Yosemite is a national park in California. It is very beautiful and big. The park includes more than 760,000 acres (英亩) in the California Mountains. Most of the park is wild (荒凉的).

    The part of Yosemite that everyone likes is Yosemite Valley. It is a small valley that is 7 miles long and less than 1 mile wide. It has tall rock walls and streams that flow down in waterfalls. More than two million visitors come to the valley each year.

    It's said that the number of visitors is more than the land can hold. The valley has 4,500 camping places. It has a hotel that can hold 4,000 families. This is still not enough to serve all of the visitors. The valley has grown so big that it has a lot of traffic.

    A worker says the park is trying to keep the beauty of the park and let everyone visit. Some areas have been rounded up (圈起来) to keep people away and planted with seeds to try to keep them beautiful.

    A former worker thinks Yosemite should get more money to take better care of the park. He would also like to teach people what the park service is trying to do.

    Some people are trying to save Yosemite Valley. A plan has been made to remove some buildings. There will be fewer cars allowed inside the park. More buses will help get people around.

    Luciano Baietti, a retired school headmaster from Italy, holds the Guinness record for the most university degrees. The 70­year­old currently has 15 bachelors(学士) or masters degrees from various universities across Italy, and is getting ready to get his 16th.

    Getting more than one college degree is not exactly unheard­of, but 15 is apparently quite impressive, since it's only been done by one man. Although he spends his days working around his house and garden, like most people his age, at night, Baietti turns into a student again. Every morning, at 3 a. m．， he wakes up and studies by the light of his desk lamp.

    “Thanks to books, I feel free. After all, the words share the same root，” he says, referring to the Italian words libro(book) and libero(free). He is inspired by the 19th century French essayist Louis­Francois Berlin, whose portrait(肖像)is also on display in his study, alongside his many framed university degrees, and whom he describes as “a man of culture and knowledge”．

    Baietti first made it into the Guinness Book of Records in 2002, after his eighth degree. Then he spent the next 15 years adding seven more bachelors and masters degrees to his collection.

    “Each time I set myself a new challenge to see how far my body and my brain can go.” At 70 years old, Baietti thinks he has enough energy for at least one more degree, this time in food science.

    Probably the most important thing about Baietti's achievement is that he managed to get most of his university degrees while working as headmaster of a secondary school, and volunteering with Italy's Red Cross. The secret was always getting up at 3 in the morning to make sure that his thirst for knowledge didn't affect his professional activity and his family life. He spent 3 hours studying every day, and that was apparently all he needed to pass his exams and write his theses (论文)．

    Have you ever run into a careless cell phone user on the street? Perhaps they were busy talking, texting or checking updates on WeChat without looking at what was going on around them. As the number of this new “species” of human has kept rising, they have been given a new name — phubbers（低头族）.

    Recently, a cartoon created by students from China Central Academy of Fine Arts put this group of people under the spotlight. In the short film, phubbers with various social identities bury themselves in their phones. A doctor plays with his cell phone while letting his patient die, a pretty woman takes selfie（自拍照）in front of a car accident site, and a father loses his child without knowing about it while using his mobile phone. A chain of similar events eventually leads to the destruction of the world.

    Although the ending sounds overstated, the damage phubbing can bring is real. Your health is the first to bear the effect and result of it. “Constantly bending your head to check your cell phone could damage your neck,” Guangming Daily quoted doctors as saying. “the neck is like a rope that breaks after long-term stretching.” Also, staring at cell phones for long periods of time will damage your eyesight gradually, according to the report.

    But that's not all. Being a phubber could also damage your social skills and drive you away from your friends and family. At reunions with family or friends, many people tend to stick to their cell phones while others are chatting happily with each other and this creates a strange atmosphere, Qilu Evening News reported.

    It can also cost you your life. There have been lots of reports on phubbers who fell to their death, suffered accidents, and were robbed of their cell phones in broad daylight.

    My first impression of Miss Vicki was a highly authoritative(权威的) person towering over me. She spoke in a loud voice and the earth shook whenever she marched. That was in the first year of high school. She was a knowledgeable literature teacher then. However, during my first year in school, she struck terror into my heart(使我胆战心惊). And everyone else's of course. Just the mention of her name made the most unruly classes silent.

    Nevertheless, the two years of junior high passed by rather quickly. Soon, I went to senior high class. I had worked hard and gotten the subject combination that I wished for. Together with a group of old friends, I soon settled down in class comfortably.

    To everyone's surprise, she was fortunate enough to be my teacher that year. I was shocked when I heard the news. This time round, however, I decided not to hide in terror whenever she was near. I decided to face the fact that we were going to meet each other for the next 365 days. Instead of trying too hard to lick her boots, I tried my best to my natural self in front of her.

    Still, I could not shake off the ice-cold impression that she put in my heart. True, her jokes sometimes sent me into fits of laughter, yet at other times these jokes simply fell flat the moment she told them. My lovely class, however, was already ready to laugh at the right time of her amusing stories. After all, we would not want to run the risk of provoking(激怒) her.

    Unluckily, life was not to remain boring. One day we received news that Miss Vicki was to leave Singapore for the Philippines where she would take part in a voluntary teaching program for the poor. We did not know what to say actually. All of us cried at the airport.

    Moving flight times from night to day could reduce air travel's contributions to global warming, a new study suggests. Scheduling more (lay time flights may reduce the influence of contrails ——the visible lines of white steam that many planes leave behind them in the sky.

    The role of contrails in climate change is still being studied, but some scientists believe they contribute to the greenhouse effect by trapping heat in the atmosphere.

    Nicola Stuber, first author of the study, suggests that contrails' overall impact on climate change is almost as big as that of aircraft^? s carbon dioxide emissions (排放)over a hundred-year period. Aircraft are believed to be responsible for 2-3% of human carbon dioxide emissions. Like other high, thin clouds, contrails reflect sunlight back into space and cool the planet. However, they also trap energy in the atmosphere and increase the warming effect.

    Stuber and other scientists believe that the effect of the contrails is big. "On average, the green-house effect controls the effects of contrails, said Stuber, a meteorologist at England's University of Reading." The warming effect is far greater for contrails left by night flights," Stuber added. "The cooling effect only happens (luring the day when the sun is up. During the night the greenhouse warming is no longer balanced and that is why the contribution of night-flight is so large."

    Most commercial airline traffic occurs during daylight hours. For example, only one in four United Kingdom flights is a night flight, but those flights create some 60% of the warming created by contrails, the study reports.

Short Short Story Competition

We're looking for short fiction stories! Think you can write a winning story in 1,500 words or less? Enter the 21st Annual Writer's Digest Short Short Story Competition for your chance to win $3,000 in cash, get published in Writer's Digest magazine, and a paid trip to our ever popular Writer's Digest Conference!

Prizes

The First Place Winner will receive：

●$3,000 in cash

●Their short story title published in Writer's Digest magazine's September 2021 issue

●A paid trip to the Writer's Digest Annual Conference

The Second Place Winner will receive:

●$1,500 in cash

●Their short story title published in Writer's Digest magazine's September 2021 issue

The Third Place Winner will receive:

●$500 in cash

●Their short story title published in Writer's Digest magazine's September 2021 issue

Fourth through Tenth Place Winners will receive:

●$100 in cash

●Their short story titles published in Writer's Digest magazine's September 2021 issue

Eleventh through Twenty-Fifth Place Winners will receive:

●A $50 gift certificate for writersdigestshop.com

How to Enter

●All entries must be submitted online. Entries must be accompanied by the required judging fee. We accept PayPal or credit card payment for the required judging fee.

●All entries must be in English. Only original works that have not been published in print, digital or online publications will be considered

●BE SURE OF YOUR WORD COUNT! Entries beyond the word limits will be disqualified. Type the exact word count at the top of the manuscript(稿件).

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