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    According to a new study ,a smiley face emoji（笑脸符）in work-related e-mails may not create a positive impression and could even weaken information sharing. In formal business emails, a smiley is not a smile.

    In one of the experiments, people were asked to read a work-related e-mail from an unknown person and then tell about both the ability and warmth of that person. Before that, they all received similar messages. But some included smileys while others did not. The results suggested that contrary to face-to-face smiles, which increase both ability and warmth, the smileys in a business e-mail had no effect on the perception（感知）of warmth, and in fact had a bad effect on the perception of ability. The perceptions of low ability in turn weakened information sharing.

    In another experiment, the use of a smiley was compared to a smiling or neutral photograph. The findings showed that in the case（情况）of a photograph, a smiling sender was judged to be more able and friendly than a neutral one. However, when an e-mail on formal work-related maters included a smiley, the sender was thought to be less able. The smiley did not influence the opinion on the sender's friendliness.

    “People are easy to accept that a smiley equals a real smile, but the findings of this study show that in the workplace, this seems not the case, especially when first communications are concerned.” Dr. Glikson says. “In such a situation, it is better not to use smileys to people at whatever age. Smileys could hardly be a wise choice to a person you are not familiar with.”

    Ever order a drink, and feel cheated on the pour? Before you trouble the waiter, take a closer look at the size of your glass. “People will generally think there being less in larger containers, than in smaller ones.” Says Theresa Marteau, a behavioral scientist at the University of Cambridge, in England.

    She and her workmates had analyzed（分析）how larger amounts—and larger plates—trick us into eating more food. And they wondered: could the same be true for alcohol?

    So the researchers convinced the employees at a local bar to run an experiment: every two weeks, for four months, they'd change the bars wine glasses from the standard 300 milliliter size, to either slightly larger—370 milliliters, or slightly smaller—250 milliliters. They saw how the size of the glass affected customers' drinking habits, even though the pour, the amount of alcoholic drinks, was unchanged.

    It turned out that serving wine in smaller glasses had no measurable effect. But the large glasses increased wine sales 10 percent-even after controlling for day of the week, temperature, holidays and so on. The reason? “When the wine, the same amount, is being served in a larger glass, people are probably thinking they've got less in there.” Which, she says, means they might drink more, believing they haven't hit their nightly limit. Or, they might just feel less satisfied with the pour, and buy another round. The study appears in the journal BMC Public Health.

    Marteau says that, if later studies confirm this effect, public health officials might consider directing a certain average glass size. “Stating clearly the largest size in which wine can be sold could be a measure to reduce the overconsumption（过度消耗）of alcohol that seems to be shown by the glass size.” Until that happens, the bar in the study now always serves its wine in the larger glasses.

    When Vivienne Harr was 8 years old, she saw a photo she would never forget. It was a photo of two young boys carrying large, heavy rocks on their backs. These children were the same age as Vivienne. But they did not have the same freedom and opportunities that she had.

    In some parts of the world, children have to work hard long days and they can't go to school. Vivienne wanted to change this. “I want all kids to be able to go to school and play,” said Viienne, now 10. “I want them to be happy.”

    To help raise money for children like the two boys in the photo, Vivienne started a lemonade stand (柠檬汽水摊位) near her home in Marin County, California. She promised to work every day for a year, rain or shine. “Sometimes, it was hard for me, when the weather was bad or I wasn't feeling well,” said Vivienne. “But I knew that some children were having a harder time than I was.”

    Vivienne's goal was to raise $100,000 in 365 days. On Day 175, she reached her goal. But that didn't stop Vivienne from working. With the help of her family, she started Make a Stand. The company now puts Vivienne's lemonade into bottles and sells it in 130 stores around the US. A small part of sales goes to help achieve Vivienne's dream — to make the world a better place for all children.

    The iPhone XS and iPhone XS Max's internals are nearly the same: With each, you get a 12 megapixel camera, better-sounding speakers and the ability to pack two SIM cards into one device for international travelers or people who have to turn between a device for work and one for personal use.

    The phones come with Apple's new A12 bionic chip, which helps make Face ID and games load faster. Apple played up the speed of these new phones during its product announcement, and they are fast. But so were the models before them.

    Both models feature beautiful OLED screens that make watching videos, especially on the XS Max, totally surprising.

    Battery life is also improved on both devices. Apple (AAPL) says you can spare about 30 minutes longer on the XS compared to last year's X, and 90 minutes longer on the Max. It's not a game changer, but we'll take any extra minutes we can get.

    There is one major difference between the iPhone XS and XS Max: size. The Max is unquestionably big, but it's technically the same size as the iPhone 8 Plus. The edge-to-edge screen creates the illusion（幻想）the device itself is 21% larger than its predecessor, but it'll fit in your hands just as easily (or not) as older Plus models.

    But it's hard to shake the feeling that the device is big just to be big. Unlike the Samsung (SSNLF) Galaxy Note or the iPad, the XS Max doesn't support many features tailored for bigger screens, such as another row of apps or a side-by-side display that lets you use two apps at once. It's a missed opportunity.

    The real star of the new models is the camera. A new feature called Smart HDR shoots a four-frame object taken at different exposures and settings and mixes them together to create more detailed shots — similar to an existing feature on the Google Pixel 2.

    But the likely fan favorite feature is a change to the iPhone's Portrait Mode that lets you change the depth of a photo after you take it, allowing you to have more creative control. For example, you can snap a shot of a friend on a beach and change the background for an artsy feel. If you decide later you want to see more of the ocean, you can change the background via the edit button.

    It's an impressive feature, but the results also depend on your photo skills and the lighting. When it's good, it's really good. When it's not, you'll still get a good-looking picture. The Pixel 2 and Samsung Galaxy S9 offer a similar feature, too.

    The XS and XS Max come with headphones, but unlike last year, you won't find an adapter included in the box. This means you'll need to spend $9 more if you want to use an old pair of headphones. It's Apple's way of saying it's finally time to get over the fact there's no longer a headphone jack.

    The key to effective cross-cultural communication is knowledge. First, it is essential that people understand the potential problems of cross-cultural communication, and make a conscious effort to overcome these problems. Second, it is important to assume（假定）that one's efforts will not always be successful, and adjust one's behavior appropriately.

    For example, one should always assume that there is a great possibility that cultural differences are causing communication problems. One should respond slowly and carefully in cross-cultural exchanges, not jumping to the conclusion that you know what is being thought and said.

    William Ury's suggestion for heated conflicts is to stop, listen, and think, or as he puts it "go to the balcony" when the situation gets tense（紧张的）. This helps in cross-cultural communication as well. When things seem to be going badly, stop or slow down and think. What could be going on here? Is it possible that I misinterpreted what they said?

    Active listening can sometimes be used to check this out—by repeating what one thinks he/she heard, one can confirm that he/she understands the communication accurately.

    Often intermediaries（调解人）can be helpful in cross-cultural communication situations. They can translate both the essential meaning and the manner of what is said. For example, they can tone down strong statements that would be considered appropriate in one culture but not in another, before they are given to people from a culture that does not talk together in such a strong way. They can also adjust the timing of what is said and done. Some cultures move quickly to the point; others talk about other things long enough to establish a relationship with the other person. If discussion on the primary topic begins too soon, the group that needs a "warm up" first will feel uncomfortable. An intermediary who understands this can explain the problem, and make appropriate adjustments.

    In modern society there is a great deal of argument about competition. Some value it highly, believing that it is responsible for social progress and prosperity(繁荣). Others say that competition is bad; that it sets one person against another; that it leads to unfriendly relationship between people.

    I have taught many children who held the belief that their self-worth relied on how well they performed at tennis and other skills. For them, playing well and winning are often life-and-death affairs. In their single-minded pursuit of success, the development of many other human qualities is sadly forgotten.

    However, while some seem to be lost in the desire to succeed, others take an opposite attitude. In a culture which values only the winner and pays no attention to the ordinary players, they strongly blame competition. Among the most vocal are youngsters who have suffered under competitive pressures from their parents or society. Teaching these young people, I often observe in them a desire to fail. They seem to seek failure by not trying to win or achieve success. By not trying, they always have an excuse: "I may have lost, but it doesn't matter because I really didn't try."What is not usually admitted by themselves is the belief that if they had really tried and lost, that would mean a lot. Such a loss would be a measure of their worth. Clearly, this belief is the same as that of the true competitors who try to prove themselves. Both are based on the mistaken belief that one's self-respect relies on how well one performs in comparison with others. Both are afraid of not being valued. Only as this basic and often troublesome fear begins to dissolve(缓解)can we discover a new meaning in competition.