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calibration-knowledge-large

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[ { "content": "BEIJING - China's National Tourism Administration (NTA) said Saturday that 215 Chinese tour groups in Japan were safeandsoundafter a _ 8.8-magnitude earthquake jolted the country's eastern coast Friday. A total of 4,578 Chinese tourists were staying in Japan at the time of the quake. By Saturday n...
[ { "content": "Here's how you can take the taxi in Japan *From train station or airports , go to the _ and wait there. *In the street, look for a taxi that has a red light in the front window. It means the taxi has no passengers . ( If the light is green, the taxi has passengers. ) *When you see an empty taxi, w...
[ { "content": "Welcome here! The Southern Spring Home & Garden Show will be held at The Park Expo and Conference Center. This show will last from Wednesday (March 2) to Sunday (March 6,2012). Admission : Adults $10.00. Teenagers under 15 free with a paying adult. Join Lincolnton's own Tammie Davis as she perform...
[ { "content": "Have you ever wondered how and why a fall leaf changes color? We first have to understand what leaves are and what they do. Plants are the world's food factories. Plants take water from the ground and take CO2from the air. Plants use sunlight to turn water and CO2into glucose . Glucose is a kind o...
[ { "content": "Realco Realtors acquired a large tract of land upon which Realco developed a mobile home subdivision. The tract was divided into 60 lots, appropriate utilities were installed, and a plat of the entire tract, including a Declaration of Restrictions, was properly drawn and recorded. The Declaration ...
[ { "content": "Every morning Amma gets up at ten to seven. She brushes her teeth, takes a shower and gets dressed . Then she goes to the kitchen and makes breakfast. She usually has orange juice and bread for breakfast. After breakfast, she reads the newspaper. At seven forty--five she leaves home and goes to wo...
[ { "content": "The main function of a duck's webbed feet is to help the duck\n\nChoices:\nA. make noise\nB. protect itself\nC. swim in water\nD. find a mate", "role": "user" }, { "content": "C. swim in water", "role": "assistant" } ]
[ { "content": "My name is Andrew.There are three people in my family--my father,my mother and I. My father is a bank clerk.And he works in a bank.He thinks it's a boring job.He wants to be a policeman.My mother is a teacher.She teaches Chinese.She thinks her job is very interesting.She works hard and often comes...
[ { "content": "An old man walked slowly into a restaurant with his cane . His old jacket and shoes made him unusual that day. A young waitress named Mary watched him move towards a table by the window. She ran over to him, and said with a smile, \"Here, sir. Let me give you a hand.\" Without saying a word, he ga...
[ { "content": "Arnold and Beverly owned a large tract of land, Blackacre, in fee simple as joint tenants with rights of survivorship. While Beverly was on an extended safari in Kenya, Arnold learned that there were very valuable coal deposits within Blackacre, but he made no attempt to inform Beverly. Thereupon,...
[ { "content": "College is a lifetime investment -- the gift of a college education can open the door to a world of opportunity for your child or grandchild. Savings , even not so many at a time, can make a big difference. With the cost of a college education continuing to rise, the key is to start saving early...
[ { "content": "The early 1900s were very different from today, when toys were still the delight of children everywhere. Theodore Roosevelt's Presidency marks the beginning of the \"Teddy Bear\". In the year 1902,toy bears were named \"Teddy\" after the president's nickname. The Teddy Bear became known worldwide ...
[ { "content": "As a young woman who was always interested in style, I got lucky in interning with a fashion company in Tokyo, last summer. I worked as an assistant in the Business Planning Department, helping with marketing for the 2007 Spring/Summer collections. Fashion is a beautiful industry. But against ...
[ { "content": "Two years ago my grandmother was going to turn 75. My family discussed what was the best way to celebrate. Should we throw her a party ? Should we take her on a trip ? We remembered that she had touched so many people's lives, and there were so many people for her to consider. Then someone got the...
[ { "content": "Every five minutes my children ask me for the \"latest thing\". They tell me that all their friends have it already and they can't live without it. Our house is full of Game Boys, Play Station CDs and a million other \"latest things\". But, the one \"latest things\" we have refused to buy is a mob...
[ { "content": "When I was a child, I was shocked at the idea that my sisters could be my best friends. Now, I wouldn't have it any other way. At the time, the idea of my two sisters being my closest friends seemed strange to me. We fought all the time over toys, food, attention, what to watch on television--you ...
[ { "content": "Dining Experiences at Belmond Grand Hotel Europe Delicious cuisine is paired with excellent musical entertainment at Belmond Grand Hotel Europe. TCHAIKOVSKY NIGHT Every Friday, dine in Lobby Bar and be treated to a special musical accompaniment. Enjoy timeless classics from the great Russian compo...
[ { "content": "refraction is when light bends and when it stops producing light after hitting something its its\n\nChoices:\nA. sleeping\nB. smelting\nC. absorbtion\nD. cooking", "role": "user" }, { "content": "C. absorbtion", "role": "assistant" } ]
[ { "content": "The Labrador has won the honor of the most popular breed for the past eighteen years. It has been described as gentle, clever and friendly. Yet not all Labs are the same. John Grogan discovered _ after he and his wife adopted a Labrador that they named Marley. The dog caused Mr. Grogan a lot o...
[ { "content": "Uncertainty spreads through our lives so thoroughly that it dominates our language. Our everyday speech is made up in large part of words like probably, many, soon, great, little. What do these words mean?Such verbal expression is not necessarily to be criticized. Indeed, it has a value just becau...
[ { "content": "Beethoven, a famous musician in the world, was born in Germany in 1770. In his childhood Beethoven didn't have a happy life.His father was a singer. When he was only four, his father began to make him practise hour after hour on different musical instruments . If he did not put his heart into it, ...
[ { "content": "Is language, like food, a basic human need? Judging from the extreme experiment of Frederick in the 13th century, it may be. Hoping to discover what language a child would speak if he heard no mother tongue he told the nurses to keep silent. All the babies died before the first year. But clearly t...
[ { "content": "It's Jim's birthday today. He is five years old. He gets many nice birthday presents from his family and one of them is a big drum . \" Who gives him the drum?\" his father asks. \" His grandfather does.\" answers Jim's mother. Jim likes his drum very much. He makes a noise with it, but his moth...
[ { "content": "Google works miracles Google is a daily miracle to millions of people. You can type almost anything into the space provided, and soon it wil come up with hundreds, if not thousands, of references . It is said that you can get into billions of websites through Google. Yahoo becomes giant Yahoo was...
[ { "content": "China's auto production is expected to grow by 20 percent in 2005 to 6 million vehicles , possibly passing Germany as the world's No. 3 producer. China is the world's-fastest-growing auto market as rising incomes make it possible for millions to buy their cars. Foreign automakers are investing ...
[ { "content": "In the early nineteen fifties, researchers found that people scored lower on intelligence tests if they spoke more than one language. Research in the sixties found the opposite. So which is it? Researchers presented their newest studies last month at a meeting of the American Association for the A...
[ { "content": "The most common problem that worries all of us today is the fear of insecurity. _ With every new turn of events our self-confidence takes a blow. _ There are several reasons that affect a person's self-confidence. The most important reason is lack of success. Not being able to succeed affects one...
[ { "content": "For their nick-of-time acts, Toby, a 2-year-old dog, and Winnie, a cute cat, were named Dog and Cat of the Year by the American Society for the Prevention of Cruelty to Animals. As Amy Paul choked on a piece of apple at her home, her dog jumped up, landing hard on her chest and forcing the piece ...
[ { "content": "The world itself is becoming much smaller by using modern traffic and modern communication. Life today is much easier than it was hundreds of years ago, but it has brought new problems. One of the biggest problems is pollution. To pollute means to make things dirty. Pollution comes in many ways. W...
[ { "content": "Can dolphins talk? Maybe they can't talk with words, but they talk with sounds. They show their feelings with sounds. Dolphins travel in a group. We call a group of fish a \"school\". They don't study, but they travel together. Dolphins talk to the other dolphins in the school. They give i...
[ { "content": "Have you ever been to Qingdao, a beautiful seaside city in the southeast of Shandong Province? There is the blue sea and clear air there. And it is also one of the most beautiful cities in China. Qingdao has the largest bathing beach in Asia. It holds Qingdao International Beer Festival every yea...
[ { "content": "The famous director of a big and expensive movie planned to film a beautiful sunset over the ocean, so that the audiences could see his hero and heroine in front of it at the end of the film as they said goodbye to each other for ever. He sent his camera crew out one evening to film the sunset fo...
[ { "content": "As we enjoy the summer ocean waves along the beaches, we may think nervously about Steven Spielberg's Jaws and the great fear that sharks inspire in us. Yet we are happy to see global efforts to protect the declining number of sharks. The world has realized that we need the species, like sharks, t...
[ { "content": "Have you lost your marbles ? Don't worry! You can buy more from Harli Jordean. Harli Jordean, the 8-year-old kid, soon to be 9, is just too lovely. He was born in Stoke Newington, London in spring 2003. He started up an Internet marble company where he sells the toys. And recently the 8-year-ol...
[ { "content": "The managing editor is usually the person in charge of the day-to-day editorial process of a newspaper. He or she makes sure that the newspaper comes out on time each day and that costs are kept within a budget. He or she is usually responsible for hiring and firing newsroom staff, and serves as t...
[ { "content": "Which correctly arranges three scientific terms-theory, law, and hypothesis-from least to most accepted or tested?\n\nChoices:\nA. theory, hypothesis, law\nB. hypothesis, law, theory\nC. theory, law, hypothesis\nD. hypothesis, theory, law", "role": "user" }, { "content": "D. hypothesis...
[ { "content": "Howling is a behavior commonly observed among a wolf pack . As pack animals, wolves work together to hunt and rely on howling as an important means of communication among each other. There are different explanations of a wolf's howl and it appears that there may be more to discover. One theory is ...
[ { "content": "The rainbow lorikeet is a kind of parrot in the northeast of Australia. It is the most colorful and noisy bird in the world. The bird has green, orange, blue, red, yellow, purple and grey colors on its body. Rainbow lorikeets are small birds. They are usually 11 to 12 inches long and weigh 120g ...
[ { "content": "Everyone needs safe drinking water, but about 1.1 billion people have no access to clean water. Most of the world's water is salty ocean water or frozen polar ice. By 2050, the world's population could grow from 6.7 billion to more than 9 billion. All of those people will need water to drink. But ...
[ { "content": "Please excuse me if I'm a little sad today. Mark is leaving, and I'm feeling kind of sad. You probably don't know Mark, but you might be lucky enough to know someone just like him. He's been the heart and soul of the office for a couple of years combining great professional skills with a sweet nat...
[ { "content": "Despite the fact that businesses believe celebrities have a lot of _ with regard to the buying trends of consumers, researchers have discovered that this does not seem to be the case. British and Swiss researchers conducted a study showing that advertisements featuring endorsements by celebritie...
[ { "content": "The role of a newspaper is to present and comment on the news. It is vital for keeping people well-informed on current affairs. In most Western countries, journalists try to shape the ideas and opinions of their readers, since in Western countries all newspapers are independent of the government. ...
[ { "content": "Human cloning technology could be used to reserve heart attacks. Scientists believe that they may be able to treat heart attack by cloning their healthy heart cells and injecting them into the areas of the heart that have been damaged, and other problems may be solved if human cloning and its tech...
[ { "content": "Do you know Xishuangbana? It's a very beautiful place. It lies in Yunnan. The Dai people live there. Their homes are wonderful. The houses are very big and have long legs to hold them up. Sometimes those legs are over two metres tall. It can be very hot in Yunnan. But the Dai people do not need ...
[ { "content": "Say Yes to Reading Write a one-page report titled \"The Best Book I Read This Year\" and enter it in the Boy's Life 2012 \"Say Yes to Reading!\" contest. The book can be fiction or nonfiction. But the report has to be in your own words-- 500 words tops. Enter in one of these three age categories :...
[ { "content": "FDA proposed the most sweeping food safety rules in decades, requiring farmers and food companies to be more cautious in the wake of deadly outbreaks in peanuts, cantaloupe ,and leafy greens. The long-overdue regulations are aimed at reducing the estimated 3,000 deaths a year from foodbome illnes...
[ { "content": "Mary likes dogs very much. She has a pug-dog. It is white. It has big eyes and ears. It is small but it is cute and beautiful. Every morning, the dog eats some bread and meat. They are the dog's favorite food. When Mary goes to school, the dog always waits for her at the gate. When she comes back...
[ { "content": "RichardSolo 1800 Rechargeable Battery In just minutes a day, plug in and charge your iPhone quickly! Just plug RichardSolo 1800 into your iPhone once or twice a day, for fifteen minutes, and keep your iPhone charged up. At your desk, or at dinner, plug RichardSolo into iPhone to instantly...
[ { "content": "No one knows exactly how many disabled people there are in the world, but estimates suggest the figure is over 450 million. The number of disabled people in India alone is probably more than double the total population of Canada. In the United Kingdom, about one in ten people have some disabi...
[ { "content": "Hello! I'm Susan. Look at this picture. You can see a big sofa next to(...) the wall. My parents like to sit on it to read books , and sometimes they meet some friends there. There are two plants near the sofa. They're nice. What's that on the wall? Oh, it's a new TV. I often watch TV on weekends...
[ { "content": "You are what you eat Keeping better eating habits can help you reduce disease. A healthy eating plan means choosing the right foods to eat and preparing foods in a healthy way. _ Do you often change your toothbrush? Maybe you think it is not necessary. A study shows old toothbrushes bring dise...
[ { "content": "Some dances gain more popularity than others because they can be performed to different kinds of music and the steps change accordingly. One such dance is waltz . There is a basic form for waltz, which you can see in this drawing of a dancing couple. The man places one arm around the woman's w...
[ { "content": "The kiwi bird The kiwi bird is a flightless bird,about the size of a chicken. It sleeps during the day and is active at nighttime. It has a long beak that is onethird the length of its body, and its beak actually has nostrils at the end. The kiwi is the only bird with this feature. Another uniqu...
[ { "content": "Teachers and parents usually call attention to the pictures when they read storybooks to preschool children. But a new study tells that calling attention to the words and letters on the book may lead to better readers. The two-year study compared children who were read to this way in class with ch...
[ { "content": "The poachers had finally found a buyer for their stolen _ .At the meeting with the buyer,they brought out a bag,inside which was a terrified one-year-old baby gorilla.The poachers had killed the little female's parents and captured her in the forests of Congo, Africa.Then they took her across the...
[ { "content": "In today's world many people seem to be hungry for money. Money does have its most useful effect on the poor. But once a person has a rich life, a lot more money doesn`t mean more happiness. If money were everything, all millionaires would have real love, true friendship, good health and a long l...
[ { "content": "Back to the Future With the help of a local inventor's time machine, Marty travels back to the 1950s. There his 80s hipness stands out, and he inadvertently interferes with the fledgling romance of his parents-to-be. Can Marty keep them together? He'd better, or his own future will fade away. Feat...
[ { "content": "What makes a gift special? Is it the price you see on the gift cover? Or is it the look on the receiver's face when they receive it that determines the true value? What gift is worth the most? This Christmas I was thinking what to give my father. My dad is a hard person to buy for because he never...
[ { "content": "New evidence shows that getting enough Vitamin D may be the most important thing you can do for your health. You know the usual prescription for good health: a balanced diet with lots of fruits and vegetables, regular exercise, no smoking.Now add this: Spend a little more time in the sun. Huh? Tha...
[ { "content": "Which color do you like best? Everyone has his own favorite color, but how do people feel about colors? It depends on their cultures. The same color sometimes has different meanings in different countries. In England, the right color for a bride to wear is white. But in China and other eastern co...
[ { "content": "This is my room. What's this? It's a blue pen. What's that? It's a ruler. And it is blue, too. What's this in English? It's a quilt. It's red. It's my quilt. And this is my jacket. What color is it? It's black and white. What's that on the wall? It's a map. ,. What is black and white?\n\nChoices:\...
[ { "content": "Have you ever thought, \"I wish I could take a year off and just travel around the world\"? Well, three lucky American teenagers were able to do just that. The teens--two males and one female--got an all-expenses paid, yearlong hike to five continents. This trip didn't include any five-star hotels...
[ { "content": "Health officials issued a waring over common energy-saving lghtbulbs after research showed some types could potentially harm the skin and may even raise the risk of cancer. A study by the Health Protection Agency (HPA) found that some eco-friendly lightbuulbs release levels of ultraviolet (UV) ...
[ { "content": "In the fall of 1985. I was a bright-eyed girl heading off to Howard University, aiming at a legal career and dreaming of sitting on a Supreme Court bench somewhere. Twenty-one years later I am later I am still a bright-eyed dreamer and one with quite a different tale to tell. My grandma, an amazin...
[ { "content": "A couple from Miami, Bill and Simone Butler, spent sixty-six days in a life-raft in the seas of Central America after their boat sank. Twenty-one days after they left Panama in their boat, Simony, they met some whales. \"They started to hit the side of the boat,\" said Bill, \"and then suddenly w...
[ { "content": "I spend a lot of time backpacking and hiking the outdoors and there are two pieces of equipment that are with me on each trip: an Adventure Medical Kits Weekender and an Adventure Medical Kits Suture Syringe Kit. Both proved very helpful on my most recent adventures to the Wrangell in Alaska. On t...
[ { "content": "As I was leaving to meet Lynne, my roommate told me that I'd better take some money. But I didn't listen to him. I thought that Lynne would pay because she had invited me. I arrived at the restaurant exactly on time. I'd been told that Americans expect you to be on time. Lynne and I sat at a table...
[ { "content": "Alpha and Beta owned Greenacre, a large farm, in fee simple as tenants in common, each owning an undivided one-half interest. For five years Alpha occupied Greenacre and conducted farming operations. Alpha never accounted to Beta for any income but Alpha did pay all real estate taxes when the taxe...
[ { "content": "During the 1800s, African Americans worked long days in the fields of the American South.To ease their labor, they sang \"field hollers\" that they had brought from Africa.One person sang a line.Then a group of workers repeated it.The songs' words told of the hardships that people suffered.African...
[ { "content": "Today is November 8th. It's Gina's birthday. She is twelve. Jim , Kate and Bill are her friends. They want to buy some presents for Gina. They go to the shop near the school. There are a lot of things in the shop. They buy a big cake , two boxes of color pencils , a pencil-box and some nice ex...
[ { "content": "When a consumer finds that something he or she bought is faulty or in some other way does not live up to what the producer says for it, the first step is to present the warranty ,or any other records that might help, at the store of buying. In most cases, this action will produce results. However...
[ { "content": "This is a beautiful park near my home. People like to go to the park after work. Some of them go to the park every day. Look! This is Mr. Smith. He is sitting on a chair and watching the children. Some children are playing the game of _ . Some boys are playing yo-yo. Lucy and Lily are standing un...
[ { "content": "For many people in the US,sports are not just for fun. They're almost a \"religion\".Thousands of sports fans buy expensive tickets to watch their favorite teams and athletes play in person .Other fans watch the games at home,sticking to their TV sets,never missing a game. Many a wife becomes a \"...
[ { "content": "\"Last week,\" Dr. P said \"I was invited to a doctors' meeting at the R. Hospital. In one of the rooms a patient, an old man, got up from his bed and moved slowly towards me. I could see that he hadn't long to live, but he came up to me and placed his right foot close to mine on the floor.\" \"Fr...
[ { "content": "Consumer electronics once again topped the list of the most wanted gifts this holiday season. \"Seventy-six percent of consumers who plan to buy holiday gifts say that they will spend money buying at least one technology product; definitely a solid vote of confidence for technology.\" Steve Koenig...
[ { "content": "Computers are useful machines. They can help people a lot in their life. For example, they can help people save much time, and they can help people do hard work. Today more and more families have computers. Parents buy computers for their children. They hope computers can help their children impro...
[ { "content": "Play allows children to use their creativity while developing their imagination and physical, cognitive , and emotional strength. Play is important to healthy brain development. Play allows children to create and explore a world they can master, conquering their fears while practicing adult roles...
[ { "content": "Green plants get the energy they need to make food from\n\nChoices:\nA. air\nB. sunlight\nC. water\nD. soil", "role": "user" }, { "content": "B. sunlight", "role": "assistant" } ]
[ { "content": "In a living statue, just as the name implies, somebody transforms himself or herself into a statue. Last year, I came across an article in a magazine describing living statues in the streets of some Australian cities. The article was vividly written, except that there was not even a single picture...
[ { "content": "During the day we work and play,and at night we sleep. Our body rests when we sleep. In the morning we are ready to work and play again. Our body grows most when we are asleep. Children who are tired usually need sleep. We can get better at our lessons after having plenty of rest. Boys and girls w...
[ { "content": "It is said that all dreams serve a purpose . While there is no agreement among scientists about why we dream, there are many ideas about the different kinds of dreams we have. One common kind of dream is the repeating dream, in which the same story is repeated again and again, often for many month...
[ { "content": "New York is one of the last large American cities to have some of its policemen on horseback. The New York police have 170 horses working in certain parts of the city. The horses are expensive to feed, but it is even more expensive to look after them. Because the horses must walk on the streets, t...
[ { "content": "This happened several years ago.But it has stuck with me so I wanted to share it. Every day on my way to work I would buy a newspaper from an elderly gentleman on the corner of the street.He would always smile and say,\"Good morning.\"His smile always made my day. Most of the people who sell these...
[ { "content": "The young boy saw me, or rather, he saw the car and quickly ran up to me, eager to sell his bunches of bananas and bags of peanuts. Though he appeared to be about twelve, he seemed to have already known the bitterness of life. \"Bananas 300 naira. Peanuts 200 naira.\" He said in a low voice. I bar...
[ { "content": "\"What's in a name?\" According to Shakespeare's Romeo and Juliet, there is not too much. \"That which we call a rose by any other name would smell as sweet.\" But Shakespeare may have been wrong. In most cultures, names matter a great deal. Americans choose names for their children with care. Par...
[ { "content": "Uncle Wang works in a book shop in the middle of the city. The shop is not far from his home. It is about one kilometer away. So Uncle Wang seldom goes to work by bus. He usually goes bike there by bike, sometimes on foot .It takes him twenty minutes to get there by bike and forty minutes on foo...
[ { "content": "Do you often watch TV programs? There are many TV programs on Chinese cuisines (, ),but few are like A Bite of China. It tries to bring something new by introducing more cultural features related to dishes, such as eating habits and wonderful stories about food. It's said that more than 100 mill...
[ { "content": "Jack threw the papers on my desk. \"Next time you want to change anything, ask me first,\" he said. I had changed a long sentence and corrected its grammar -- something I thought I was paid to do. Several days later, he made me angry again. I went to his office, prepared to lose my job if need be,...
[ { "content": "Read the instructions of the medicine before you take your choices. Adults : 2 tablespoonfuls Children: according to age 10----14 years 4 teaspoonfuls 5----10years 2 teaspoonfuls 3----6 years I teaspoonful Repeat above doses every 1/2 hour to 1 hour if needed until 8 dose are taken. If you do ...
[ { "content": "TLike most big projects, learning to manage your mother well is what you should do. Here are what I believe the best steps towards a better relationship with her. They are not necessarily surprising or revolutionary, but they have worked for many people. Try them. Remember your mother's age. As ch...
[ { "content": "In the last few years the Internet has become a widespread phenomenon around the world. People have started to use the computers just like they used to watch TV. Whenever we get hungry, we simply order a pizza through the Internet and while we are waiting for the food, we can send an important bu...
[ { "content": "I had always had fun playing in the dirt growing up, digging, throwing, building, smashing, everything, so this year for my birthday my mom and dad had bought me a gardening kit to grow my own vegetables. It came with a watering pot, a shovel, a rake and seeds! The next morning we all went out to ...
[ { "content": "The young boy saw me, or rather, he saw the car and quickly ran up to me, eager to sell his bunches of bananas and bags of peanuts. Though he appeared to be about twelve, he seemed to have already known the bitterness of life. \"Bananas 300 naira. Peanuts 200 naira.\" He said in a low voice. I bar...
[ { "content": "Teach in nice and beautiful Ecuador ! The government school we work with has about 200 pupils aged from 5 to 14 years old. The children come from many different economic backgrounds and family situations. Some of the children are supported by the upper-class employers of their parents; others cann...
[ { "content": "Which relationship between Earth's outer core and inner core generates a large portion of Earth's magnetic field?\n\nChoices:\nA. their relative masses\nB. their relative motions\nC. their relative diameters\nD. their relative circumferences", "role": "user" }, { "content": "B. their r...
[ { "content": "Are you a TV lover? Can you imagine living without TV? Well, you could give it a try. A group of Americans, TV-Turnoff Networks , have an idea. From April 19 to 25, they are asking children all over the world to turn off their TVs for one week. They hope children will find more interesting things ...
[ { "content": "Harriet Tubman was an AfricanAmerican woman who fought against slavery. She was born in 1820. She helped many people escape from slavery through the Underground Railroad. It was an organized effort to help slaves from the southern states to areas that banned slavery. Slaves could be sold freely. F...
[ { "content": "Scientists have written a report on the future of trade and industry. They talk about the role robots will play in industry. What is a robot?Basically ,it is a machine which is designed to do the work of a human being. It is usually controlled by a computer. Once it has been given a set of things ...
[ { "content": "Spam mail is a fact of Internet life. Some of it carries bad things, but the main problem with spam is that it is unpleasant because it fills your mail box with pointless messages. Most email programs have built-in filters that will discover unwanted messages and put them into a junk folder ....
[ { "content": "Dogs wag their tails in different directions depending on whether they are excited and wanting to move forward or threatened and thinking of moving back, a study has found. Researchers in Italy examined the tail wagging behaviour of 30 dogs, catching their responses to a range of stimuli with vi...