Trampolining

    What's more fun than standing still? Jumping up and down on a springy piece of fabric (织物)! This activity is known as trampolining and it's sweeping the nation.

    The idea of trampolining is ancient. Eskimos have been throwing each other in the air for thousands of years. Firemen began using a life net to catch people jumping from buildings in 1887. {#blank#}1{#/blank#}

    A gymnast named George Nissan and his coach Larry Griswold made the first modern trampoline in 1936. {#blank#}2{#/blank#} They named their equipment after the Spanish word trampolín, which means diving board. The men wanted to share their idea with the whole world. In 1942 they began making trampolines to sell to the public.

    Trampolines may be fun, but they can also be dangerous. {#blank#}3{#/blank#} Clubs and gyms use large safety nets or other equipment to make it safer. Most trampoline injuries happen at home. Since trampolines are more affordable than ever, injuries are even more common.

    These injuries happen for many reasons. People may bounce too high and land out of the trampoline or onto the springs. {#blank#}4{#/blank#} Perhaps the worst injuries happen when untrained people try to do flips (快速翻转). Landing on your neck or head can cause injuries or even kill you.

    {#blank#}5{#/blank#} There are many things that you can do to practice safe trampolining. Trampolines have been around for a while now. They have brought a lot of joy to many people. They can be a good source of exercise and activity. They can help people improve their balance and moves. But they can also be deadly. It is important to follow some professional guidance. Be sure that you are practicing safety while having a good time. Happy bouncing!

    Susan was born as the ninth child in a Catholic family. She suffered from learning disabilities ever since her birth because of her mother's poor health.

    School was difficult for Susan and she was bullied because of her different behaviors. Her siblings, who were much older, had life experiences that were unknown to their little sister. From the time of her birth, Susan was a screamer. The only really safe place that she would use as a repeat was her bedroom. There she would hang posters of her musical idols on the wall and sing popular music into a hairbrush that she pretended was a microphone.

    One by one the siblings moved away from home and then Susan's father died. This left her alone with an aging mother and a cat. The siblings accused her mother of not expecting more out of Susan. She had seen many professionals and remembered hearing the word “borderline” but didn't know what it meant. She tried volunteer work. Her best state of mind, however, was found when she was singing and so she would regularly join others in karaoke or pubs where she could show her skills and receive appreciation from the crowd.

    When Susan announced at Christmas that she was planning to compete in the Britain's Got Talent contest, her siblings tried to discourage her. It was a wonder that she was even able to do the audition considering the troubles she faced just physically getting to the right place.

    “The Woman I Was Born to Be” is a beautiful story written in the simple but humorous voice of the author, Susan Boyle. She tells her story from birth to the present in an interesting and educational manner. The writing is supplemented by photos from her albums.

    I love this book! In fact, I read the whole thing in one day!

There is something in the stories that not only teaches the reader but also inspires us to reach for our dreams — no matter how impossible they may seem to be!

    Five weeks ago I had a total hip replacement surgery (髋关节置换手术). In Canada, we have great healthcare system. That means we get our new hips for free.

    My hip had been hurting me for years before I went to the doctor. Of course, it was free. She referred me to a surgeon, but the earliest appointment was in 10 months. That is what being free gets you. Ten months later, after some free X-rays, the surgeon told me I needed a surgery, which was about an 18-month wait, for some senior citizens had been on the operation list. Another 18 months! I dragged myself out of the surgeon, s office.

    Walking through the hospital, I thought about the situation. As the breadwinner of a large family, I couldn't wait that long, so I had to get to the front line. I was fully aware of what a Canadian should be like (Canadians are usually considered gentle and caring), but this time I really needed to fight for myself. At that very moment, in the shop window of the hospital, I saw a sign which read, “Volunteers Needed.” Suddenly, an idea occurred to me — I would get the job. Fortunately, they signed me up immediately because the average age of the volunteers at the shop was 75. They were desperate for some young blood.

    Every Friday morning, I was at the shop. While seeing the hospital staff, I'd casually ask, “What do you do?” Then I'd tell them, “Well, I'm getting my hip replaced — in 18 months.

    It's going to be so great when the pain stops.” Soon, all the staff got to know me. Naturally, in my next appointment, the surgeon recognized me. Moments later, I had a surgery date just weeks away.

    I had to say it was actually my volunteering that got me to the front of the line. And I'm not ashamed of it, for I intend to stick with the volunteering. Also, even when I cheated the system, I did it in a way that benefits society.

    I have a neighbor who is a capable, fashionable, seventy-year-old, single woman. Her name is Grace. Grace was laid off from her job a little over two years ago and has been living off her savings ever since but not officially "retired". Grace called me up one day about this time last year and asked if I had a ladder. She needed to clean out her gutters (水槽) on the roof and wanted me to hold the ladder.

    She didn't want me to climb up and clean the gutters. She just wanted me to hold the ladder. As it happened I did have a ladder. I said: “The leaves are going to fall off the trees in a month, why don't we wait till they finish and do it then?” She agreed and naturally we didn't talk about it again until spring. Spring in Tennessee is wild and we talked about it over the course of three weeks in which it rained nearly every day, then I got busy and Grace went into seclusion (隐居).

    A couple of weeks ago, she told me she'd been spending too much money and decided to apply for a bar tending job at a local hotel. "Now I don't know about you all but I'd never considered what it would be like to apply for and begin a new job at the age of seventy. I'm fifty-three and the older I get, the more I think about how great it'll be if I can just get out of bed when I'm seventy." Anyway, she got the job, serving the bar and tending banquets at the hotel.

    The day when she left for her training at 6 am, I walked across the street with my ladder and cleaned out her gutters.

    Elephants have impressed us for centuries. They are big, clever, and sociable. But what if someone told you that they may also hold the key to fighting cancer (癌症)?

    People have been wondering why elephants do not develop cancer, even though they have lifespans (寿命) that are similar to humans, living for around 50 to 70 years.

    Now scientists believe they know why. A team at the University of Chicago, US has found that elephants carry a large number of genes that stop tumors (肿瘤) from developing. To be precise, they found 20 copies of an anti­tumor gene called TP53 in elephants. Most other species, including humans, only carry one copy.

    According to the research, which was recently published on the online science network BioRxiv, the extra copies of the gene improved the animal's sensitivity to DNA damage. This lets the cells quickly kill themselves when damaged before they can go on to form deadly tumors.

    “An increased risk of developing cancer has stood in the way of the evolution of large body sizes in many animals，” study author Dr. Vincent Lynch told The Guardian. If every living cell (细胞) has the same chance of becoming cancerous, large creatures with long lifespans like whales and elephants should have a greater risk of developing cancer than humans and mice do. But across species, the risk of cancer does not show a connection with body mass.

    This_phenomenon was found by Oxford University scientist Richard Peto in the 1970s and later named "Peto's paradox". Evolutionary (进化的) biologists believe it results from larger animals using protection that many smaller animals do not. In the elephant's case, the making of TP53 is nature's way of keeping this species alive.

    The study also found that when the same genes were brought to life in mice, they had the same cancer resistance (抵抗) as elephants. This means researchers could use the discovery to develop new treatments that can help stop cancers from spreading or even developing in the first place.

    "Nature has already figured out how to prevent cancer, " said Joshua Schiffman, an oncologist at the School of Medicine, University of Utah, US.

    “It's up to us to learn how different animals tackle (处理) the problem so we can use those strategies to prevent cancer in people.”

One fine day, a bus driver went to the bus garage, started his bus, and drove off along his route. No problems for the first few stops—a few people got on, a few got off, and things went generally well.

At the next stop, however, a big hulk of a guy got on. Six feet eight, built like a wrestler, arms hanging down to the ground. He glared at the driver and said, "Big John doesn't pay!" and sat down at the back. The driver was five feet three, thin, and basically mild-mannered. Naturally, he didn't argue with Big John, but he wasn't happy about it.

The next day the same thing happened—Big John got on again, made a show of refusing to pay, and sat down. And the next day, and the one after that, and so forth.

This grated on the bus driver, who started losing sleep over the way Big John was taking advantage of him. Finally he could stand it no longer. He signed up for body building courses, karate, judo, and all that good stuff. By the end of the summer, he had become quite strong—what's more, felt really good about himself.

So on the next Monday, when Big John once again got on the bus and said. "Big John doesn't pay!" the driver stood up, glared back at the passenger, and screamed, "Oh, yeah? And why not?" With a surprised look on his face, Big John replied, "Big John has a bus pass."