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    A new study warns that about thirty percent of the world's people may not have enough water by the year 2025.

    A private American organization called Population Action International did the new study. It says more than 335 million people lack enough water now. The people live in 28 countries. Most of the countries are in Africa or the Middle East.

    P-A-I researcher Robert Engelman says by the year 2025, about 3,000 million people may lack water. At least 18 more countries are expected to have severe water problems. The demand for water keeps increasing. Yet the amount of water on the earth stays the same.

    Mr. Engelman says the population in countries that lack water is growing faster than in other parts of the world. He says population growth in these countries will continue to increase.

    The report says lack of water in the future may result in several problems. It may increase health problems. Lack of water often means drinking water is not safe. Mr Engelman says there are problems all over the world because of diseases, such as cholera, which are carried in water. Lack of water may also result in more international conflict. Countries may have to compete for water in the future. Some countries now get sixty percent of their fresh water from other countries. This is true of Egypt, the Netherlands, Cambodia, Syria, Sudan, and Iraq. And the report says lack of water would affect the ability of developing to improve their economies. This is because new industries often need a large amount of water when they are beginning.

    The Population Action International study gives several solutions to the water problem. One way, it says, is to find ways to use water for more than one purpose. Another way is to teach people to be careful not to waste water. A third way is to use less water of agriculture.

    The report also says long-term solutions to the water problem must include controls on population growth. It says countries cannot provide clean water unless they slow population growth by limiting the number of children people have.

    IPhone owners are vainer（虚荣）and spend more on clothes and grooming（仪容）than those who have BlackBerrys and Android phones, new research claims.BlackBerry owners earn the most and are more likely to have long-term relationships, while people with Android handsets are most creative and the best cooks.

    The study, carried out by TalkTalk Mobile, surveyed 2,000 owners of the three major smartphone brands to determine whether the choice of handset was an extension(延伸) of their personality. The study rated users in various walks of life using a point scoring system including personalities, daily habits and the type of industries they work in.

    Other results from the study found that people with an iPhone are more image conscious and generally consider themselves more attractive than those with other handsets. They are most likely to describe themselves as adventurous, bright and are most likely to work in media, publishing and education. They also believe their boss rates them highly. Apple owners also tend to have done more travelling and are the most active on social media sites.

    BlackBerry owners were found to be the least punctual(准时的), but despite putting in the least hours at work they are the most active phone user—sending more texts and making more calls in the average day than any other phone user. They are more social and have more friends overall. They also earn nearly two and a half thousand pounds a year more than other smartphone owners, with an average salary of $27,406. BlackBerry users classed themselves so loud and mainly work in the health, finance or property sectors. They were also found to drink more tea and coffee each day than any other phone user.

    Android owners were found to watch more TV than others and drink the most alcohol—consuming more in an average week than iPhone and BlackBerry drinkers. They have the most jobs in engineering, the government and public services and environmental services. They have the best manners and are more shy and relaxed than their counterparts.

    Dan Meader, Director of Mobile at TalkTalk, said,“Many of us have our mobile phones on us almost constantly so they do become an extension of us in many ways. It's interesting to see then how the choice in handset may reflect different aspects of personality and the results do show some unusual difference

    Have you ever felt like you are not given the kind of respect you deserve? In one way or another, all of us have felt this way. We've yearned(渴望) to be looked at as an authority, someone people look up to and trust. We're not taught in school how to do this and our parents didn't tell us the secret on how to establish our authority. It's something we learn and gain by ourselves. And the answer is as simple as changing our mindset. What? No way! Oh but it is. People tend to underestimate the power of the mind. Change your game by changing your mind.

    Take time to look back and think about people in your life who are an authority or a leader at work, who has more credibility(可信度) than you or who you look up to and inspires you. They are up there not for the reasons you think. If you really think about it, they aren't the smartest of the bunch, not the most educated, and neither are they the best. And in no way do they even call themselves an expert. Instead, they are up there because they are great teachers and advocates(支持者) for the success of their customers or employees.

    Let's take Richard Simmons for example. This famous fitness personality has been a household name ever since he started gaining popularity during the first few years of his career. Stop and think, though, do you really think he is the best person to really get people into shape? Is he the Einstein of fitness and nutrition? Or does he even call himself a master of his craft? Of course not. People look up to him and give him authority because he is a great educator. Instead of sharing information that's far too complicated to understand, he figures out what your problems are and finds out a way to fix them. He even has social media that he updates on a regular basis with topics that are helpful and easy to understand for his fans and followers.

    Depending on the field you're in, you can share with people things you know and that you think they will want to know as well. If you're a nurse, for example, you can make a blog post for common health problems and quick remedies(治疗方法) people can do at home. Remember, the simpler you can make it, the better. People will trust you completely if you give them easy solutions. Like Richard, you'll soon be the expert you'll want to listen to. You can be an advocate also by showing people that you have their best interests at heart. You can also start up conferences to take up people's concerns and try to deal with them the best way that you can.

    So, how will you be viewed as an authority? Make that mind shift. Find out what concerns and troubles your target. Give solutions. Show that you care. And help them climb up that ladder of success. Ladies and gentlemen, that's how it's done.

    China is fondly remembering one of its most famous radio voices, a man whose vivid storytelling was a comfort to millions of people, from commuters stuck in traffic to restless teens struggling to sleep. Shan Tianfang, was a leading performer of the traditional Chinese art form pingshu, which translates as "storytelling".

    Pingshu dates from the Song Dynasty (AD960-1279) when performers would entertain villagers by telling stories in a particularly emotive style. It remains particularly popular in north-eastern China. Performers wear traditional dress and use very basic props - often a folded fan and a gavel. Pingshu is sometimes performed in tea houses and small theatres, but many Chinese associate the art form with radio. And in a country where sleeping problems are commonplace, pingshu is still popular as a way of helping people to wind down at bedtime.

    Shan Tianfang was born in 1934 in Yingkou, in north-eastern Liaoning province. His family introduced him to folk arts from a young age and he began learning pingshu when he was 19. He became known in Liaoning for his work on stage and in local teahouses during the 1950s and 1960s, and performed in an art troupe around the region. From 1966-1976, Shan, along with other pingshu performers like Yuan Kuocheng, was forced to stop work. During the 1980s.Shan made the transition (转型) to state-run radio, and his captivating storytelling became comfort listening for people across the country. By the 1990s, Shan had become a well-known face on state TV, even performing in the annual Spring Festival Gala show. He has died aged 84 following a long illness.

    Shan performed over 12,000 stories on TV and radio. His stories attracted people of all ages. One of his most acclaimed performances is of the Heroes in the Sui and Tang Dynasties. He gave countless performances of the “Four Classic Novels” (Romance of the Three Kingdoms, Journey to the West, Dream of the Red Chamber and Water Margin) and also helped to bring lesser-known classical Chinese literature to new audiences.

    He was able to use the medium to entrance his audience and in the process he helped to popularise classical Chinese literature. As film director Zhang Jizhong told the Global Times newspaper: “He could describe a scene and a character extremely vividly. He once had a long talk with me about adapting the heroic stories he told into films or television shows to help promote Chinese classics and traditional culture.”

    But in his later years, the growth of online and digital media exposed the challenges of keeping his art form alive. Shan turned his efforts towards writing books and opening performance schools to teach pingshu to young people. They included the Shan Tianfang Culture and Media Academy in Beijing, a Shan Tianfang teahouse and “storytelling base” in Anshan in Liaoning province. Meanwhile, modern productions of pingshu reference (引用，参照) contemporary  (现代的) culture to draw in new performers and audiences. Performers like Guo Heming have emerged, putting a modern spin on pingshu by adapting popular works, including the Harry Potter stories.

    Although he wasn't particularly active on social media, he amassed more than one million fans on the Sina Weibo platform.

A memorial was held for him on 15 September but millions of Chinese will miss his voice.

    Technological change is everywhere and affects every aspect of life, mostly for the better. However, social changes brought about by new technology are often mistaken for a change in attitudes.

    An example at hand is the involvement of parents in the lives of their children who are attending college. Surveys (调查) on this topic suggests that parents today continue to be "very" or "somewhat" overly-protective even after their children move into college dormitories. The same surveys also indicate that the rate of parental involvement is greater today than it was a generation ago. This is usually interpreted as a sign that today's parents are trying to manage their children's lives past the point where this behavior is appropriate.

    However, greater parental involvement does not necessarily indicate that parents are failing to let go of their "adult" children.

    In the context (背景) of this discussion, it seems valuable to first find out the cause of change in the case of parents' involvement with their grown children. If parents of earlier generations had wanted to be in touch with their college-age children frequently, would this have been possible? Probably not. On the other hand, does the possibility of frequent communication today mean that the urge to do so wasn't present a generation ago? Many studies show that older parents - today's grandparents - would have called their children more often if the means and cost of doing so had not been a barrier.

    Furthermore, studies show that finances are the most frequent subject of communication between parents and their college children. The fact that college students are financially dependent on their parents is nothing new; nor are requests for more money to be sent from home. This phenomenon is neither good nor bad; it is a fact of college life, today and in the past.

    Thanks to the advanced technology, we live in an age of bettered communication. This has many implications well beyond the role that parents seem to play in the lives of their children who have left for college. But it is useful to bear in mind that all such changes come from the technology and not some imagined desire by parents to keep their children under their wings.

    Late in 1990, when Paul Kagame was hiding on the Congolese side of the Virunga mountains preparing to invade Rwanda, his army were not the only inhabitants of that thickly forested volcanic range. The Virungas are also home to mountain gorillas (大猩猩). Soldiers are notoriously excited when it comes to wildlife, but Mr. Kagame ordered his men not to shoot the apes. “They will be valuable one day,” he said. He was right.

    By 2017, with Mr. Kagame now installed as Rwanda's president, that country's wildlife-tourism industry, of which gorilla-watching on the Rwandan side of the Virungas accounts for 90%, was worth around $438 million a year. But now the world's gorillas, and also their great-ape cousins, the chimpanzees, bonobos and orangutans, face another threat from their human neighbours: covid-19.

    Great apes share about 98% of their DNA with human beings, and are vulnerable to many of the same diseases. So far, there have been no reported cases of wild apes sickening with the new coronavirus (冠状病毒). But research done by Amanda Melin of the University of Calgary, in Canada, and her colleagues, suggests that many primates are at risk.

    The virus infects people by locking onto ACE2, a protein found on the surface membranes (细胞膜) of certain cells - particularly those of the airways into the lungs. The ape version of ACE2 is, Dr Melin has discovered, identical to the human variety, so apes are likely to be particularly susceptible to SARS-COV-2.

    Covid-19 is novel, but primatologists (灵长类动物学家) like Dr Wrangham, who is familiar with the harm caused by diseases of human origin, are already worried. They estimate that Ebola virus alone is responsible for the deaths of a third of the world's wild gorillas over the past three decades. Jane Goodall, a primatologist doing research on chimpanzees in Tanzania is also worried. The country has not enforced a full anti-covid lockdown, so villagers who live around the park could spread the disease to the chimps. Worse still, mountain-gorilla groups are normally harems that have several females but only a single adult male. If this silver-back were to die of covid-19, the females - likely to have been infected as well - would probably disperse to join other groups, spreading the virus further.

    Mr. de Merode says that if a gorilla tested positive for covid-19, his park “would consider a veterinary (兽医的) intervention to isolate (隔离) and treat the individual, but we would then be in unknown territory”. Most primatologists think isolating a sick ape would be impractical. Rather, laments Dr Wrangham, “we would just have to sit back and watch.”

"Cash or credit?" Is that statement becoming a phrase of the past? New technology and tools that support cashless payment options have speeded up this process and made us feel that we are on our way towards a cashless society Is this a good or a bad thing? Let's take a look at both sides of the issue

The most obvious benefits of a cashless society are simplicity and convenience What can be easier than sending a P2P payment or tapping your phone? There's no need to visit a credit union branch or ATM to obtain cash or worry about not having enough cash on hand to make a purchase.

Plus, a cashless society saves cost. The manufacturing of bills and coins is expensive, and cash handling is even more so. Think about everything that a retail (零售) business needs to do with cash--store it, withdraw ( 取 走 ) it, deposit it, etc And, in the case of credit unions or other financial institutions, consider the cost of security, gas, truck maintenance, etc. when transporting large sums of cash between locations.

However, with cash payments, you can send and receive funds safely and anonymously (匿名地). But that's not possible with  electronic payments, which leave a digital trace behind them with a wealth of information about both your transaction (交易) and you.

Besides, electronic payments are fat targets for hackers whose goal is to obtain and use transferred funds for their own evil purposes. At the same time, a cashless payment is like an open door to identity theft since so much information about individual consumers can be stolen.

Finally, when it comes to technology issues, making a cash payment is a simple, low-tech act. There's no need to worry about unsafe software, bad network connections, service breakdown, limited server space, or other technical problems. But in a cashless society, where even a dead cell phone battery can cut a consumer off from access to his or her funds, such technology issues can be quite challenging.

The capital of a country is often a very populated city where much history has been made due to the high-level political and economic functions that occur there. However, sometimes government leaders decide to move the capital from one city to another. Capital relocation has been done hundreds of times throughout history. The ancient Egyptians, Romans, and Chinese changed their capital frequently.

Some countries choose new capitals that are more easily defended in a time of invasion (侵略) or war. Some new capitals are planned and built in previously undeveloped areas to promote development. Countries sometimes change their capital because they expect some type of political, social, or economic benefit. They hope and expect that the new capitals will surely develop into cultural treasure and hopefully make the country a more stable place.

Here are capital relocations that have occurred in approximately the last few centuries.