While most of us are happy to take the credit when things go well, few of us are willing to take the blame when things go wrong. Rather than trying to hide our shame or embarrassment, experts found that we are simply less aware when our actions result in a negative outcome.

       The research may explain why we often feel it hard to take the blame for our actions. “Our result suggests that people may really experience less responsibility for negative than for positive outcomes，” said Patrick Haggard, leading researcher and professor of the institute of Cognitive Neuroscience at University College London.

      In a series of tests, participants were asked to press a key. A sound then followed, either disapproving, neutral or approving, and they were then asked to estimate the time between the action and when they had heard the sound.

      Researchers found that individuals experienced different levels of responsibility depending on the outcomes. They also discovered they were significantly slower to recognize if their actions had resulted in a bad consequence, compared to when they had done well.

   “Effectively, we have found that we experience a negative outcome differently, not just retell it differently. We make a weaker connection when there is a bad result. And respond much more strongly when something good happens，” said Professor Haggard. When something goes right, everyone wants to take the credit, and when things go wrong, nobody is interested in putting their hands up.

        The researchers say our brain is “very much concerned” with reward, as good results are key to survival. Although our own perception (认知) of whether we are guilty of something or not is changed by the outcomes, this does not provide a defense if we have done something wrong. “Our experience of our own responsibilities can be misleading and can be strongly colored by the outcomes of our actions，” said Professor Haggard. “We have to take responsibility for what we actually do, not just for how we experience things.”

    Today's museums include plenty of high culture, but you can still find shrines（圣地）to the extraordinary. Here's a look at five curious museum stops across Canada.

Vancouver Police Museum

    The setting, terrible enough, is the old Coroner's（验尸官）Court and forensics lab, including the morgue(room where dead bodies are kept). Artifacts, from the 1870s on, include badges, uniforms, police equipment, items from criminals, and even preserved organs—all in all an arresting experience.

Vulcan Tourism & Trek Station

    Designed to resemble a spacecraft, the Treck Station celebrates Vulcan's coincidental relationship to Mr. Spock's planet, Go to a building that features an 800-piece collection of Star Trek memorabilia — including Spock's ears and floor-to-ceiling space paintings. If you want to know more about it, click here: http//www. Vulcantourism. com

Accordion（手风琴）Museum

    Through instruments, photos and recordings, the museum traces the history of the accordion and its influence on Quebec culture. They've even acquired Asian instruments that show the use of the free reed— call them ancient ancestors of the accordion—that date back 4000 years.

Chocolate Museum

    It's chocoholic heaven — whole museum featuring displays on how chocolate is made, hands-on exhibits, collections of historic chocolate boxes, and antique candy- making equipment and, of course, lots of chocolate treats ,located in an old candy factory building. Click below to learn all about their hours and admission rates. http:// www. Chocolate museum .com

Potato museum

    A 14--foot high potato greets you at what's billed as the world's largest exhibit of potato artifacts. Explore the humble potato's role in the economy, a collection of farm tools related to growing and harvesting potatoes, Hall of Fame.

    In today's world, English is the most wildly used language. It is our duty to learn English in the new situation of the reform and opening to the outside world. How can we master the English language? I'd like to give you some good advice.

    First, get interested in it. I enjoy listening to foreign friends talking when I was a child. At the same time I watched the English program Follow Me on TV. From then on, I kept on learning English. The more I learned, the more progress I made.

    Second, practice makes perfect. Many people study English very hard, but they are very shy to speak it in public, for they are afraid of making mistakes. Remember you have to make a mistake before you can correct it. A native English speaker makes mistakes sometimes, too.

    Third, the beginners should be encouraged to pay attention to idioms. The English language has many idioms. For example, you should say “ He is as strong as a cow.”

    It has long been thought that elephants rely on their large ears and bathing in rivers to stay cool in hot climates. New research, however, has showed that the world's largest land animals have a secret trick of controlling their body temperatures.

    Scientists have long been puzzled by temperature regulation(调节)in elephants. Generally, animals with large bodies tend to hold more heat because, compared to their size, they have a small surface area for heat to escape from. Elephants, with their heavy­weight frames, would appear to be at a disadvantage in the heat of their African and Asian habitats, especially because they have thick fur to protect them from bushes and trees.

    Scientists thought that these creatures, which weigh up to 13 tons when fully­grown, grow large ears to help them stay cool. The skin on the ears is thinner, so blood which flows into them cools down more easily. But findings by researchers at two universities in Vienna have showed that elephants are also able to cool down by increasing the blood flow to skin patches(斑) in other parts of their bodies.

    The researchers studied six African elephants at Vienna Zoo as they moved between outdoor and indoor environments to see how the temperature on their skin surface would change. They found up to 15 “hot spots” all over an elephant's body surface, in addition to large patches on the ears. The study shows how these patches expand as the air temperature increases and more blood flows nearer to the skin surface. Other experiments show that elephants in the wild use the same “windows” to control their body temperature.

    Elephants have two additional ways to stay cool: flapping(拍打)the ears and bathing. Together with these tricks, the skin hot spots allow the animals to keep their body temperature always at about 36 degrees—one degree less than humans'.

    Several years ago, Masaru Ibuka, chairman of Sony, was at a company planning a meeting. Suddenly he had a brilliant idea. He stopped the meeting and asked everyone present what would happen if Sony removed the recording function and speaker and sold headphones with a tape player instead. Almost everyone thought he was crazy. Still, Ibuka kept thinking about his idea and worked at improving it. The result, of course, turned out to be the wildly successful Sony Walkman.

    Good ideas often start with a seemingly silly question. Bill Bowerman was making breakfast one day. As he stood there making waffles (华夫饼干)for his son, he wondered what would happen if he poured rubber into his waffle iron. Later, he tried it and the result looked something like the bottom of most sports shoes we see today. Still, when he took this idea to several existing shoe companies, he was laughed at. In fact, every single company turned him down. Though rather discouraged, Bowerman insisted and went on to form his own company, making NIKE athletic shoes.

    Sometimes good ideas grow out of frustration .When Fred Smith was a student at Yale University, he had some paperwork that he needed to have delivered across the country the next day. Smith was amazed to find out that overnight delivery was impossible. He sat for a long while, lost in thought. Why couldn't there be a reliable overnight mail delivery service? He decided to design one. Smith did just that and turned his design into a class project.  His business professor gave him only a C for his efforts. However, Smith was not through. He improved the idea in that class project and finally turned it into one of the first and most successful overnight mail service in the world — FedEx.

    We know that each of these ideas led to a very successful product or service that has changed the way many of us live. The best questions are usually open-ended and are often silly, Children aren't afraid to ask such questions, but adults frequently are. Think how different the world might be if people never asked "silly" questions!

Dark Sky Parks around the World

    Warrumbungle National Park

    Situated in the central west slopes of New South Wales is Australia's only dark sky park, Warrumbungle. The park has served as a dark sky park since July 2016. Its crystal-clear night skies and high altitude make it a natural, educational, and astronomical heritage site in the southern half of the earth. Tourists can use Australia's largest optical telescope within the park boundaries to view the auroras (极光), the Milky Way, and faint shooting stars.

    Sark

    Sark is a Channel Island near the coast of Normandy under the protection of the UK. It was the World's First Dark Sky Island set up in January 2011. Its historical and cultural blend attracts over 40,000 tourists annually. With no motor vehicles and public lighting on the island, there is an exceptional view of the dark skies. A rich Milky Way is visible in the dark night skies from the shores of the island.

    Pic du Midi de Bigorre

    Pic du Midi de Bigorre in France was designated as a dark sky park in December 2013 making it the second largest dark sky park in the world. The park covers 3. 112 square kilometers spread across the Pyrenees National Park and UNESCO's World Heritage site, Pyrenees-Mont Perdu. The park attracts over one hundred star watchers every year. The Observatory Midi-Pyrenees, which was built in 1870, is one of the world's highest museums at a height of 2,877 meters above sea level.

    Ramon Crater/Makhtesh Ramon

    Ramon Crater is a unique 1,100-square-kilometer nature reserve located in the Negev Desert in Israel. In 2017, the Ramon Crater became the first designated dark sky park in the Middle East. Its location, rough climate, and forbidding landscape that are characteristic of the Negev have largely defeated historical attempts for human settlement, making it a great place to view the night skies. Stargazers usually camp in the desert to have an uninterrupted view of the stars, planets, and the Milky Way.