Our body clock, or natural body rhythm, influences our energy and alertness. Paying attention to it can help us choose the suitable time of the day when we best perform specific tasks.

    The reality, however, is that most of us organize the time around work demands, school deadlines, commuting or social events. Doing whatever the body feels like doing is a luxury in today's fast-paced modern society.

    But that doesn't mean it isn't worth trying. Obeying our body clock has significant health benefits. Disrupting our natural body rhythm, on the other hand, has been linked to problems such as depression, obesity, or headache, says Steve Key, a biology professor.

    When the body clock can synchronize (使…同步) the rhythms of its natural processes, it “gives us an advantage in daily life”, says Key.

    According to him, when it comes to cognitive (认知的) work, most adults perform best in the late morning. As our body temperature starts to rise just before awakening in the morning and continues to increase until midday, our memory, alertness and concentration gradually improve.

    However, he adds, our ability to concentrate typically starts to decrease soon thereafter. Most of us are more easily distracted (分心) between noon and 4 pm.

    Alertness also tends to fall after eating a meal and sleepiness tends to peak around 2 pm, making that a good time for a nap.

    Surprisingly, tiredness may increase our creative powers. For most adults, problems that require open-ended thinking are often best dealt with in the evening when they are tired, according to a study in the journal Thinking & Reasoning.

    When choosing a time of the day to exercise, paying attention to your body clock can improve results. Physical performance is usually best from about 3 to 6 pm, says Michael Smolensky, a professor of biomedical engineering.

    Of course, not everyone's body clock is the same, making it even harder to synchronize natural rhythms with daily plans.

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    Among the most popular forms of dieting is the South Beach diet, developed by Arthur Agatston of Miami, Florida. Dr. Agatston developed the South Beach diet for his patients with heart problems to lose weight. Since weight matters a lot in keeping heart healthy and traditional low-fat diets were too difficult for them to stick to, Dr. Agatston decided to create a plan that could help his patients. At first, the diet was just for his patients. Soon, thanks to his patients' success, the diet became the buzz in Miami, and eventually, word spread across the nation.

    This diet focuses on a healthy balance between carbohydrates（碳水化合物）and fats. It is based on eating a combination of “good” carbohydrates and fats, while limiting those “bad” ones. It is divided into three different phases.

    The first phase lasts for two weeks and is the strictest of the three. During this phase, you are asked to restrict（限制）all carbohydrates (good and bad). You are allowed to eat all types of fish, cheeses, eggs, and nuts, and a large number of vegetables. Most dieters can expect to lose between 8 and 12 pounds during this phase.

    During Phase 2, you are allowed to reintroduce some of those carbohydrates that are not allowed before. You are encouraged to start eating carbohydrates that have a low glycemic index（升糖指数）. But you should keep in mind that the key is moderation（适度）. Most people continue to lose 1-2 pounds per week. You continue with this phase until you reach your target weight.

    Phase 3 is designed to help you keep your weight. During Phase 3, you can reintroduce some of the carbohydrates that have a higher glycemic index, although again, this should be in moderation. Phase 3 is meant to be a way of life.

    We are looking for a full-time nanny to help care for our young children. This position is suitable for people with 3 years or less teaching experience that are looking for a new direction or a break from teaching. It is also suitable for school leavers.
    Responsibilities will include:

    Helping us take care of our young children

    Handling small projects and light housework as needed

    Please apply by sending your resume(简历) to prudolph@architects.com.

    Pre Kindergarten(幼儿园) Teachers

    Are you energetic and believe that children learn best through play-based activities? We do, too. At Montgomery Child Care Association, we try hard to provide the best early care and education for children. Our salary(薪水) and benefits package is one of the best in the industry. An AA (a two-year college degree in the US) or higher in Early Childhood Education plus previous experience with children in a child care setting is preferred.

    Consider a career with us! E-mail: resumes@mccaedu.org.

    Learning Center Instructor

    School on Wheels is a non-profit(非盈利的) organization to support the educational needs of homeless children. We are now searching for an experienced teacher to instruct children during the after-school program at our Downtown Los Angeles Learning Center.

    You should have 3 + years teaching experience and excellent communication skills. Knowledge of the Spanish language is required.

    Please apply by e-mailing your resume to administration@schoolonwheels.org.

    Special Education Teacher

    An exciting teaching opportunity is offered by De LaSalle Academy, a non-profit school for 96 students with special learning needs. De LaSalle Academy has very high expectations for teacher performance, particularly in the areas of teacher-student-parent relationship, classroom management, high level of understanding of disabilities of the student and the ability to recognize student needs.

    If you are 25-35 and have experience in special education, you could be the person we are looking for.

    Please e-mail to imoreau@delasallefm.org.

    "Do you like my dress?" She asked of a passing stranger. "My mommy made it just for me." She said with a tear in her eye.

    "Well, I think it's very pretty, so, why are you crying?"

    With a tremble in her voice the little girl answered. "After mommy made me this dress, she had to go away."

    "Well, now," said the lady, "with a little girl like you waiting for her, I'm sure she'll be right back."

    "No Ma'am, you don't understand," said the child through her tears, "my daddy said she's up in heaven now with Grandfather."

    The woman realized what the child meant, and why she was crying. Kneeling down she gently gathered the child into her arms and together they cried for the mommy that was gone. As the woman intended to go, the little girl grabbed her sleeve, pointing to a spot on her dress, saying, "Here is where my mommy kissed my dress, and here," pointing to another spot, "and here is another kiss, and here, and here. Mommy said that she put all those kisses on my dress so that I would have her kisses whenever I cry."

    Then the lady realized that she wasn't just looking at a dress, she was looking at a mother who knew that she was going away and would not be there to kiss away the hurts that she knew her daughter would get. So she took all the love she had for her little girl and put them into this dress. She no longer saw a little girl in a simple dress. She saw a child wrapped in her mother's love.

    Some of the world's most famous musicians recently gathered in Paris and New Orleans to celebrate the first annual International Jazz Day. UNESCO(United Nations Educational, Scientific and Cultural Organization) recently set April 30 as a day to raise awareness of jazz music, its significance, and its potential as a unifying(联合) voice across cultures.

    Despite the celebrations, though, in the U. S. the jazz audience continues to shrink and grow older, and the music has failed to connect with younger generations.

    It's Jason Moran's job to help change that. As the Kennedy Center's artistic adviser for jazz, Moran hopes to widen the audience for jazz, make the music more accessible, and preserve its history and culture.

    "Jazz seems like it's not really a part of the American appetite, "Moran tells National Public Radio's reporter Neal Conan. "What I'm hoping to accomplish is that my generation and younger start to reconsider and understand that jazz is not black and white anymore. It's actually color, and it's actually digital. "

    Moran says one of the problems with jazz today is that the entertainment aspect of the music has been lost. "The music can't be presented today the way it was in 1908 or 1958. It has to continue to move, because the way the world works is not the same, "says Moran.

    Last year, Moran worked on a project that arranged Fats Waller's music for a dance party, "just to kind of put it back in the mind that Waller is dance music as much as it is concert music," says Moran. "For me, it's the recontextualization. In music, where does the emotion(情感) lie? Are we, as humans, gaining any insight(感悟) on how to talk about ourselves and how something as abstract as a Charlie Parker record gets us into a dialogue about our emotions and our thoughts? Sometimes we lose sight that the music has a wider context," says Moran, "so I want to continue those dialogues. Those are the things I want to foster. "