niyang village in Yichun City,Jiangxi Province,to work as a village teacher in 1980,villagers were doubtful if she was going to stay long.

Over the past four decades,Zhi has devoted herself to rural education.She is a recipient of Touching China awards that recognize the most inspiring role models in 2016.She was also awarded as a model poverty fighter by the government.Zhi has a profound understanding of the importance of education in the mountains.Over the years,she has taught the students and cared for them,since many of them were "left-behind" children whose parents migrated to other places to work.More than 1,000 students of hers have left the mountain area,and created a better life for themselves.

Located amid the mountains,the village was very poor and far from any town.Villagers had to hike in the mountains."I arrived at the school in an early evening,and was shocked.I had known the conditions were poor,but the reality was worse." Moreover,local people needed to go downhill to buy daily necessities,and transport them back in their hands or balanced across their shoulders."I had never walked uphill on a mountain road before,so I walked much more slowly than others;sometimes I walked slowly behind too much and was scared to tears," says Zhi.Sometimes she had to walk uphill by herself with a flashlight at night.The wild boars and rabbits sometimes frightened her and she enhanced her courage by singing loudly.

But she gradually got used to her life there.At the beginning,she found many local people valued their sons far more than their daughters,and would not like to let them attend school.Zhi went to their homes repeatedly and gradually persuaded them to send all their children to school.For those who could not afford the tuition,she spared her own money to help.

Zhi says seeing her students do well beyond the mountains is deeply rewarding."My dream,the same as before,is to stay by the side of more children.I know poverty will forever say goodbye to the mountainous villages,to my students,and to myself," says Zhi.