Self-driving vehicles will rely on cameras, sensors and artificial intelligence (AI) to recognize and respond to road and traffic conditions, but sensing is the most effective for objects and movement in the neighborhood of the vehicle. Not everything important in a car's environment will be caught by the vehicle's camera. Another vehicle approaching at high speed on a collision (碰撞) track might not be visible until it's too late. This is why vehicle-to-vehicle communication is undergoing rapid development. Our research shows that cars will need to be able to chat and cooperate on the road, although the technical challenges are considerable.

    Applications for vehicle- to-vehicle communication range from vehicles driving together in a row, to safety messages about nearby emergency vehicles. Vehicles could alert each other to avoid collisions or share notices about passers-by and bicycles.

    From as far as several hundred meters away, vehicles could exchange messages with one another or receive information from roadside units (RSUs) about nearby incidents or dangerous road conditions through 4G network. A high level of AI seems required for such vehicles, not only to self-drive from A to B, but also to react intelligently to messages received. Vehicles will need to plan, reason, strategize and adapt in the light of information received in real time and to carry out cooperative behaviors. For example, a group of autonomous vehicles might avoid a route together because of potential risks, or a vehicle could decide to drop someone off earlier due to messages received, a foreseen crowding ahead.

    Further applications of vehicle- to-vehicle communication are still being researched, including how to perform cooperative behavior.

    What's the point of studying? It's something you might ask yourself if you're studying for a degree and you're struggling to complete homework or in an exam, especially if your friends seem to be out having a good time, or are working and earning lots of money.

    Many of us choose to go to university as a first step towards a good career but sometimes that career is to go to university as a first step towards a good career but sometimes that career is hard to achieve and graduates end up doing something they are overqualified for. With the increasing costs of university, students begin to ask themselves whether a degree path is the best route into a career. There is a need for much better career advice and guidance into employment in addition to university education.

    But other new research says that a degree will in the long run, earn you more. However there are differences in your earning potential. Dr Jack Britton says that "graduates of the 24 Russell Group universities earn an average of £33,500 after five years - about 40% more than those who studied at other universities."

    However, it has found it's not just the location but other factors that can play a part in what you can earn, such as the subject a student chooses to study. It discovered that five years after graduation, the income gap between students who studied the subjects that attract the highest and lowest salaries can be considerable. Graduates in subjects such as law, medicine, dentistry as well, tend to do well. And as they progress, the pay gap between these careers and others, such as the creative arts, widens. There are factors too that influence what you might earn: Five years after graduation, men earn on average 14% more than women. Also, a student's social background can have an effect, with those from better-off household much more likely to go to university and particularly a good one.

    But if you still feel university doesn't deliver the best opportunities then there are encouraging words from Alistair Jarvis, head of universities UK, who told BBC News that "Employs are demanding more graduates and graduates are half as likely to be unemployed as likely to be unemployed as non-graduates. There are many good graduate outcomes coming from universities" So may all that studying is worth it-after all 'no pain, no gain'!

    When my father married my mother in 1943, he gave my mother a 1937 crown coin and told her to keep it in the back of her purse and not to spend it. This would mean that she always felt that she was protected and would always have money if she really needed it.

    When I was married in 1970, my husband, who had heard this story, obtained a 1937 crown coin for me and I have always kept it in my wallet, and I have always had enough for my needs.

    A friend recently fell on hard times, partly through external (外部的) circumstances and partly through poor planning. Friends and I have loaned her money, paid her bills, given her food, and even tried to teach her budget techniques, but none of them has been a solution. She has just slipped deeper and deeper into financial trouble and depression.

    Last week she looked pale and unwell, very depressed and hopeless, very sad for a friend to see and I then thought about how the crown coin, a physical reminder of another's care and love had protected me, so I went to the bank for a $ 100 dollar-bill.

    I told my friend the story and asked her to keep the $ 100 in the back of her wallet. It turned out that she didn't have a wallet, so she put the money in a little pencil case where she kept her coins. She immediately felt better—"I feel rich, and thank you for being a good friend," she said, and we were both a bit teary.

    I went home and remembered a little wallet I had that I'd never used, and thought, "I'll give that to my friend." I opened it, and inside, found $ 100.

    Knowing a little first aid could be life-saving if you see someone lying unconscious.

    Too often people don't do anything because they think they will kill the patient, but by learning simple rules you could make the difference between life and death.

    First, you need to find out if they're unconscious, asleep or drunk, by squeezing the skin between their neck and shoulder and shouting. If there is no response at all, you need to establish if they are dead or just unconscious—sometimes it's very difficult to tell the difference.

    Open the airway by placing one hand on their forehead and gently tilting the head back while lifting the chin.

    If there are no signs of life—no obvious pulse and their chest is not going up and down—call an ambulance and then start cardiopulmonary resuscitation (CPR) (心脏复苏) to maintain (获得) a flow of oxygenated blood to the brain and heart.

    Do this by pushing up and down on the centre of the chest, with your hands interlocked together, constantly until an ambulance arrives.

    Push at a rate of 100 beats a minute. You can't harm them doing this and might just save a life.

The Art Institute of Chicago

    Visiting time

    The museum is open daily 10:30 am-5:00 pm. The museum and its shops are closed on Thanksgiving Day, Christmas Day, and New Year's Day.

    Highlights of the Art Institute

    American Art

    Discover how artists have expressed the many aspects of the American experience through the rich variety of this collection. This tour might include the works of artists like Paul Revere, Winslow Homer, and Georgia O'Keeffe.

    Impressionism: Monet, Degas, Renoir and More

    Learn about the color and excitement of late 19th-century life as you view one of the most admired collections of French Impressionism in the world.

    Hidden Histories

    Hear stories about artists and their artworks that may be overlooked or under-appreciated for one reason or another  These could be very small or out-of-the-way works.

    For families with children

    With free admission for kids under 14 and Chicago teens under 18, the Art Institute is the perfect place for a creative outing with the whole family.

    Visit the Family Room in the Ryan Education Center, and introduce your children to the museum's collections with a variety of activities. Assemble (组装)puzzles based on masterpieces in the museum, build architectural wonders with colorful blocks, and learn about art through stories and games. Food is available at an on-site cafe. (Outside food is not allowed to be brought in.)

Sometimes the toughest thing about feelings is sharing them with others. Sharing your feelings helps you whether your feelings are wonderful or terrible. Sharing also helps you to get closer to people you care about and who care about you. But how?

 You can't tell your friends what's inside our backpack if you don't know what's in there yourself. {#blank#}1{#/blank#} Before you can share them with anyone, you have to figure out what feelings you have. {#blank#}2{#/blank#} You can do this in your mind or by writing them out or even by drawing pictures. Is something bothering you? Does it make you frustrated or terrified? Do you feel this emotion only once in a while or most of the time?

 The way a person feels inside is important. If you keep feelings locked inside, it can even make you feel sick! {#blank#}3{#/blank#} It doesn't mean your problems and woes magically disappear, but at least someone else knows what's bothering you and can help you find solutions.

 Your mom and dad want to know if you have problems and what's happening in your life. But what if a kid doesn't want to talk with parents? Then find another adult you trust like a relative or a teacher at school. {#blank#}4{#/blank#}

 Once you know who you can talk with, you'll want to pick a time and place to talk. You can talk publicly in your family. But some kids are more private than others and they will feel shy about sharing their feelings. {#blank#}5{#/blank#} A kid doesn't have to share every feeling he or she has.
 

A.Feelings are the same way.

B.Making a list of your feelings can help.

C.And there is always a person you can turn to.

D.Thinking about what you can do is of great importance.

E.Then find a quiet place or write it down on a piece of paper.

F.But if you talk with someone who cares for you, you will almost always start to feel better.

G.Maybe this person can help you talk with your parents about your problem or concern.