Taking a shower is relaxing. You can hum a song, daydream or think about nothing, leaving the real world behind you. But did you know that showering can also benefit your mind?

    A research by Scott Barry Kaufman, a psychologist from Yale University in the US interviewed over 3,000 people around the world. It turned out that nearly two-thirds of the interviewees said they had experienced new ideas in the shower and were more likely to have them in the shower than at work.

    So why does a simple shower have such magic power? Science can explain it.

    Showering can help to raise our level of dopamine, a hormone (荷尔蒙) closely related to our creativity. “People vary in terms of their level of creativity according to the activity of dopamine”, explained Alice Flaherty, a famous American neuroscientist. “Taking a warm shower can make us feel relaxed and therefore make the dopamine level rise and bring ‘Aha!' moment to us.”

    Besides the chemical changes, showering may give you a break from what you feel you have been stuck with. Especially when you have thought hard all day about a problem, jumping into the shower can keep you from the outside world so that you can focus on your inner feelings and memories. In this way, according to American psychologist Shelley H. Carson, author ofYour Creative Brain, “a showering hour may turn into an ‘incubation (孵化) period' for your ideas.”

    Compared with sitting in front of a computer, taking a shower is something we do less frequently in our daily life. When showering, we get a fresh experience with the change of location, temperature and humidity. “New and unexpected experiences can lead to positive changes in thinking,” explained Kaufman. “Getting off the couch and jumping in the shower may create a distance and force you to think from a new point of view.”

    Showering allows us to enjoy the creative juices of our minds, but it needn't just be the bathroom where you get your inspiration. For instance, Gertrude Stein, a female American writer and poet, got new ideas by driving around a farm and stopping at different cows until she found the one that most inspired her. So try to create your own way to free your mind, whether it's a walk near the ocean, a country drive or reading a book at home.

    A couple near Pittsburgh finally removed an alarm clock from inside their walls. It had been stuck there for more than ten years.

    Every night between 6:50 and 7:50, the alarm clock stuck in the living room wall rang. Sylvia and Jerry Lynn heard the alarm ring at the same time every evening for 13 years. And they finally had the clock removed after their story gained national attention.

    Keith Andreen and Dawn Michelucci work for Low-Cost Heating and Air Conditioning. They came to get the clock out of the wall through the couple's garage.

    “This is the first time that I had to remove a clock from inside a wall,” Andreen told CBS Pittsburgh.

    Jerry accidentally dropped the clock down an air vent (通风口) while making home repairs in 2004. The couple expected the clock to die after a few months. However, its battery remained undamaged even as it was pulled from the wall. Jerry said they finally got used to the nightly alarm and even considered it “kind of cute”. So he chose to leave it in the wall as a conversation starter. “You're sitting around playing cards and it goes off,” he told Inside Edition. “Is that an alarm clock? Why is the alarm clock going off? It's in the wall.”

    After 13 years, Jerry said the clock looked almost exactly how he remembered it when he dropped it in the wall. “It is a travel alarm clock,” he said. The couple plans to keep their nightly routine going by placing the clock in their room and keeping the alarm set for 7:50 p.m.

    I got into the teaching profession purely by choice. I was then in 9th grade when my mathematics teacher asked me to take a class for a few students to whom the subject seemed difficult. And believe me, I enjoyed the entire teaching session. I never knew teaching would be so interesting. I loved my freshmen and was delighted to teach my so-called students who came up with lots of good questions.

    After my post-graduation, I worked as a software developer with a public sector(部门) in Bangalore for a few years. But I realized that no job could provide me with the satisfaction that I experienced while teaching and training. I always wanted to connect with a wider group of people. In fact, I felt it was a timely realization for me to choose the teaching profession. I applied to a few colleges, and finally I was chosen as a lecturer, and I had to lecture graduate and post-graduate students in a college.

On the first day, I was nervous thinking that I had to teach the senior classes. But now I can say that giving lectures was one of the best experiences of my life. I was a Computer Science and Information Technology lecturer, but I tried to help my students with subjects that were not within my domain(范围). It was a new feeling to me every morning before I went to the classes. I used to feel energized and excited thinking that the class would be lit up with bright faces to greet me, "Good morning, Madam."

    To me each day was a new beginning, with new feelings, new experiences and new queries(疑问). I loved to explore their young minds and read their inquisitive faces when a particular topic seemed tough. It was extremely challenging to motivate them to participate, think critically, question and also respect others' points of view. Though few things never seemed easy, it was extremely exciting to assure them that they really can. That is the reason I love to teach.

Learn to cure cancer

    A vaccine for cancer is in the works.

    Lauren Landry and Chloe Tomblin are the scientists. They look in freezers(冰柜) for bacteria to use in the research. This research has its limitations—mostly because their lab is in a high school.

    But Lauren, 16, and Chloe,17 both students are Western Reserve Academy in the US, aren't put off by the difficulties they face in their cancer immunology(免疫学) class.

    “I hope we get to the point where we can get to a vaccine and write a paper,” Lauren said.

    Both conduct research into how to engage the immune system in stopping cancer from forming.

    Though the lab is in a high school, they don't use textbooks. The aim is to conduct real cancer research, either by testing the effects of substances on cancer cells or developing vaccines to target the growth of those harmful cells.

    The idea for the class came from Robert Aguilar, who has taught at the private school for many years. Students spend the first year learning research techniques. In the second year, students swap(调换) their blue lab coats for white ones. By this stage they are well into their research projects.

    “If first-years need any help, they can feel free to ask second-year students,” Aguilar said.

    Students form groups to conduct their research. One pair of students has researched the effect of capsaicin(辣椒素) on killing cancer cells. Another has tested the effect of caffeine(咖啡因) on the growth rate of breast cancer(乳腺癌) cells.

But few students get to the point in their research of experimentation with mice, Aguilar said. Lauren and Chloe hope that they can make decent progress in their work.

    “We know they're going to be used for good,” Lauren said. “If it does or doesn't work, it still has a huge impact.”

    Aguilar teaches the students that even research that doesn't work still contributes to science in some way. He tells students that “the best part of research is failing a lot”.

    If you ask most people what water tastes like, they'll probably tell you that water has no taste and they may give you a funny look. But if you were a fruit fly, asking another fruit fly, that question might have a different answer.

    To a fruit fly, water has a taste. Scientists want to know how the fruit fly knows water because this information may help in learning how other animals — or even individual cells — manage to use water in the right way. Water is vital to life, but too much or too little can be deadly to a living creature. So by understanding how the fruit fly tastes water, researchers may learn more about other living things.

    According to the new study, a protein(蛋白质) called PPK28 makes it possible for a fly to taste water. Proteins build cells and tissues, fight disease and carry messages between cells. It's not surprising that a protein is responsible for the fruit fly's ability to taste water.

    The PPK28 protein is part of a larger family of similar proteins. One of these related proteins is used by mammals (including humans) to taste salt. Scientists have not found a protein that enables humans to "taste" water.

    In the experiment, Cameron and his team compared normal fruit flies with fruit flies whose taste cells had been disabled. The fruit flies were given a special chemical that would glow(发光) when the fly used the PPK28 protein. Then the scientists led the flies to water. When the normal flies tasted the water, the PPK28 protein lit up — showing that it was in use.

    The fruit fly in particular is so interesting that some scientists are hard at work creating a complete map of the fruit fly brain. This map will show all of a fly's neurons and help scientists understand how the neurons work together.

The Big Ben is located in the tower at the eastern end of the Houses of Parliament, Westminster, Greater London. It was designed by Edmund Beckett and Baron Grimthorpe.

The Big Ben is very famous throughout the world, but nobody really knows why it is called Big Ben. There are two hearsays about this. Some people say that it was named after Benjamin Caunt, a boxer, who was called Big Ben. More people believe it was called after Welshman, Sir Benjamin Hall. He was the commissioner(特派员)of the work at the time of its installation in 1859. A story was told that during a debate in the Commons on what to call the bell, Sir Benjamin was about to give his ideas when a MP who sat behind the front bench shouted, "Let's call it Big Ben!" Then this name came into being.

The bell hasn't gone through a smooth road since the beginning of its design. Because there was great disagreement about the design of the clock. It took fifteen years to build. In 1857, the bell was completed and tested on the ground, but a four-foot crack appeared and the bell had to be cast again. Finally, the clock started ticking on 31 May, 1859, and struck its first chime(报时)on 11, July. Then in September, the bell cracked again. It was silent for four years but was eventually turned a quarter of a revolution(旋转). In this way, the crack was not under the striking hammer. Craftsmen made a square above the crack to stop it growing longer and it can still be seen today.

The Big Ben is famous not only for its 13-ton weight, but also for its accuracy(准确性) which is a result of its precise mechanism(机械装置). Even one extra penny's weight on the balance will cause a gain of two fifths of a second in twenty-four hours. Although there have been several problems, the bell is still striking today. Its chimes can be heard all over the world on the B. B. C.