At 80 years old，scientist Jane Goodall continues to enjoy the joy of discovery.“Trees can communicate with each other，” she said during her Nov.16，2014 China visit to celebrate the 20th anniversary of the China establishment of her youth organization Roots & Shoots，which has grown to more than 600 branches in the country among 150，000 active groups globally.

    Jane Goodall still travels 300 days a year in all around the world and says she absorbs energy from the inspired people she meets in each country.The elderly activist and the youth take inspiration from each other.

    On Nov.16，2014，she visited the project of Roots & Shoots which was set up in Beijing.“She thought our project was great，” says 16－year－old Beijing Experimental High School student Qi Zhengyang，whose group helps protect a wetlands in the suburbs of Beijing.“She said we're doing a good job.She paid attention to us.”

    Jane Goodall plans to continue to set up Roots & Shoots branches as many as possible throughout the world.“I'll go on as long as I can，” she says.“I hope I maintain physical health as long as possible because there's so much to do.” Her aspiration for the organization in China is to expand in rural areas.Most branches are in big cities as Beijing and Shanghai.

    It was publishing her findings about chimpanzees (My Friends the Wild Chimpanzees)  more than half a century ago that made Jane Goodall a household name in the world.She was named United Nations Messenger of Peace in 2002.

    Some of the members in Roots & Shoots realize Goodall is 80 and has already considered who'll lead the movement once she's gone.“It can be all of us，” she says.“A group is stronger than one person.We can do more working together.”

    We've reached a strange—some would say unusual—point. While fighting world hunger continues to be the matter of vital importance according to a recent report from the World Health Organization (WHO), more people now die from being overweight, or say, from being extremely fat, than from being underweight. It's the good life that's more likely to kill us these days.

Worse, nearly 18 million children under the age of five around the world are estimated to be overweight. What's going on?

    We really don't have many excuses for our weight problems. The dangers of the problem have been drilled into us by public ­health campaigns since 2001 and the message is getting through—up to a point.

    In the 1970s, Finland, for example, had the highest rate of heart disease in the world and being overweight was its main cause. Not any more. A public ­health campaign has greatly reduced the number of heart disease deaths by 80 per cent over the past three decades.

    Maybe that explains why the percentage of people in Finland taking diet pills doubled between 2001 and 2005, and doctors even offer surgery of removing fat inside and change the shape of the body. That has become a sort of fashion. No wonder it ranks as the world's most body ­conscious country.

We know what we should be doing to lose weight—but actually doing it is another matter. By far the most popular excuse is not taking enough exercise. More than half of us admit we lack willpower.

    Others blame good food. They say: it's just too inviting and it makes them overeat. Still others lay the blame on the Americans, complaining that pounds have piled on thanks to eating too much American­ style fast food.

    Some also blame their parents—their genes. But unfortunately, the parents are wronged because they're normal in shape, or rather slim.

    It's a similar story around the world, although people are relatively unlikely to have tried to lose weight. Parents are eager to see their kids shape up. Do as I say—not as I do.

    Have you ever run into a careless cell phone user on the street? Perhaps they were busy talking, texting or checking updates on WeChat without looking at what was going on around them. As the number of this new “species” of human has kept rising, they have been given a new name˗˗˗˗phubbers(低头族).

    Recently, a cartoon created by students from China Central Academy of Fine Arts put this group of people under the spotlight(聚光灯). In the short film, phubbers with various social identities bury themselves in their phones. A doctor plays with his cell phone while letting his patient die, a pretty woman takes selfie(自拍) in front of a car accident site, and a father loses his child without knowing about it while using his mobile phone. A chain of similar events eventually leads to the destruction of the world.

    Although the ending sounds overstated, the damage phubbing can bring is real.

    Your health is the first to bear the effect and result of it. “Constantly bending your head to check your cell phone could damage your neck,” Guangming Daily quoted doctors as saying, “the neck is like a rope that breaks after long-term stretching.” Also, staring at cell phones for long periods of time will damage your eyesight gradually, according to the report.

    But that's not all. Being a phubber could also damage your social skills and drive you away from your friends and family. At reunions with family or friends, many people tend to stare at their cell phones while others are chatting happily with each other and this creates a strange atmosphere, Qilu Evening News reported.

    It can also cost you your life. There have been lots of reports on phubbers who fell to their death, suffered accidents, and were robbed of their cell phones in broad daylight.

    Many years ago, people relied on the sun, the moon and stars to find their way around. Later, the compass was introduced. And now, we have satnav（卫星导航）systems to guide us. A satnav system uses groups of satellites to show the user's location. They send information to a receiver, such as a smart phone, to show us where we are.

    The earliest built satnav system is the Global Positioning System, which belongs to the US. Then there is Russia's Global Navigation（导航）Satellite System, the European Union's Galileo and China's own satellite navigation system, BeiDou.

    On October 14, 2017, an ARJ21-700 plane, which was the first domestically-produced jet equipped with the BeiDou navigation system, successfully completed a test flight. The results showed the performance of the system developed by China matches that of similar systems produced abroad, according to the Commercial Aircraft Corporation of China.

    Since its introduction in 2000, the Beidou navigation system has seen increasing numbers of applications linked to everyday life, from shared bikes to farming.

    When it comes to shared bikes, smart locks that support BeiDou chips offer more accurate positioning than others, making it easier to find a bike.

    Farmers can use BeiDou-enabled tractors to plow（犁）the soil and use unmanned aircraft with BeiDou to sow seeds, which can improve efficiency and make better use of resources. BeiDou's farming applications have spread from Heilongjiang province to Beijing, Liaoning, Shanxi, Hubei and other regions across China.

    With its many uses, the Beidou navigation system is even playing a big role in the Belt and Road Initiative（— 带—路）. “To date, the BeiDou system has covered most parts of the Asia-Pacific region, as well as counties along the Silk Road Economic Belt and the 21^st Century Maritime Silk Road” said Yang Changfeng, Chief designer of the BeiDou system.

    Today, there are more than 20 BeiDou satellites above our heads, and China plans to launch even more this year to expand the BeiDou network to better serve the Belt and Road Initiative.

    “As BeiDou expands its overseas reach, it will be increasingly popular in the logistics （物流）industry,” said Miao Qianjun, secretary-general of the navigation services association. “Ships, for example, can use it to position themselves while sailing across oceans to European countries, no longer limited to Southeast Asian regions in the near future.”

    TO： ALL STUDENTS

    FROM ： John Keating

    SUBJECT ： Academic Honesty Policy

    As we start a new semester at City College, I would like to remind everyone of our commitment to academic honesty.

    Today, all students received a copy of our Academic Honesty Policy. I know everyone's mailbox can get very full at this time of year. However, this document is very important. It explains the rules that we expect all members of our academic community to follow. You are responsible for reading and understanding these rules. If you have any questions about the policy, please make an appointment to speak with your academic advisor.

    What is academic dishonesty?

    Often students can be unsure what we mean by academic dishonesty. The Academic Honesty Policy explains the types of behavior that are not allowed. Here are two examples of academic dishonesty：

    Cheating is breaking a rule to get a higher grade. Some examples of cheating include:

    Copying a classmate's answers during an exam.

    Looking at notes during an exam.

    Submitting homework that you borrowed from another student.

    Taking an exam for another student.

    Plagiarism is submitting the words or ideas of other people as your own work. Some examples of plagiarism include：

    Copying text from the Internet and submitting it as your own work.

    Copying text from a book, changing some of the words, and submitting it as your own work.

    Using another person's ideas and not giving that person credit.

    What happens if you are found guilty of academic dishonesty?

    If you are accused of academic dishonesty, the Student Honor Office will investigate your case. If you are found guilty of breaking the rules, the college will take disciplinary action. In serious cases, students can receive a failing grade. They may also be asked to leave school for good. For less serious cases, students could have to revise their work and receive a lower grade.

    Academic work can be difficult. At times, you may be tempted to use dishonesty to make the work easier. As you gather the knowledge and skills that will prepare you for your future career, remember this: It is our values that will help us achieve these goals. With every action, always remember to be honest, responsible and fair.

    Good luck with the new semester.

John Keating

President

City College

    King's College Summer School is an annual (年度的) training program for high school students at all levels who want to improve their English. Courses are given by the teachers of King's College and other colleges in New York. Trips to museums and culture centers are also organized. This year's summer school will be from July 25 to August 15. More information is as follows：