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    If ever a drink were invented to satisfy the thirst of social media, this may be it.

    With its fantastic name, bright pink and blue twist topped with a pillow of whipped cream, Starbucks' new Unicom Frappuccino(独角兽星冰乐) practically asks to be posted on social media.

    And a glimpse at Twitter shows Unicom Frappuccino is indeed gaining attention.

    So what's in it? As Starbucks describes it: “A sweet dusting of pink powder, mixed into a Frappuccino with mango syrup and layered with a pleasantly sour blue drizzle. It is finished with vanilla whipped cream and a sprinkle of sweet pink and sour blue powder topping.”

    A look at the ingredients reveals a list less fantastic. The pink powder is actually sugar and "Fruit and Vegetable Color.”

    Starbucks advertises the drink “^,as rare as a unicorn." But unicorn food is actually a thing. The BBC reports, it's fashionable to post pictures of rainbow colored food which reminds of the fairy tale creature.

    Rainbow sushi, anyone?

    As for the Unicorn Frappuccino, Lori Aquino said the drink caught her eye on social media. Then people at work were talking about it. “I saw it was coming out today, so I decided to try it,” Aquino said at a Washington D.C. Starbucks. “I'll probably put it on Snapchat or Instagram.”

    She bought one to share with her two coworkers.

    And the opinion?

    “It's kind of nasty,” Aquino said.

    Letitia Winston agreed: "Nope. That will not be something I come looking for."

    But Moriam Animashaun was more forgiving. "It's not bad,” she said, “It's just really sweet.”

    A 16-ounce medium, or a grande in Starbucks speak, comes in at 410 calories, 59 grams of sugar and 16 grams of fat.

    One thing the women agreed on was the drink's appearance. “It's pretty," said Animashaun.

    “It looks nice," agreed Winston.

    And in the age of likes, snaps and tweets, the fantasy image may be all that matters.

    The Unicom Frappuccino is available April 19 through April 23 at participating stores in the United Stales, Canada and Mexico.

The Exterminating Angel

Director: Luis Bunuel

Country/Date: Mexico/1962(black and white)

Introduction: A party is organized in a high class society house. Many people are drinking and eating. It's getting late, but nobody is leaving. Even though the door is open, people seem to be locked in the house. They can't leave either the day or on the following days. So a rescue began.

The Net

Director: Irwin Winkler

Country/Date: USA/1995

Introduction: Angela Bennettt is a computer programmer who has devoted her life to computers and the Internet. She spends hours and hours in front of the screen. She does everything over the Internet, and she has some close friends in a chat room, though she has never talked to her neighbors.

Kung Fu Panda

Director: Mark Osborne & John Stevenson

Country/Date: Mexico/2008

Introduction: The leading character is a panda whose name is Po. He is lazy first but he has a great dream--to be a kung fu master. To make his dream come true, he goes to a faraway temple to learn kung fu from a master. However, one of his brothers, Tai Long wants to become the kung fu master, killing many of his brothers even the master. So Po fights against Tai Long and defeats him. The film is good especially for kids.

Life is Beautiful

Director: Roberto Benigni

Country/Date: Italy/1998

Introduction: In 1939, during World War II in Italy, Guido, a hopeful man, the main character fell in love with Dora, and they got married. Five years later, their lives changed. Guido and Joshua were taken by Nazis(纳粹) to a concentration camp and Dora also went there with her husband and son. At that place, Guido tried his best to save his son's life in a special way.

    Everybody is happy as his pay rises．Yet pleasure at your own can disappear if you learn that a fellow worker has been given a bigger one．Indeed, if he is known as being lazy, you might even be quite cross．Such behavior is regarded as "all too human", with the underlying belief that other animals would not be able to have this finely developed sense of sadness．But a study by Sarah Brosnan of Emory University in Atlanta, Georgia, which has just been published in Nature, suggests that it is all too monkey, as well．

    The researchers studied the behaviors of some kind of female brown monkeys．They look smart． They are good-natured, co-operative creatures, and they share their food happily．Above all, like female human beings, they tend to pay much closer attention to the value of "goods and services" than males．

    Such characteristics make them perfect subjects for Doctor Brosnan's study．The researchers spent two years teaching their monkeys to exchange tokens （奖券） for food．Normally, the monkeys were happy enough to exchange pieces of rock for pieces of cucumber．However, when two monkeys were placed in separate and connected rooms, so that each other could observe what the other is getting in return for its rock, they became quite different．

    In the world of monkeys, grapes are excellent goods （and much preferable to cucumbers）．So when one monkey was handed a grape in exchange for her token, the second was not willing to hand hers over for a mere piece of cucumber．And if one received a grape without having to provide her token in exchange at all, the other either shook her own token at the researcher, or refused to accept the cucumber．Indeed, the mere presence of a grape in the other room （without an actual monkey to eat it） was enough to bring about dissatisfaction in a female monkey．

    The researches suggest that these monkeys, like humans, are guided by social senses．In the wild, they are co-operative and group-living．Such co-operation is likely to be firm only when each animal feels it is not being cheated．Feelings of anger when unfairly treated, it seems, are not the nature of human beings alone．Refusing a smaller reward completely makes these feelings clear to other animals of the group．However, whether such a sense of fairness developed independently in monkeys and humans, or whether it comes from the common roots that they had 35 million years ago, is, as yet, an unanswered question．

    Since English biologist Charles Darwin published On the Origin of Species in 1859, scientists have vastly improved their knowledge of natural history. However, a lot of information is still of the speculation, and scientists can still only make educated guesses at certain things.

    One subject that they guess about is why some 400 million years ago, animals in the sea developed limbs (肢) that allowed them to move onto and live on land.

    Recently, an idea that occurred to the US paleontologist (古生物学家) Alfred Romer a century ago became a hot topic once again.

    Romer thought that tidal (潮汐的) pools might have led to fish gaining limbs. Sea animals would have been forced into these pools by strong tides. Then, they would have been made either to adapt to their new environment close to land or die. The fittest among them grew to accomplish the transition (过渡) from sea to land.

    Romer called these earliest four-footed animals “tetrapods”. Science has always thought that this was a credible theory, but only recently has there been strong enough evidence to support it.

    Hannah Byrne is an oceanographer (海洋学家) at Uppsala University in Sweden. She announced at the 2018 Ocean Sciences Meeting in Oregon, US, that by using computer software, her team had managed to link Homer's theory to places where fossil deposits (沉积物) of the earliest tetrapods were found.

    According to the magazine Science, in 2014, Steven Balbus, a scientist at the University of Oxford in the UK, calculated that 400 million years ago, when the move from land to sea was achieved, tides were stronger than they are today. This is because the planet was 10 percent closer to the moon than it is now.

    The creatures stranded in the pools would have been under the pressure of “survival of the fittest”, explained Mattias Green, an ocean scientist at the UK's University of Bangor. As he told Science, “After a few days in these pools, you become food or you run out of food... the fish that had large limbs had an advantage because they could flip (翻转) themselves back in the water.”

    As is often the case, however, there are others who find the theory less convincing. Cambridge University's paleontologist Jennifer Clark, speaking to Nature magazine, seemed unconvinced. “It's only one of many ideas for the origin of land-based tetrapods, any or all of which may have been a part of the answer,” she said.

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When we meet someone for the first time, we usually get a vague sense of what kind of person they are by the way they shake hands, talk, or walk. In the age of social networking, however, first impressions are sometimes made even before we actually meet someone in person—that is, by looking at their profile photo.

    According to a recent study, these social images say a lot about our personality. In the study, presented in a paper at the International AAAI Conference on Web and Social Media, a group of researchers from the University of Pennsylvania in the US used software to analyze the profile pictures of 66,000 users of US social platform Twitter and 3,200 of their tweets. At the same time, about 434 participants were asked to complete a survey about their personality type. The researchers wanted to find out if there was a connection between personality traits—like openness, extroversion, and neuroticism(神经质)—and a person's profile picture.

    According to the results, open people are more likely to pose in an unusual way and use objects such as glasses or a guitar in their profile photo because they enjoy new and exciting experiences. Meanwhile, neurotic people often hold back their negative emotions. They try to avoid showing their face；Instead, they use an image of something like a pet, a car or a building.

    Apart from the objects in profile pictures, the colors used in them also give us some hints about the photo's owner. For example, extraverts were found to have the most colorful profile images, as they want to emphasize their personality and show themselves off, the researchers wrote.

    Although social media photos "usually represent an extension of one's self, they also allow a user to shape his or her own personality and idealized view," according to the researchers. So, when choosing a profile photo, maybe we should ask ourselves first what kind of image we'd like to convey. After all, first impressions always last.