Dreams can be familiar and strange, fantastical or boring, but some dreams might be connected to the mental processes that help us learn. No one knows for certain why people dream, but some dreams might be connected to the mental processes that help us learn. In a recent study, scientists found a connection between nap-time dreams and better memory in people who were learning a new skill.

    In the study, 99 college students between the ages of 18 and 30 each spent an hour on a computer, trying to get through a virtual maze(迷宫). The maze was difficult, and the study participants had to start in a different place each time they tried — making it even more difficult. They were also told to find a particular picture of a tree and remember where it was.

    For the first 90 minutes of a five-hour break, half of the participants stayed awake and half were told to take a short nap. Participants who stayed awake were asked to describe their thoughts. Participants who took a nap were asked about their dream after sleep — and they were awakened within a minute of sleep to describe their dreams.

    Stickgold, a neuroscientist (神经科学家), to know what people were dreaming about when their eyes weren't moving, during sleep.

    Four of the 50 people who slept said their dreams were connected to the maze. Some dreamed about the music that had been playing when they were working; others said they dreamed about seeing people in the maze. When these four people tried the computer maze again, they were able to find the tree faster than before their naps.

    Stickgold suggests the dream itself doesn't help a person learn — it's the other way around. He suspects that the dream was caused by the brain processes associated with learning.

    All four of the people who dreamed about the task had done poorly the first time, which makes Stickgold wonder if the dreams show up when a person finds a new task particularly difficult. People who had other dreams, or people who didn't take a nap, didn't show the same improvement.

    One of the most important things in the world is friendship. In order to have friends, you have to be a friend. But how can you be a good friend at school?

    Listen — Listen when they are talking. Don't say anything unless they ask you a question. Sometimes it's not necessary for you to have anything to say; they just need someone to talk to about their feelings.

    Help them — If your friend is ever in need of something, be there to help them. You should try to put them first, but make sure you don't do everything they want you to do. Try to take an extra (额外的) pencil or pen with you to classes in case (以防) they forget one. Have a little extra money in your pocket in case they forget something they need.

    Be there for them — Try to make something for your friend to help make them feel better in hard times. Making cards and encouraging them are among the nicest things you can do for a friend. Marilyn Monroe, a famous U.S. actor, once said, “I often make mistakes. Sometimes I am out of control. But if you can't stay with me at my worst, you are sure not to deserve (值得) to be with me at my best.” Always remember this! If you don't want to stay with your friends when they're in hard times, then you don't deserve to be with them when they're having a good time!

    Try to make plans with your friends. Go shopping, go for ice cream, have a party, go to a movie and so on. Take time to know each other even better by doing something you both enjoy. By planning things together, you both can have a good time. And you'll remember these things when you're all old!

    Guide Dogs of America, A History is the book that we all have been waiting for. It's a book that tells how and where the guide dog movement really started, with information never before revealed--until now. After reading this 200-page, picture-filled work, you will know about every aspect of Guide Dogs of America(GDA) from its inception to how it has become one of the top guide dog schools in the country.

    Joseph W. Jones, Sr., was refused a guide dog because of his age--he was fifty seven--but he would not accept defeat. He researched the guide dog movement and with the help of the International Association of Machinists and Aerospace Workers, established his own school, one that would provide guide dogs free of charge to visually impaired people regardless of their age.

    The school graduated 18 guide dog teams the first year with students staying at, GDA's first trainer, Lambert Kreimer's house on South Virginia Avenue in Burbank, and Jones manning the office on Lankershim Boulevard in North Hollywood.

    In 1952, Jones addressed the quadrennial(四周年纪念的) IAM Grand Lodge Convention in Kansas City, Missouri. “I sincerely prayed to God for two things,” Jones said. “After my wife passed away and left me with a ten-year-old boy, I prayed that I would be spared long enough to see this organization well established and that my ten-year-old boy would become a man. Both prayers have been answered. The organization is well established, it is in the hands of the IAM and my boy is a man, and I am proud to say that today he is a member of the IAM.”

    Jones' pray for a successful organization had been answered now, ten years after he was rejected for being too old, his dream of having a guide dog for himself, hundreds of others had already been given the gift of sight because of his drive and determination. That school, now known as Guide Dogs of America, has provided guide dogs to thousands of people free of charge.

    Walk through the Amazon rainforest today and you will find it is steamy, warm, damp and thick. But if you had been around 15,000 years ago, during the last ice age, would it have been the same? For more than 30 years, scientists have been arguing about how rainforests like the Amazon might have reacted to the cold, dry climates of the ice ages, but until now, no one has reached a satisfying answer.

    Rainforests like the Amazon are important for mopping up CO₂ from the atmosphere and helping to slow global warming. Currently the trees in the Amazon take in around 500 million tons of CO₂ each year: equal to the total amount of CO₂ giving off in the UK each year. But how will the Amazon react to future climate change? If it gets drier, will it still survive and continue to draw down CO₂?

    Scientists hope that they will be able to learn in advance how the rainforest will manage in the future by understanding how rainforests reacted to climate change in the past. Unfortunately, getting into the Amazon rainforest and collecting information are very difficult. To study past climate, scientists need to look at fossilized pollen, kept in lake mud. Going back to the last ice age means drilling deep down into lake sediments （沉淀物）which requires specialized equipment and heavy machinery. There are very few roads and paths, or places to land helicopters and aeroplanes. Rivers tend to be the easiest way to enter the forest, but this still leaves vast areas between the rivers completely unsampled（未取样）.So far, only a handful of cores have been drilled that go back to the last ice age and none of them provide enough information to prove how the Amazon rainforest reacts to climate change.

    2019 Oscars Academy Award Nominees (提名) for Best Picture

    Black Panther

    Type: Adventure

    Running Time: 134 min.

    Release Date: February 16, 2018

    Current rank: ★★★★

    Director: Ryan Coogler

    Actors: Chadwick Boseman, Michael B. Jordan

    With his father having died in Captain America: Civil War, T'Challa is the new ruler of the advanced kingdom of Wakanda. As the king, whenever a challenger for the crown announces his intentions, he must give up his powers and take them on in a physical challenge.

    The Favorite

    Type: Drama

    Running Time: 120 min.

    Release Date: November 30, 2018

    Current rank: ★★★

    Director: Yorgos Lanthimos

    Actors: Emma Stone, Rachel Weisz

    In the early 18th century, with England and France at war, a fragile Queen Anne occupies the throne as her close friend Lady Sarah Churchill governs the country in her stead, while tending to Anne's ill health and changeable temper.

    Green Book

    Type: Drama

    Running Time: 130 min.

    Release Date: November 21, 2018

    Current rank: ★★★★★

    Director: Peter Farrelly

    Actors: Viggo Mortensen, Mahershala Ali

    Tony Lip, an uneducated Italian-American who's known for using his fists to get his way, is hired to drive world-class, famous pianist Don Shirley on a concert tour from Manhattan to the Deep South. They must rely on the “Negro Motorist Green Book” to guide them to the few settlements that were then safe for blacks.

    A Star is Born

    Type: Musical

    Running Time: 135 min.

    Release Date: October 5, 2018

    Current rank: ★★★★

    Direct: Bradley Cooper

    Actors: Bradley Cooper, Lady Gaga

    When country music star Jackson Maine stops at a bar for a drink after a concert, he's both entertained and attracted by young nightclub singer Ally. He discovers that she writes songs as well as being a talented singer, but hasn't had a break because of her looks.

POETRY CHALLENGE

    Write a poem about how courage, determination, and strength have helped you face challenges in your life.

Prizes

    3 Grand Prizes: Trip to Washington, D.C. for each of three winners, a parent and one other person of the winner's choice. Trip includes round-trip air tickets, hotel stay for two nights, and tours of the National Air and Space Museum and the office of National Geographic World.

    6 First Prizes: The book Sky Pioneer:A Photobiography of Amelia Earhart signed by author Corinne Szabo and pilot Linda Finch.

    50 Honorable Mentions:Judges will choose up to 50 honorable mention winners, who will each receive a T-shirt in memory of Earhart's final flight.

Rules

    Follow all rules carefully to prevent disqualification.

    ■Write a poem using 100 words or fewer. Your poem can be any format, any number of lines.

    ■Write by hand or type on a single sheet of paper. You may use both the front and back of the paper.

    ■On the same sheet of paper, write or type your name, address, telephone number, and birth date.

    ■Mail your entry to us by October 31 this year.