A blocked airway(呼吸道) can kill someone in three to four minutes, but it can take more than eight minutes for an ambulance to arrive. So a simple procedure such as opening someone's airway can save their life while they're waiting for emergency medical help. This means you're more likely to give first aid to someone you know than a stranger.

    There are many misconceptions (误解) surrounding first aid. Below are the ‘most popular' ones with details of what you should do.

    You should put butter or cream on a burn. The only thing you should put on a burn is cold water — keep the butter for cooking. Put the affected area under cold running water for at least ten minutes.

    The best way to treat bleeding is to put the wound under a tap. If you put a bleeding wound under a tap you wash away the body's clotting agents(凝血剂) and make it bleed more. Instead put pressure on the wound with whatever is available to stop or slow down the flow of blood. As soon as possible call 999. Keep pressure on the wound until help arrives.

    Nosebleeds are best treated by putting the head back. If you put the head back during a nosebleed, all the blood goes down the back of the airway. Instead advise them to tilt(倾斜) their head forwards and ask the person to pinch(捏) the end of their nose and breathe through their mouth.

    You need lots of training to do first aid. You don't — what you mostly need is common sense. You can learn enough first aid in a few minutes to save someone's life — whether it's from a book, attending a course or watching videos online.

    Remember: anyone can save a life

    Many of the world's most well-known people were once successful failures. Here are the stories of a few of them.

    Abraham Lincoln(1809-1865)

    Abraham Lincoln was one of America's greatest leaders, taking the country through the Civil War(from 1860 to 1865). However, his life was never easy. He started numerous businesses that failed. He went bankrupt twice, and was defeated in 26 campaigns for public office. He later said, “My great concern is not whether you have failed, but whether you are content with your failure. ”

    Vincent Van Gogh(1853-1890)

    Van Gogh is one of the most famous and influential painters in the history of Western Art. He's renowned for paintings such as TheStarryNight, ThePotatoEaters and Sunflowers. However, during his lifetime, Van Gogh sold only one painting for a very small amount of money. Despite this, he carried on painting, sometimes even going without food so he could complete his collection of over 800 known works.

    Albert Einstein(1879-1955)

    Albert Einstein won the Noble Prize in Physics in 1921. However, he wasn't always considered as a “genius”. He didn't speak until he was four, and couldn't read until he was seven. His teachers and parents thought he was slow, so he was expelled from school and couldn't get into the Zurich Polytechnic School. He later famously said, “Success is failure in progress. ”

    Stephen King(born 1947)

    Stephen King is one of the best-selling authors of all time, but his first book,  Carrie, was rejected by about 30 publishers. Eventually, Stephen threw it in the bin,  but his wife fished it out and encouraged him to resubmit it, which he did successfully this time!

    We may think we're a culture that gets rid of our worn technology at the first sight of something shiny and new, but a new study shows that we keep using our old devices (装置)well after they go out of style. That's bad news for the environment—and our wallets—as these outdated devices consume much more energy than the newer ones that do the same things.

    To figure out how much power these devices are using, Callie Babbitt and her colleagues at the Rochester Institute of Technology in New York tracked the environmental costs for each product throughout its life—from when its minerals are mined to when we stop using the device. This method provided a readout for how home energy use has evolved since the early 1990s.Devices were grouped by generation. Desktop computers, basic mobile phones, and box-set TVs defined 1992.Digital cameras arrived on the scene in 1997.And MP3 players, smart phones, and LCD TVs entered homes in 2002, before tablets and e-readers showed up in 2007.

    As we accumulated more devices, however, we didn't throw out our old ones.“The living-room television is replaced and gets planted in the kids' room, and suddenly one day, you have a TV in every room of the house,” said one researcher. The average number of electronic devices rose from four per household in 1992 to 13 in 2007.We're not just keeping these old devices—we continue to use them. According to the analysis of Babbitt's team, old desktop monitors and box TVs with cathode ray tubes are the worst devices with their energy consumption and contribution to greenhouse gas emissions (排放)more than doubling during the 1992 to 2007 window.

    So what's the solution (解决方案)?The team's data only went up to 2007,but the researchers also explored what would happen if consumers replaced old products with new electronics that serve more than one function, such as a tablet for word processing and TV viewing. They found that more on-demand entertainment viewing on tablets instead of TVs and desktop computers could cut energy consumption by 44%.

    Do you need useful and interesting books? Here we've got plenty for you.

Successful Fishermen

    Fishing is a healthy hobby. You can enjoy fresh air when you go fishing in the countryside. This book will teach you how to choose fishing places and how to make good fishing rods(竿) easily. Many kinds of fishing skills are shown in the book. Read it and you will become a more successful fisherman.

    Best Learners

    This book can give you the answers to the questions most often asked by parents, teachers and students themselves. Read this book and learn:

    What the three difficulties in study are and how to deal with them.

    What to do if you are not interested in a subject you are studying.

    Twenty­six simple exercises to help you study easily and fast.

    You will get more from this book. For younger students, you can buy Learn in Study for Beginners. It is easier to understand.

    How to Keep Pets

    A pet can be our best friend. Do you have pets in your house? Are they in good shape? This book not only offers you many colorful pictures of lovely pets, but also provides you with the knowledge about:

    How to choose right pets for yourself.

    How to build houses or nests(窝) for your pets.

    How to feed the pets and how to keep them clean.

    Buy this book and you will learn more.

    We have many other books on sale. For more information enter www. knowbetter com. If you buy two or more books at a time, you'll get 10% off.

An aspirin a day keeps the doctor away

    Dr. Tim Johnson discusses evidence of a daily dose of aspirin's benefits. That's not the saying, but doctors have agreed, for about a generation, that an aspirin a day is good for you. It may reduce the risk of heart attacks or strokes by 20 percent or more.

    The US Preventive Services Task Force, an independent group convened by the Department of Health and Human Services, has published guidelines that it says should end the confusion.

    The key points:

    ⒈Men should start a daily aspirin at age 45, mainly to protect against heart attacks.

    ⒉Women should start at 55, mainly to protect against stroke.

    ⒊For both sexes, a baby aspirin-typically 81 milligram a day-will do the job. There is no evidence that a large dose makes a difference.

    ⒋And both sexes should stop by age 80, unless their doctors say otherwise. As you get older, there's a greater risk of bleeding in the brain or the digestive system, a risk that is small but can be deadly in some cases.

    If people start taking aspirin as the guidelines, doctors say their risk of heart attacks will drop by about 20 percent. "People may ask themselves 'Am I at risk for a heart attack or a stroke?'" said Dr. Randal Thomas, director of cardiovas-cular health at the Mayo Clinic in Minnesota "If you are age 45 and male, if you're above age 55 and female, the answer is most likely yes, and you will most likely benefit from taking a small dose of aspirin a day.

Top Music Festivals in 2021

Coachella

Selling out fast every year, the Indio desert becomes a fashionable place where the coolest bands are watched by trendy people and celebrities. Near the top of everyone's bucket list of festivals, Coachella is a constant source of annual expectation and a hotbed for musical discussion.

When &. where: April 9-11 &. 16-18, 2021; Indio

Ultra Music Festival

Seen as the ultimate gathering for electronic music fans across the nation and globe, the streets of Miami turn into a bold and bumping party with popular DJs playing what will be the sounds of summer.

When & where: March 26-28, 2021; Miami

South By South West

Regarded as the ultimate trend-setter and launcher of careers, SXSW is an annual showcase of music, films and interactive highlights enjoyed through performances, showcases, talks, screenings and more. Virtually taking over the city of Austin, everyone in the world of music from fans to media flock here to discover the next big thing.

When &, where: March 16-20, 2021; Austin

The Governors Ball Music Festival

Another event which proves the music loving potential of Randall's Island Park is Governors Ball, an exciting and infectious mix of rock, hip-hop, electronic, pop and folk. Providing a variety of music and food tastes, whether you look to kick back and relax or dance to the beats, Governors Ball has what you want.

When & where: June 11-14, 2021; New York