We always knew our daughter Kendall was going to be a performer of some sort. She entertained people in our small town by putting on shows on our front porch when she was only three or four. Blonde-haired, blue-eyed, and beautiful, she sang like a little angel.

    When Kendall was five, we began to notice that she was blinking a lot and clearing her throat frequently. We took her to our local children's hospital where she was diagnosed with Tourette's Syndrome.

    It was pretty devastating（毁灭性的）because other children constantly made fun of her, and sadly, even a teacher teased her. Through all this, Kendall continued to sing and entertain. Remarkably, her tics disappeared when she sang.

    In 2005 when Kendall was sixteen, we thought she was pretty much out of the woods -- or at least heading in that direction. However, a freak accident happened.

    At a birthday party, Kendall hopped on a friend for a piggyback ride. Kendall flew over his back and landed on the cement floor -- on her neck. An ambulance rushed her to the hospital where she spent the next week, paralyzed from the neck down. Ironically, her biggest concern wasn't whether she would walk again, but whether she would be able to audition（试唱）for American Idol.

    Doctors said Kendall had central cord syndrome. Sometimes the pain was so unbearable that she had to bite down on a toothbrush to take her mind off it. As the days dragged on, we didn't know for sure how much of her movement would ever come back.

    I believe Kendall wanted the American Idol audition so much that she willed herself to move again. One of her friends brought a microphone to the hospital and put it on her bed. Every day, Kendall tried hard to pick it up with her right hand. It was more important for her to pick up that microphone than a spoon or fork.

    Sometimes we all cried because of the pain we witnessed. But on the day Kendall walked into the stadium to audition for American Idol – a mere three months after her accident -- we cried tears of joy. And our tears turned into shouts when she was given a golden ticket to Hollywood.

    Kendall is eighteen now, living every day to its fullest. She's recorded a CD with some of John Mellencamp's band members. I'm absolutely sure she's going to make it big some day. Kendall just puts it all in God's hands.

    When she was a little girl trying hard to be strong, she looked up at me, her big eyes brimming with tears, and asked me why she had to have Tourette's Syndrome. My heart ached to make the word right for my child. But I looked right back at her and told her the truth as I see it.

    “Kendall, God gave you a pure heart, an angelic voice, a strong mind, and a beautiful presence. With all of that, he had to make it fair for everyone else.”

    Even plant can run a fever, especially when they're under attack by insects or disease. But unlike human, plants can have their temperature taken from 3,000 feet away straight up. A decade ago, adopting the infrared（红外线） scanning technology developed for military purposes and other satellites, physicist Stephen Paley came up with a quick way to take the temperature of crops to determine which ones are under stress. The goal was to let farmers precisely（精确的） target pesticide（杀虫剂） spraying rather than rain poison on a whole field, which always includes plants that don't have pest problems.

    Even better, Paley's Remote Scanning Services Company could detect crop problems before they became visible to the eye. Fixed on a plane flown at 3,000 feet at night, an infrared scanner measured the heat sent out by crops. The data were transformed into a color﹣coded map showing where plants were running "fevers". Farmers could then spot﹣spray, using 50 to 70 percent less pesticide that they otherwise would.

    The bad news is that Paley's company closed down in 1984, after only three years. Farmers resisted the new technology and long﹣term supporters were hard to find. But with the renewed concern about pesticides on produce and refinements（改进） in infrared scanning, Paley hopes to get back into operation. Agriculture experts have no doubt that the technology works. "This technique can be used on 75 percent of agricultural land in the United States," says George Oerther of Texas A&M, who recently retired from the Department of Agriculture, thinks remote infrared crop scanning could be adopted by the end of the decade. But only if Paley finds the financial support which he failed to obtain 10years ago.

    The Earth is facing a climate crisis, but it's also getting greener and leafier. According to new research, the rise is largely due to China and India.

    A study by National Aeronautics and Space Administration (NASA), based on extensive satellite photographs and published in the journal Nature Sustainability, has revealed that the two countries with the world's biggest populations are also responsible for the largest increase in greenness.

    Since 2000, the planet's green leaf area has increased by 5 percent, or over 2 million square miles. That's an area equivalent to the sum total of the Amazon rainforests, NASA says. But researchers stressed that the new greenery does not neutralize deforestation and its negative impacts on ecosystems elsewhere.

    A third of the leaf increase is thanks to China and India, due to the implementation of major tree-planting projects alongside a vast increase in agriculture.

    Using the data from a NASA sensor, researchers discovered that China is the source of a quarter of the increase in green leaf area, despite possessing only 6.6 percent of the world's vegetated area (植被区). Forests account for 42 percent of that increase, while croplands make up a further 32 percent. China's increase in forest area is the result of forest preservation and expansion programs, NASA said, established to fight against the impacts of climate change, air pollution and soil erosion (水土流失). India has contributed a further 6.8 percent rise in green leaf area, with 82 percent from croplands and 4.4 percent from forests.

    Rama Nemani, a co-author of the study and a researcher at NASA's Ames Research Center, said in a statement, "When the greening of the Earth was first observed, we thought it was due to a warmer, wetter climate and fertilization from the added carbon dioxide in the atmosphere, leading to more leaf growth in northern forests, for instance." "Now, with the data that lets us understand the phenomenon at really small scales, we see that humans are also contributing," Nemani said. "This will help scientists make better predictions about the behavior of different Earth systems, which will help countries make better decisions about how and when to take action."

    Thomas Pugh, a professor at the University of Birmingham's School of Geography, Earth and Environmental Sciences, said the NASA report expands scientists' understanding of the causes behind global greening. But he also cautioned that a direct line cannot be drawn between an increase in global greening and a decrease in negative impacts of climate change.

    San Francisco is a great city. Below are some ideas for educational activities and programs in San Francisco for this summer.

    The San Francisco School: Summer Programs

    There are summer camps for the children from pre-kindergarten through middle school at the San Francisco School. With programs such as "Fearless Writing" "A Green World" and "Re-Making Clothing", San Francisco becomes a great place for children to learn and have fun in the summer. Registration starts in the spring. Call 415-749-4550 to know more.

    San Francisco Art Institute: Community Education

    From children to elders, all people are welcome to sign up for all sorts of art classes all year round, such as "Adult Continuing Education", "Pre-college Programs" and "A Young Artist". Check online for schedules, class types, age groups and more or call 415-749-4500.

    San Francisco University High School: Summer Program

    This is a three-summer commitment and a great program preparing kids for college. It provides language and art classes in the morning and social studies such as sports and history in the afternoon. There are also fun activities such as a field day, a party night, a talent show, etc. 30 to 35 tenth-grade children are chosen each summer, so you have to fill out a form. Call 415-749-4558 to know more.

    Rudolf Steiner College: Summer Programs

    Rudolf Steiner has summer programs for those who want to take courses such as teaching grade courses 1 to 8. Registration is at the beginning of April. Call 415-749-4560 for more about it.

    These activities and programs are usually popular, and if you are interested, get up and join us!

    Crossing your legs is an extremely common habit; most people don't even notice that they're doing it when they sit down. While you may find it comfortable to sit with one knee crossed over the other, it might be causing health problems that you are not aware of.

    A study published in Blood Pressure Monitoring stated that sitting with your legs crossed can increase your blood pressure. The reason for this is that the blood in your legs has to work against gravity to be pumped back to your heart and that crossing one leg over the other increases resistance(阻力), making it even harder for the blood to circulate. This causes your body to increase your blood pressure to push the blood back to the heart. You won't feel any immediate effects, but repeated, drawn­out increases in blood pressure can cause long­term health problems. So, planning to sit for a long period of time? Don't keep your legs crossed.

    Crossing your legs at the knee can also cause pressure on the major nerve in your leg that passes just below your knee and along the outside of your leg, explains Richard Graves, a medical expert. This pressure can cause numbness and temporary paralysis (麻痹) of some of the muscles in your foot and leg, preventing you from being able to raise your ankle—what we know as that "pins and needles" sensation. While the feeling of discomfort may only last a minute or two, repeatedly crossing your legs until they feel numb can cause permanent nerve damage.

    So next time you sit down, try to get yourself in the habit of sitting with both of your feet on the floor. Not only will it help your posture and stability, but it will also save your health in the long run.

Day Trip to Tarangire National Park

Tarangire is one of those parks whose beauty is not fully recognized by people. It is often only visited for day trips because it is close to Ngorongoro and the Serengeti. It is full of elephants, zebras and lions. It also has some superb scenery to go with it. You can also see sights such as the Tarangire River.

Tarangire has the second highest concentration of wildlife in Tanzania after the Serengeti and the highest concentration of elephants in the world. It has over 700 lions living there as well as a wide selection of other animals.

Itinerary(行程)

You will be picked up from your accommodation. After an approximate 3 hours' drive, you will arrive at Tarangire National Park. The name of this national park originates from the Tarangire River that crosses the park. The park is considered as one of the best places to view elephants up close. From the open roof of the safari (野外观兽旅行) vehicle you will be able to absorb the landscape and see the animals wandering around. In the late afternoon you will have a hot meal, and then you will leave the park and drive back to Moshi.

Included in the price (US $620 per person)

☑Al l Tanzania national park fees ☒International flights to/from Tanzania

☑ Meals according to the itinerary for ☒Alcoholic and soft drinks

each day ☒Personal expenses & tips

☑Bottle of mineral water for each day ☒Travel insurance & visa fees

☑Professional English-speaking guide ☒Extra activities within the park

☑Safari 4 ×4 jeep with all accessories ☒ Hotel accommodation before and after the safari 

Come and start your day trip! Click here and fill out the form to send a booking request immediately.