How fit are your teeth? Are you lazy about brushing them? Never fear: An inventor is on the case. An electric toothbrush senses how long and how well you brush, and it lets you track your performance on your phone.

    The Kolibree toothbrush was exhibited at the International Consumer Electronics Show in Las Vegas this week. It senses how it is moved and can send the information to an Android phone or iPhone via a Bluetooth wireless connection.

    The toothbrush will be able to teach you to brush right (don't forget the insides of the teeth!) and make sure you're brushing long enough. “It's kind of like having a dentist actually watch your brushing on a day-to-day basis,” says Thomas Serval, the French inventor.

    The toothbrush will also be able to talk to other applications on your phone, so developers could, for instance, create a game controlled by your toothbrush. You could score points for beating monsters among your teeth. “We try to make it smart but also fun,” Several says.

    Serval says he was inspired by his experience as a father. He would come home from work and ask his kids if they had brushed their teeth. They said “yes,” but Serval would find their toothbrush heads dry. He decided he needed a brush that really told him how well his children brushed.

    The company says the Kolibree will go on sale this summer, for $99 to $199, developing on features. The U.S. is the first target market.

    Serval says that one day, it'll be possible to replace the brush on the handle with a brushing unit that also has a camera. The camera can even examine holes in your teeth while you brush.

    Finding a summer job often shows that you're growing up, and it's also a way to earn money to pay for what you dream of. It's never too early to start considering the future. Now, here are some good choices for you!

    Retail（零售）Sales

    Retail offers plenty of chances for teens who are looking for a job. This type of work can pay from $ 10 to $ 15 an hour depending on the duty you are expected to take on. For more information, call us at 4005075.

    Food Service

    A job in the food service industry is a natural fit for sociable teens who enjoy communicating with the public. It allows employees to work as part of a team while learning about following instructions. It also comes with the chance to earn between $ 7 and $ 9 per hour. Just call 4005077 for more information.

    Babysitter （保姆）

    This job requires someone who is highly responsible. Though it pays generally between $ 6 and $ 8 hourly, it also requires a lot of patience. This is a great choice for teens who wish to make a career in teaching, child care, social work or any other field that makes use of social skills or requires interaction（互动）with kids. Got a question? Just call 4005076.

    Housekeeping

    This type of work can bring in about $ 5 an hour and it will allow teens to learn the tourism industry, so hotels are often looking for more housekeeping staff, and parks often need more people to help with keeping public areas clean and organized as well. Telephone 4005079.

    The English language is full of phrases about the weather. Some of these phrases are easy to understand, but others are not really about the weather at all. If you say you "hit rough weather", you may not be struck by a real storm, but you do experience difficulties or problems. If you don't know what such phrases mean, they might leave you "in a fog (雾)"!

    In English, you can "shoot the breeze", or have an informal chat. But things can also be a breeze. If you take an exam and find it very easy, you'd tell your friends: "It was a breeze!" The wind can also bring information. You can "get wind of" a piece of news, and if someone "knows which way the wind blows", they have a good idea about how things will work out. But don't "throw caution (警惕) to the wind" — that means taking a great risk!

    Clouds sometimes bring rain, and in English they often represent problems or difficulties. If someone "sees a cloud on the horizon (地平线)", there may be problems ahead. And if someone is "under a cloud", then people think the person might have done something wrong. But clouds are not always bad; in fact, people say that "every cloud has a silver lining". This means that there is a good side to every situation, no matter how bad it may seem. You may even end up "on cloud nine", which means you are very happy! But some people have their "heads in the clouds", not paying attention to reality.

    No one likes to be stuck in the rain or storm, so it's no surprise that phrases about them are generally negative. When someone says "it never rains but it pours", they are complaining (抱怨) that when things go wrong, they go very wrong. People who talk about "weathering a storm" just want to get through a difficult period or situation.

    Captain America and Blackpanther were about to defend Earth from the criminal Thanos when Kevin Foley first noticed something was wrong. Foley, a 46-year old information-technology worker from Kyle, Texas, was heading into the theater to see Avengers: Infinity War when he realized he was having trouble breathing normally. The same symptom struck again during another movie the following night, but more severe this time. Once the cast on the second film rolled, Foley took action: he looked at his wristwatch. It was a bigger step than you might imagine, because Foley was wearing an Apple Watch equipped with medical sensors and experimental software to track basic functions of his heart. And the watch was worried. It had, according to the display, detected signs of an irregular heartbeat.

    Before long, Foley was in an emergency room, where doctors hooked him up to an ECG(心电图), which showed that he was in atrial fibrillation(心房颤动), an irregular heartbeat that can lead to blood clots(血栓), stroke and other potentially disastrous diseases. Foley spent the next few days in the hospital while doctors worked to return him to a normal heart rhythm eventually turning to a procedure called electrical cardioversion to shock his heart back to normal. Foley is doing fine now. But he believes that, if not for the warning on his watch, he might not have sought help in time. “I would have never known,” he says.

    Foley and his watch were part of an experiment run by Apple and Stanford's medical school. But beginning Dec. 6, anyone can get an on-the-fly heart checkup, assuming they've paid $399 or more for an Apple Watch. That's when Apple will launch a software update that turns its latest model, called the Series 4, into a personal ECG, thanks to an innovative new sensor. Though less complicated than hospital ECG machines, the watch version can still provide basic information and warnings of potential risks worthy of a closer look by a medical professional.

    For Apple, this new ECG-on-your-wrist is its biggest bet yet that personal technology will inevitably include personal health. Along with competitors, Apple has already offered fitness functions, such as apps to track the steps you've walked. But with the new ECG scan, Apple is moving straight into medical aspects of heath, a distinction underlined by the fact it sought and received Food and Drug Administration clearance for the clearance for the heart monitor.

    Best Southern winter Beer Festivals to Challenge Your Taste

    Bluffton International Craft Beer Festival

    This festival is considered to be "The Best Little Beer Fest in the US". This festival shows over 125 beers from more than 40 breweries (啤酒厂) across the US and focuses on unique and new beers that you usually can't find in a grocery store. The festival even has hourly surprises of a limited quantity of rare beers as well as food for those who can arrive in time.

    Bayou Beer Fest

    The Bayou Beer Fest is the premier beer festival in the Bayou Region of southern Louisiana and is held at the historic 19th century sugar farm, making it a truly memorable beer festival. The festival will provide hundreds of beers from state-based, national, and even international breweries, of course, there will also be food to purchase, and several Louisiana-style musical acts to keep the festival alive.

    Key Largo Brew on the Bay

    It's actually winter at this beer festival held in the largest section of the Florida Keys. The festival covers two days, and will feature at least 40 different breweries, including local breweries. Besides, because it does harm to your health to enjoy beer on an empty stomach, Brew on the Bay will feature a food court, with fresh Florida lionfish, fish sandwiches and shellfish.

    Yaga's Chili (辣椒) Quest& Beer Fest

    Beer and chili go together like peas and carrots, so you will not want to miss the annual Yaga's Chili Quest Beer Fest. The festival will feature over 100 import beers, including rare finds and a few surprises prepared for all people present. Of course, there will also be a variety of tasty chili for you to try.

    No trip to Chicago is complete without a visit to the Art Institute, which is the second largest art museum in the nation.

    Opening hours:

    Mon - Wed & Fri - Sun, 10:30 am - 5 pm; Thu, 10:30 am- 8 pm; closed on New Year's Day, Thanksgiving, and Christmas Day.

    Highlights:

    The Modern Wing contains contemporary masterpieces by Dali, Matisse, Miro, Picasso, Pollock, and Warhol.

    In the Central Hall visitors can view one of the world's finest Impressionist collections, including masterpieces by Monet, Degas, Renoir, Seurat, Gauguin, and Van Gogh.

    Thorne Miniature Rooms offer a detailed view of European homes from the 16th century through the 1930s and American homes from the 17th century to 1940.

    The past returns as over 550 works from 4,000 years of art come together in Of Gods and Glamour, located in the beautiful new Mary and Michael Jaharis Galleries of Greek, Roman, and Byzantine Art.

    Advice for visitors:

    Free guided tours are available daily at noon.

    Free art-making activities are available for children each weekend from 11 am to 2 pm.

    Visit the Family Room in the Ryan Education Center, open daily from 10:30 am – 5 pm, and introduce your child to the museum's collections with a variety of hands-on activities. Assemble (组装) puzzles based on masterpieces you'll see in the galleries, build architectural wonders with colorful blocks, and learn about art through stories and games at Curious Corner.

    Check out the Lion's Trial tour for children ages 5-10. This tour is especially designed for the young people in your group! Don't miss it!

Getting there:

    You can take the follow buses: 1, 3, 4, 6, 7, 14, 26, 28, 126, 143.