I remember my mother as a strong woman. She came to America when she was 12—old enough to remember her language, she achieved scores and grades high enough to be admitted to Duke University. With a degree in computer science, she finally became the manager of a company in New York. My mother could give fluent speeches, say “wolves” correctly.

    It was my mother who always stressed the importance of language. From the time I was born, I was read to. I would fall asleep to the sounds of my parents' voices, whether it was my dad's softly accented, or my mother's clear English. The flow of language was unbroken, and whether in Chinese or English, the stream of communication flowed through our house.

    One October morning in sixth grade, after my mother had left to catch the train to the city, I left the house for the bus stop. I was surprised when I saw our car, the door hanging open. As I drew closer, I saw my mother lying on the ground.

    In the hospital, it was hard to believe that the lady who lay before me was my mom. My mother could not remember my name. As the leaves changed colors, it became clear that the stroke had created a wall between my mothers mind and mouth: her mind was not any less dear, but the words she spoke were not what she meant.

    The battle my mother faced taught me the importance of language. Without it, identity does not exist; relationships cannot be formed; stories cannot be told; directions cannot be given, and knowing anything about anyone is impossible. Without language, communication cannot take place. Without language, one cannot express the beauty of a sunset or the kindness of a stranger. The world would pass us by in silence.

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    A small group of people around the world have started implanting(移植) microchips to link the body and the computer.

    Mr. Donelson and three friends, who had driven 100 miles from their homes in Loockport, New York, to have the implants put in by Dr. Jesse Villemaire, whom they had persuaded to do the work, are part of a small group, about 30 people around the world, who have independently put in microchips into their bodies, according to Web-based reports.

    At a shop William Donelson was having a four-millimeter-wide needle put into his left hand. “I'm set,”he said with a deep breath. He watched as the needle pierced(刺穿) the fleshy webbing between his thumb and a microchip was set under his skin. At last he would be able to do what he had long imagined: strengthen his body's powers through technology.

    By putting the chip inside—a radio frequency identification device (RFID)—Mr. Donelson would have at his fingertips the same magic that makes safety gates open with a knock of a card, and bridge and tunnel traffic flow smoothly with an E-Zpass. With a wave of his hand he plans to connect with his computer, open doors and unlock his car.

    Implanting the chip was relatively simple task but very meaningful to Mr. Doneselson, a 21-year-old computer networking student so interested in the link between technology and the body that he has data-input jacks(数据输入插空) inside his body. They might lead to an imagined future when people can be connected directly into computers. His new chip is enclosed in a glass container no bigger than a piece of rice and has a small memory where he has stored the words “Technology”.

    Some doctors have done the piercing in people's homes, and others have implanted chips in their offices after patients signed forms showing the fact that long-term studies have not been done on their safety. Piercers treat the implants much like any other medical operation steps, instructing people to keep the site dry, and advising them that swelling and redness should last a week.

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    For students at the Farm School in Hamilton, Virginia, the classroom is outside every day. Jaclyn Jenkins is the founder of the school. “The No. 1 question we get immediately from parents is 'What happens if it rains?' And we say, 'Bring an extra set of clothes!'” Jenkins adds, “We still educate them. Their brains are working when they're moving. So, our goal is to always be outside.” The Farm School is a preschool, a place for 3- and 4-year-olds to learn and play.

    Alison Huff has taught at other schools. She says the Farm School gives its students more of a hands-on learning experience. For example, children use pumpkins to learn about colors and counting. They learn about measurement by planting seeds 30 centimeters apart. Huff adds, “We can use everything a regular preschool uses, but out in the garden.” In addition to planting vegetables and fruits, children help prepare food and clean up afterwards. The school teaches the children to cook using the food they have grown. “They can see the benefits of what they have in the garden and taste it then instead of going to the grocery store and buying it,” says Huff.

    The preschoolers also learn words in languages other than English. Huff speaks in both English and Spanish. Her assistant speaks French and Arabic. A 3-year-old in her class speaks four different languages.

    Farm animals are also an important part of the education program. Jenkins says the children learn about a different animal every month. Two months ago, she says, that animal was a cow. “We do actually have a cow that we bring to the school. They get to see what the cow is like, an learn what cows eat. They use little gloves and pretend to actually milk a cow. They make butter and yogurt.” The children spent another month with a large bird — a turkey.

    The idea for a school like this started after Jenkins and her husband bought a farm in Hamilton, with a late 18th-century house. They called it “One Day Farm” because years earlier they had hoped that “one day” they would have a farm. “That's when it started, the spark of a farm school,” said Jenkins.

    Have you eaten too much over the holidays? You should try fidgeting for a while. Those around you might not like it, but scratching (moving your nails (指甲) against a part of your body) and twitching (moving suddenly and quickly when you don't want to) is an important way of burning up calories (卡路里).

    American researchers have found that some people's squirming (continuously turn your body when nervous) and wigging (move in small movements, especially from side to side) equals (等于) several miles of slow running each day.

    The scientists, based at the National Institute of Health's laboratory in Phenix, Arizona, are studying why some people get fat and other stay slim.

    In one study 177 people each spent 24 hours in a room in the institute where the amount (量) of energy is measured by their oxygen and carbon dioxide (二氧化碳) levels. By the end of the day, some people had burned up 800 calories in toe-tapping, (moving the front part of your foot up and down) finger-drumming (hitting your fingers continuously and lightly against something hard) and other nervous habits. However, others had burned up only 100 calories.

    The researchers found that slim（苗条的）women fidget more than fat women, but there was no significant difference in men. Heavy people burn up more energy when they fidget than do thin people.

    In a world full of Kates and Sarahs, you might think it'd be nice to have a unique name to help me stand out in a crowd. Being named Stacia (pronounced stay-sha) is not so lucky to me. I'll get the occasional "Your name is so pretty" after introducing myself, but eventually my name causes me more frustration than happiness. For example, Microsoft Word always tries to tell me my name isn't a real word. I couldn't even pronounce my own name correctly until I was five.

    I once had a professor who pronounced my name differently each class. After a while I stopped correcting him, and that's been my reaction to strangers ever since. In other cases, I'd rather tell the seller my name is Staci and save both of us, as well as the people standing behind me in line, valuable time.

    Meeting new people gives me anxiety, and I've realized it's easier just to lie about my name altogether in certain cases. Actually I did—so many times that Brittany is now my chosen "going out" name. It may have caused some confusion for my friends at first, who would let out a small laugh or have a confused look, but I've trained them to keep a straight face whenever I whip out this fake (假的) name. Now going out on weekends means I get to have a shift of identity.

    Frustrations aside, being the owner of a unique name has made me appreciate the little things in life. Someone pronouncing or spelling my name correctly on the first try brings me more joy than it probably should. I also love it when I meet another Stacia and we get to bond over our shared struggles.

    To any other Stacias reading this—I feel you, girl. P. S. I apologize to any real Brittanys out there. Thanks for letting me borrow your name.

    After disappearing for over 19 years, measles (麻疹) is making a comeback in America. Since January 2019, the disease has infected more than 700 people, mostly small children, and the number seems to be increasing daily.

    Measles is an infectious disease that typically begins with a high fever, cough, runny nose, and red, watery eyes. Many people also lose their appetites and feel sleepy. About three to four days after the symptoms start, the person breaks out into a rash (皮疹) that begins on the face at the hairline and then spreads to the neck and the rest of the body.

    In healthy people, the recovery, which takes between two to three weeks, starts soon after the rash begins. However, for about 40 percent of patients ­ mainly kids under the age of five or older adults ­ the disease often leads to pneumonia (肺炎), which, if left untreated, could result in death.

    The recent outbreak is thought to have been caused by travelers picking up the virus in a country where the disease is still existing and exposing it to an unvaccinated (未接种的) community in the US. In New York, it was carried back by someone who had recently visited Israel, which is currently undergoing a significant measles, while in Washington, "patient zero" was infected by a type that is currently circulating in Europe.

    To limit the spread of the disease before it gets out of hand, US health officials are attempting to educate communities with high rates of unvaccinated children. They are also urging adults to consult with their physicians and get injected if considered necessary by the doctor.

    Hopefully, health officials worldwide will be able to convince parents that vaccinating their children will protect, not harm, them.