One form of social prejudice against older people is the belief that they cannot understand or use modern technology. Activities like playing computer games, going on the Net and downloading MP3s are only for the youngsters. Isn't it unfair that older people enjoying a computer game should be frowned(皱眉) upon by their children and grandchildren?

    Nowadays older people have more control over their lives and they play a full part in society. Moreover, better health care has left more people in their sixties and seventies feeling fit and active after retirement. Mental activity, as well as physical exercise, can contribute to better health. Playing computer games is a very effective way of exercising the brain.

    When personal computers were first introduced, most older people didn't believe they would ever familiarize themselves with it. Now computers have been around for a few generations and retired people have gradually become more relaxed about using them for fun. Gamers over 65 prefer playing puzzle games and card games. Kate Stevens, aged 72, says: “I find it very relaxing. It's not very demanding, but you still need to concentrate.”

    Another development that has favored “grey games” is a change in the type of videogames available on the market. There's a greater variety of games to choose from, including more intellectual and complex strategy(策略) and simulation(模拟) games. Internet Chess and Train Simulator are among the most popular of these. Train Simulator is based on real-world rail activities. Players can choose from a variety of challenges, such as keeping to a strict-timetable and using helper engines during a winter storm.

    Some people argue that “grey gamers” simply don't have the skills required for computer games, and that teenagers are better. This couldn't be further from the truth. Most computer games require the kind of analytical thinking that improves with practice, which means that the “grey gamers” may well be far better than gamers half a century younger than them. In games where speed is the main consideration, older people would be at a disadvantage because they may have slower reaction times. On the other hand, “grey gamers” have a preference for slower paced, mind challenging games.

Absence   

    If a student is absent, parents are asked to contact the school and report that absence. Simply ring the school and you will be directed to the absence phone system. You should then give the name of the student and their tutor teacher.

Attendance

    School hours are 08:35 to 15:00. If a student is late, they must sign in at the Student Office.

    School times are as follows: Monday, Tuesday, Thursday and Friday.

08:35 - 09:35  Period 1

09:35 - 10:35  Period 2

10:35 - 10:50  Tutor Time

10:50 - 11:10  Interval

11:10 - 12:05  Period 3

12:05 - 13:00  Period 4

13:00 - 13.45  Lunch

13:45 - 14:05  School-wide reading

14:05 - 15:00  Period 5

Wednesday Only

09:00 - 09:55  Period 1

09:55 - 10:50  Period 2

Rest of the times are the same as for the other days.

Cellphones

    The current cell phone policy is that, although permitted at school, they must not be used or turned on during class time.

    People who do not get enough vitamin A in their diet may develop night blindness. But in the developing world, a lack of vitamin A causes much more serious harm to children. The world Health Organization links the lack of vitamin A to as many as 250,000 child deaths every year.

    One excellent source of vitamin A is found in newly developed sweet potatoes with orange flesh. Orange sweet potatoes contain high levels of beta-carotene, which the body changes into vitamin A. Experts say orange sweet potatoes could help the Africans who are lacking in vitamin A. But, first, more people will need to be persuaded to eat them. Sweet potatoes need a better image in Africa. Jan Low with the International Potato Center says, “We do have an image problem with sweet potatoes. In many African countries, they are seen as a crop of the poor.”

    Ms. Low explains that sweet potatoes are mainly grown by poor women to feed their families in case another crop fails. The sweet potatoes commonly grown in Africa have white or yellow flesh. But they are low in vitamin A.

    Jan Low took part in a project to study how to market orange sweet potatoes to Africans best. She worked on an information campaign(活动) in Mozambique and Uganda. The campaign included radio messages about the nutritional(营养的) benefits of the orange sweet potato. They advertised its ability to “fight diseases, make you strong, clear you skin and make you look healthy”. In areas without radio, the campaigners spread the message through theater. The performances included singing, dancing and storytelling. And everywhere they went, the campaigners wore orange T-shirts and hats. They even drove orange cars.

    Dan Gustafson heads the Washington office of the United Nations Food and Agriculture Organization. He mentions the efforts in the past to increase the popularity of other nutritious crops. He says most of these efforts failed because organizers of the campaigns did not consider what people wanted to eat. People want to eat what they are familiar with. But Mr. Gustafson sees a better chance for the efforts to increase the popularity of the orange sweet potato in Africa. Except for the color, the orange sweet potato is almost the same as what people already eat. Dan Gustafson says, “I think this time the campaigners will succeed, because they have made enough advertisements and the difference between the vegetable they have advertised and what people already eat is not a radical one.”

    Getting rid of dirt, in the opinion of most people, is a good thing. However, there is nothing fixed about attitudes to dirt.

    In the early 16th century, people thought that dirt on the skin was a way to block out disease, as medical opinion had it that washing off dirt with hot water could open up the skin and let illnesses in. A particular danger was thought to lie in public baths. By 1538, the French king had closed the bath houses in his kingdom. So did the king of England in 1546. Thus it began a long time when the rich and the poor in Europe lived with dirt in a friendly way. Henry IV, King of France, was famously dirty. Upon learning that a nobleman had taken bath, the king ordered that, to avoid the attack of disease, the nobleman should not go out.

    Though the belief in the merit of dirt was long-lived, dirt has no longer been regarded as a nice neighbor ever since the 18th century. Scientifically speaking, cleaning away dirt is good to health. Clean water supply and hand washing are practical means of preventing disease. Yet, it seems that standards of cleanliness have moved beyond science since World War Ⅱ. Advertisements repeatedly sell the idea: clothes need to be whiter than white, cloths ever softer, surfaces to shine. Has the hate for dirt, however, gone too far?

    Attitudes to dirt still differ hugely nowadays. Many first-time parents nervously try to warn their children of touching dirt, which might be responsible for the spread of disease. On the contrary, Mary Ruebush, an American immunologist(免疫学家), encourages children to play in the dirt to build up a strong immune system. And the latter position is gaining some ground.

    Some people seem to have extraordinary memories. Zheng Aiqiang, a "memory athlete" on TV show Super Brain, can remember 2,660 numbers in just one hour!

    You would think people like this have special brains. But according to a recent study by researchers from the US and the Netherlands, the brain structures of ordinary people and 23 of the world's leading memory athletes show no difference.

    That's because good memories can be trained. New research in the journal Neuron(神经元期刊) suggests that you can become a super memorizer with just six weeks of hard training.

    Researchers found that technique(技巧) called loci, invented by ancient Greeks, can greatly help improve memory. By using loci, you are using your imagination to improve the brain's memory networks. You can link(关联) something you need to remember with a place that you know very well. For example, to remember a list of numbers, imagine yourself walking through your house. Each thing is linked to a number. For example, zero could be handle(把手) on the door and five could be the painting on the wall.

    In one study, some ordinary people were given 20 minutes to remember 72 words. First they could only remember 26 of them. But when they were taught loci, they could remember 62 words.

    "Not everyone can become a memory champion. But everyone using the technique can improve a lot from the level they're at," said Boris Konrad, one of the researchers in the study.

    Jordan wakes at 6 a.m. She helps her disabled mother, who is recovering from surgery for breast cancer, into the bath. Jordan has it all timed. She has a quick breakfast as her mother bathes, and returns to help her out of the bathtub and into her room. Before going to school, the 14-year-old has to walk the dog. In the evening, Jordan takes care of the family's animals and helps her mother into bed. Then she had a chance to eat dinner, do homework and wind down before going to sleep. Bedtime can be past midnight for the Florida nine-grader.

    “You have to have a certain level of maturity (成熟) to do it,” She says. As a determined student, Jordan is already planning a career in medicine.

About 1.4 million children between ages 8 and 18 are caregivers nationwide, according to American Association of Caregiving Youth (AACY). Evenly divided between girls and boys, about a third are between 8 and 11, and nearly 40% are between 12 and 15. For the young caretakers, most common are chores like shopping, fixing meals and household tasks, or keeping the family member company. Hands-on care includes helping loved ones with day-to-day activities such as bathing, dressing and toileting, getting in and out of bed and chairs, and feeding.

    AACY is a nonprofit organization supporting caregiving kids in various ways, including financial assistance, caregiving education and camps to connect young caregivers to peers. Through AACY's Care Giving Youth Project, Jordan is not alone and she is able to develop friendships with teens like her. “I felt much more relieved and less embarrassed because I wasn't the only one.” She says. “I met one of my best friends and I'm still friends with her today.”

    There is light at the end of the tunnel for Jordan. “Seeing the people I'm taking care of become better gives me a relief that things will get better,” she says. She believes that AACY will continue to help her mother when it's time for her to go to college.