The morning had been a disaster. My tooth was aching, and I'd been in an argument with a friend. Her words still hurt: “The trouble with you is that you won't put yourself in my place. Can't you see things from my point of view?” I shook my head stubbornly—and felt the ache in my tooth. I'd thought I could hold out till my dentist came back from holiday, but the pain was really unbearable. I started calling the dentists in the phone book, but no one could see me immediately. Finally, at about lunchtime, I got lucky.

    “If you come by right now,” the receptionist said, “the dentist will fit you in.”

    I took my purse and keys and rushed to my car. But suddenly I began to doubt about the dentist. What kind of dentist would be so eager to treat someone at such short time? Why wasn't he as busy as the others?

    In the dentist's office, I sat down and looked around. I saw nothing but the bare walls and I became even more worried. The assistant noticed my nervousness and placed her warm hand over my ice-cold one.

    When I told her my fears, she laughed and said, “Don't worry. The dentist is very good.”

    “How long do I have to wait for him?” I asked impatiently.

    “Come on, he is coming. Just lie down and relax. And enjoy the artwork,” the assistant said.

    “The artwork?” I was puzzled.

    The chair went back, suddenly I smiled. There was a beautiful picture, right where I could enjoy it: on the ceiling. How considerate the dentist was! At that moment, I began to understand what my friend meant by her words.

    What a relief！

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Note：

* All under 18's must be accompanied by an adult

* Pets allowed: No

* Cost: Free

* Phone: 01674­830736

* Location: SNH Visitor Centre, St Cyrus National Nature Reserve

    I Am A Pencil

    Children's book author Sam Swope took a job teaching writing to third-graders in the New York City. His students were immigrants （移民） or the children of immigrants from 21 countries，speaking 11 languages and having many different beliefs. But there were a few things they had in common：family troubles，money struggles and poetry.

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    What It Takes To Help Me Out

    An editor for US News & World Report，David L. Marcus takes us inside a boarding （寄宿）school for troubled teens. He shows the great stresses that are put on these teens and make them lose their confidence. This should cause us to think hard about troubled teens.

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    The Most Scenic Drives in America

    Published again and again and translated into several languages beginning in 1997，this travel book includes over 200 brand-new photographs of the wonderful places along 120 selected routes.

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    Our Brother's Keeper

    Author Jedwin Smith tells what happened when he met several of his brother's old friends. They make a journey to Vietnam，to visit the place where Jeff，his brother，died. Surprisingly，their Vietnamese guide was the former commander （海军中校）carrying out the attack that killed Jeff. A powerful story of brotherhood，bravery and understanding carried out.

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    Something's happening at the lowest point on our planet, some 1,388 feet below sea level. The Dead Sea, a salt lake close to Israel, Jordan and the West Bank, is shrinking at an alarming rate—about 3.3 feet per year, according to the environmentalist group EcoPeace Middle East.

    “It's not just like one country is punishing the Dead Sea; it's more like the whole region,” said photographer Moritz Küstner, who visited the area in February to work on his series “The Dying Dead Sea”.

    The Dead Sea needs water from the other natural sources surrounding it, such as the Jordan River basin. But around the 1960s, the courses of some water sources it relied upon were diverted. Israel, for instance, built a pipeline during that time so it could supply water throughout the country.

    Mineral extraction(提取)industries are another main reason why the water levels are declining, experts say. The Dead Sea's minerals have been popular for their medical power and can often be found in cosmetics(化妆品)and other consumer products.

    And then, of course, there's the Middle East's hot, dry climate, which makes it difficult for the lake to refill itself. Last year, Israel and Jordan signed a $ 900 million deal in an effort to stabilize the Dead Sea's water levels. It involves building a canal from the Red Sea to the Dead Sea which would be able to not only supply water to Israel and Jordan but also to pump much needed water—some 300 million cubic meters annually—into the Dead Sea.

    “This is the most important and significant agreement since the peace treaty with Jordan (in 1994),” said Silvan Shalom, Israel's energy and water resources minister at the time. Whether the canal—estimated to take three years to complete—will work out positively and as planned remains to be seen.

    For now, Küstner shows us that the Dead Sea remains very much a place of interest, with people from all over the world going there to swim in its salty waters.

    Humans make mistakes. Even surgeons with years of experience are not infallible. But what if these doctors could pool their knowledge and experience together and create a surgical standard of care, to be carried out by machines?

    That's the idea behind surgical robots, which may soon perform most surgeries, from sewing up tiny wounds to performing heart procedures. Many of these operations are, in fact, already completed with the assistance of robots. But a recent test suggests that robots in the operating room may soon go a step further, performing on soft tissue completely on their own, from start to finish.

    The Smart Tissue Autonomous Robot（STAR）, successfully completed surgeries on pigs. "We're the first group to develop autonomous robotic surgery with soft-tissue surgery, and when compared to standard operation, it's better, "says Peter Kim, professor of surgery. "The idea is not to replace surgeons；it will make the surgeons better and make the procedures safer. "

    A recent Mayo Clinic study found that major surgical errors-including operating on the wrong site or side of the body, or even leaving tools or objects inside the patient-occur every one out of 22, 000 procedures. That's rare, but robots like STAR would aim to lower the number even further.

    In the da Vinci surgical system, surgeons place their arms inside instruments and use their hands to control the movement of robotic tools on the operating table from afar. The robot's every major move is controlled by surgeons, and thus its results may vary based on the surgeon's training or experience.

    STAR, on the other hand, is entirely autonomous. It's not only able to work on its own and perform surgeries with a more flexible "hand", but it's able to react to the unexpected incidents. Cutting into hard tissue like bones is one thing, but operating on moving soft tissue is far more complex. STAR reacts to a changing environment, similar to how self-driving cars are programmed to not only drive on the highway, but also react to another driver making a mistake and getting in your way.