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A warm drink of milkbefore bed has long been the best choice for those wanting a good night'ssleep. But now a study has found it really does help people nod off—if it ismilked from a cow at night.

  Researchers have discovered that“night milk” contains more melatonin(褪黑激素), which has been proven tohelp people feel sleepy and reduce anxiety.

  The study, by researchersfrom Seoul, South Korea, involved mice being fed with dried milk powder madefrom cows milked both during the day and at night.

  Those given night milk, whichcontained 10 times the amount of melatonin, were less active and less anxiousthan those fed with the milk collected during daytime, according to the studypublished in The Journal of MedicinalFood.

   Night milk quickened the startof sleep and caused the mice to sleep longer.

   While the effect of cowsmilk harvested at different time has not been tested on humans up to now,taking melatonin drugs has been suggested to those who are struggling to fallasleep at night.

   Previous studies have alsoindicated that milk can be excellent for helping sleep because of the calciumcontent, which helps people to relax.

  Milk is also sugar-free andadditive-free with nutritionists recommending skimmed milk as the best choicebefore bed as it is the least fattening. The more fat you take in beforebedtime, the greater burden you will put on your body at night.

    A farmer grew some vegetables in his garden. One day his wife was ill and he had no money. He had to sell some cabbages and carrots in the market. The next morning he took two baskets of vegetables to town, but it was raining hard that afternoon and there were few people in the street. When his vegetables were sold out, it was dark. He bought some medicine and hurried to his village.

    On his way home he saw a person lying on the ground. He placed his baskets on the ground and was going to help the person to get up. At that time he found it was a dead man and there was much blood on his body. He was so afraid that he ran away quickly, without taking his baskets.

    The next afternoon the farmer was sent to the police station. Having shown the baskets, an officer asked, “Are these yours? ” “Yes, sir. ” The farmer answered timidly（胆怯地）. “Have you killed the man?” “No, no, sir.” The farmer said in a hurry. “When did you see the dead man?” “About seven last evening. ” “Did you see who killed the man?” “No, sir. ” The officer brought out a knife and asked, “Have you seen it yet?” “No, sir. ” The officer became angry and told the policemen to beat him up and sent him into prison.

    That evening the officer went on trying. Pointing to the knife, he asked again, “Have you seen it yet?” “ yes, sir.” The officer was happy and asked, “When and where?” “I saw it here this afternoon, sir.”

    Memory, they say, is a matter of practice and exercise. If you have the wish and really made a conscious（自觉的）effort, then you can quite easily improve your ability to remember things. But even if you are successful, there are times when your memory seems to play tricks on you.

    Sometimes you remember things that really did not happen. One morning last week, for example, I got up and found that I had left the front door unlocked all night, yet I clearly remember locking it carefully the night before.

    Memory “trick” work the other way as well. Once in a while you remember not doing something, and then find out that you did. One day last month, for example, I was sitting in a barber（理发师）shop waiting for my turn to get a haircut, and suddenly I realized that I had got a haircut two days before at the barber shop across the street from my office.

    We always seem to find something funny and amusing（有趣的）in incidents caused by people's forgetfulness or absent-mindedness. Stories about absent-minded professors have been told for years, and we never got tired of hearing new ones. Unfortunately, however, absent-mindedness is not always funny. There are times when “trick” of our memory can cause us great trouble.

    “People are ruder today because they are rushed and more ‘time poor' than ever before, ” says Patsy Rowe, “ Manners have fallen off the radar(雷达). ” Due to our strong attraction to electronic equipment it is a wonder more people don't wake up each morning and greet the singing birds with a complaint（抱怨）about the noise. Here are some examples of rudeness.

    Some people prefer to do almost everything over the internet. To them, dealing with an actual human is like an evolutionary step backward. It feels very slow because humans don, t work at 4G speeds. When you have dinner with friends, you will often notice someone paying more attention to his mobile phone. We have programmed ourselves to think that every new message brings life-changing news, so taking calls and checking our texts are more important than talking to the people we are with. What is worse, some people even tend to send anonymous（匿名的） rude messages by email.

    However, rudeness is never acceptable, Don, t assume it is OK to be rude if the person you, re in touch with won, t recognize you. If you have something awful to say, have the courage to face the person and say it, write a letter or email and sign it, or forget it. Upsetting people with unsigned messages is cruel and disgusting.

    We shouldn′t blame technology for our shortcomings. Technology is here to help us, but we should not allow it to take over our lives. An important step is acknowledging our shortcomings. People spend a lot of time pointing out bad manners but it would be even more help if we′d publicly acknowledge good manners when we see them.

    The Adler Planetarium Chicago is home to more than 35,000 square feet of exhibits. From huge models of the Solar System, to ancient astronomical instruments , to interactive adventures, Adler's exhibit galleries provides a passageway for you to explore the universe. The Adler also offers mini science exploration activities that are quick l0-minute lessons. Visitors can learn some interesting astronomical facts from the small activity parts.

    The Adler Planetarium Chicago is the only museum in the world with two-full size planetarium theaters. Since 1930 , people. have been able to see the wonder of the stars in the historic Sky Theater. Powered by brand new Digistar 3TM technology, the StarRider Theater is a completely digital, virtual outer space environment. The famous Zeiss Planetarium projector is able to accurately reproduce the movement of every aspect(方面) of the night sky.

Do's and Don'ts :

    Do Take the Bus/Train: Leave the car at home for this museum trip. The Adler is located close to public transit(中转站).

    Don't Miss the Doane Observatory: When weather permits , the Doane is open at the Adler for observing with its 20-inch diameter telescope. Don't Miss Museum Special Events :The Adler offers a summer camp for kids from mid-June to August.

    Ticket Price :

    Adult: $ 28; child: $ 22. Book online now for a discount 37%.

    Regular Schedule :

    Mon.—Fri. 10 a. m.—4 p. m. ;Sat.—Sun. 10 a. m.—4:30 p. m.

    Summer Hours: 9: 30 a. m.—6 p. m. daily.

    Nearest Transit: Roosevelt Metro Station.

    Address: 1300 S Lake Shore Dr, Chicago, IL 60605.

    An earthquake is one of the most common natural disasters. It may cause great damage. So it is wise to learn some simple safety tips to protect yourself or your family members.

    Fragile items like those made of glass are easily broken and should usually be placed on a lower surface, near the ground instead of placing them in the cupboards higher up. Never place them near your bed, sofas and other furniture where you would be sitting or lying down. When there is a strong movement, these pieces will fall on the floor directly and not on you.

    There is a strong chance of short circuits (短路) and fire during an earthquake. Make sure you turn off electrical connections and gas immediately when an earthquake happens.

    During an earthquake, lie beneath an object that is not easily damaged. Do not go near objects that could directly fall on you. Never use the elevator to go down. Stay inside until the shaking stops and it is safe to go outside. Research has shown that most injuries happen when people inside buildings try to go out. Use the staircases at all times.

    If you are outdoors, do not take shelter under a tree, streetlights, electric poles or tall buildings. If you are driving, stop your car and stay in a safe place. Do not park your car under a tree or any tall object.

    If trapped in debris (瓦砾堆), cover your mouth with a handkerchief or clothing. Tap on a pipe or the wall so that rescuers (营救人员) can find you. Use a whistle (哨子) if one is available. Never shout for help. Shouting can cause you to breathe in dangerous amounts of dust. Do not light a match because you may burn yourself. Do not move about or kick up dust.