On 29 May last year, I was doing my swim training for a half Ironman race in the bay near my home.

    I was finishing my first loop (圈) when I felt jaws coming around my body and a sharp pain. The water was dark, so I couldn't see anything. It just came out of nowhere and then it was gone in a flash. I knew it was something really big and assumed it was a shark. I panicked, but knew I needed to get out of the water. I was kicking wildly in case it came back. There was a lifeguard boat close by, so I waved my arms in the air and screamed for help. It got to me within 20 seconds. At that point I didn't feel anything; adrenaline (肾上腺素) had taken over. The lifeguards held me under the arms and pulled me up out of the water. Then the pain kicked in and it was pretty hard to bear. Some muscle had been bitten off my right arm. I felt a lot of warm, gushing blood.

    My chest felt heavy, as if someone had put their foot on it, and I was having trouble breathing. It was extremely painful. When I got to the hospital, I told the nurses to put me to sleep because of the pain. I just wanted them to fix me.

    I woke up after surgery four hours later. My doctor was amazed when I managed to move my fingers: the bite just missed a major nerve. My right lung had been damaged; I had several broken bones and a nerve in my leg was cut, so I have reduced feeling at the top of my leg. The shark also bit through my upper back muscle.

    Local experts determined that the shark was probably 9-10 feet long. It was young, about seven years old. It just attacked me, left and didn't come back because it figured I wasn't food.

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    Macao is only forty miles from Hong Kong and it is easy to reach. You can get there by sea. It is an interesting place and it has a long history. Macao is part of China and most people living there are Chinese.

    The first Europeans in Macao came from Portugal. More than four hundred years ago the Portuguese went there to trade with China. Some settled and made their homes there. They built strong forts（要塞）to guard the city and the harbor. They also built churches, schools, hospitals and other places. Slowly the city grew. People from many other countries came to live and work in Macao.

    Today many people live in Macao. Some only go there to watch dog-racing or motor-racing or to gamble（赌博）with their money. But Macao is a quiet and peaceful place. It is pleasant just to walk around and look at the old buildings and forts. You feel you are back in the old days. Of course，some of the buildings are now in ruins. The Church of St. Paul has only the front wall with many steps leading up to it. But it is still interesting to see.

    When you are hot and tired, there are small cool gardens to rest in. When you are hungry, there are good restaurants with many kinds of food. Nearby are some islands, which are also nice to visit and are easy to get in. There are certainly a lot to see and to do in Macao.

    A research project jointly carried out by scientists from several British universities and institutes has drawn people's attention to the toothbrush again.

    Researchers have found that your toothbrush is home to more than 100 million bacteria. But there are hundreds of microorganisms in the mouths and your toothbrush probably won't make you sick unless there is an unhealthy balance of bacteria. Our immune system can usually take care of bacterial invaders. However, if others use your toothbrush, or you use someone else's, bacteria can be spread.

    They have also found the toothbrush holders are the third-most dirty household items (behind dish sponges and kitchen sinks), thus advocating cleaning the toothbrush holder regularly.

    The storage of your toothbrush in your bathroom is also important. Here are some storage tips from the researchers to keep your toothbrush as healthy as possible:

    Put your toothbrush as far away as possible from the toilet flushing.

    Let your toothbrush dry thoroughly between brushings.

    Don't use toothbrush covers, which can create a perfect breeding ground for bacteria.

    Keep your toothbrush upright in a holder rather than lying down.

    Keep toothbrushes separate. If toothbrushes touch, they can exchange and spread bacteria.

    There are products available that claim to sanitize（消毒）your toothbrush. While some of these products do kill some bacteria, there is no evidence that using them will reduce your risk of illness, according to the researchers.

    They recommend replacing your toothbrush every three to four months or more often if you are sick or if you have a weakened immune system. Children's toothbrushes may need to be replaced more often than adult brushes.

    Annette Larkins is an incredible woman who looks like a healthy 40-year-old, although she just turned 70. She follows a special raw diet and only drinks rainwater.

    She looks so young that people mistake her to be the daughter, when she's out with her husband of 54 years, but I suppose he isn't complaining.

    Mrs. Larkins says the secret to her beauty lies in her special diet, consisting of organic vegetables, fruits, seeds and nuts grown in her own garden; she calls it the "fountain of youth". The woman doesn't touch anything that has been cooked.

    And another strange thing she does is to collect rainwater, to keep her garden blossoming, but also to drink. But the residents of Miami-Dade County, Florida, didn't always have such a healthy lifestyle. In fact, she consumed meat regularly, as her husband used to own a meat factory way back in the 1960s. It was then that she decided to change her eating habits forever. And what a great decision that was. I mean, just look at her!

    When she started off, Mrs. Larkins was just looking for a few health benefits and never anticipated that she would look like a 40-year-old at the age of 70. Over the 27 years that she has been eating raw, Mrs. Larkins has written two booklets railed Journey to Health and also produced a DVD containing all her healthy secrets.

    Her husband, Mr. Larkins, wishes he had followed her example, because now he looks much, much older and also suffers from diabetes (糖尿病) and high blood pressure. He takes prescription medicine every day, but Annette doesn't even take an aspirin.

    What would you like to be when you grow up? A teacher? A doctor? An astronaut? What do you need to do to achieve your dream job?

    Perhaps you think that studying well and then going on to work hard will get you the successful career you want. We are constantly taught that our hard work will eventually pay off.

    But a government survey has shown that hard work is not the only thing that will help you to move up the ladder. Two thirds of people believe that who you know matters more than what you know when it comes to social activity. So are the connections that you have more important than your education?

    Seventy-six percent of the people in the survey believed that family background is important in influencing your chances of success. They believe that if you are privileged from birth, you are more likely to have a successful career, especially if your family is wealthy.

    Even if you don't have a privileged background, the people you know can still make a difference to your career. Networking is a skill which is encouraged by many career advisers. Some companies run networking workshops to try and encourage staff to meet other people, to communicate and build relationships. It's a valuable skill.

    But the survey also showed something quite interesting. Although most people believed that networks are more important than education, many people put their own career success down to talent, rather than background. 41% of the people said that their parents' income had influenced their life, but at the same time, another 41% believed that they had achieved their own success.

    So which is more important, what you know or who you know? It seems that by working hard and making lots of connections, the answer may be that both are very important.

A surprising new research from Auckland University of Technology (AUT), New Zealand contradicts the commonly held view that surfers are folks only focused on their own fun. Instead, they often play an important role in saving lives. The research reveals that these thrill seekers selflessly save people they see struggling in the ocean as swimmers or after boating incidents, and so actually reduce deaths from drowning (溺水), playing a key role in making beaches safer. 

According to the World Health Organization, an estimated 236,000 people drown worldwide each year, with drowning the third leading cause of unintentional death. 

However, according to a survey, at the heart of the research, life-saving acts of heroism by surfers who save others in difficulty in the ocean waters around them, are surprisingly common. In fact, based on the sample of 418 surfers, respondents reportedly rescue an average of three people drowning or struggling in the water over the course of their lives, and some even report taking part in 10 to 20 rescues. This makes surfers the under-recognized guardians of the beach rather than the self-centered images shown in movies like Fast Times at Ridgemont High, or Point Break. 

In addition, the survey found that in almost 90 percent of rescues, people aided by the responding surfers required no further treatment after the incident, making their help unlikely to be reported and so recorded, As one of the survey's co-authors Jamie Mead says, "We need to get surfers the recognition they deserve and do more research to accurately quantify (用数量表述) how many rescues they're actually doing."

Since this research was published, there has been a growing interest in the training of surfers in life-saving skills. Sonia Keeper, an experienced surfer and instructor, explains that the insights provided by the survey have motivated surfing organizations to expand their reach and connect with an even broader community of surfers. "If life-saving skills are rolled out (正式推出) to the broader coastal surfer communities around the world, this preparation can help ensure that a good day at the beach doesn't turn into a sad one," she adds.