It's a Saturday morning, and I am eager to fly away.My husband and I will meet up with our son on the other side of the country to learn and explore together.Sitting now at the airport gate,my husband wanders away to stretch his legs.Moments later,he returns and whispers in my ear.I rise and follow him around the comer toward a large window facing the landing area.

    On the road, Marines stand straight and the plane door is open.A white hearse(灵车）is parked nearby.A man and a soldier stand on either side of a woman,supporting her and waiting for what is to come.Airport personnel stand in reverent stillness.A few people place their hands over their hearts,as I have done.We're joined in witness,sending respect to an honorable soldier whose name we'll never know.

    The woman looks heartbroken. She cries, knowing she will never hear "Mom”from her son. She'll never feel his tender embrace or enjoy his sweet peck on her cheeks.Another man's face is twisted because of the grief.His son,the tiny boy he no doubt wrestled playfully,the teen he probably taught to drive,and the son he stood so proudly by,now lives only in his memory.

    Those behind the glass stay silent, reflecting on this loss, as the family and soldiers leave.Some of us women, with sorrowful expressions, move slowly away, sharing a mother's profound grief .Soon,each of us will fly off in planes and return to an ordinary life made extraordinary by this soldier's courage，by this family's sacrifice and by this love shared by all that look out of the window.

A few years ago, I read about an eight-year-old girl who studied elephant poaching in school and made a poster for her local grocery store. The slogan read, "Save the elephants. Don't buy Ivory Soap, or they will die out." What the girl had done taught me a lesson. Since then, I have looked at eight-year-olds in a different way. As an environmental educator, I used to teach eight-year-olds about the harm of elephant poaching, rainforest destruction, and global warming. I had a degree in natural science—but not in child development. What did I think I was accomplishing by putting my environmental concerns on the shoulders of kids who still believe in fairy tales?

Kids develop the fear of nature when their primary contact with the natural world is hearing bad news about the environment. If I wanted to inspire conservation action, I needed to change my ways, but now? I came across a research by psychologist Louise Chawla. She wanted to know what had gone on in the childhoods of adults who are good environmental citizens. She found two things most common. They had free time to explore the rivers or woods down the street, and they had an adult in their lives who was enthusiastic about the natural world. I understand now that what turned me into a good person today was a childhood spent playing in the field and having a dad who knew that finding a lobster under a rock was better than finding treasure.

    So that's what I was doing when I was eight years old—looking under rocks, climbing trees, and picking wild .flowers. I didn't know a thing about the Clean Air Act that was being debated in congress at that time. I didn't hear a lot of environmental problems. But I built a relationship with nature and I grew up to care. Now I treat my own kids like the child I was. My kids turn off the water when they brush their teeth and turn off the lights when they leave a room.

    How many girls in this world fall behind? The answer is hard—too many to count. This is why the phrase “Go Get It Girl” popped up in my head one day. This would be my project. Thus begins the journey of my Cold Award project, the largest and most important step of Girl Scouts (女童子军).

    “Go Get It Girl” is a girl's self-empowerment (自我授权) project centered on a website called gogetitgirl.org. It focuses on areas including education, health, and financial literacy. The education section includes information on applying to college and, maintaining good grades. The health section contains information on basic health and self-respect. Lastly, the financial literacy section has all the information a girl needs to manage her money properly.

    As part of my project, I was able to work one-on-one with girls in elementary, middle, and high school. I gave a speech at a local high school's College Night. I spoke to Hispanic girls and their parents about applying to college. In addition, I worked with an organization called Cool Girls, Inc. Cool Girls is an organization focused on the advancement of girls in all aspects of their development. I worked at the afterschool program, Cool Girls Club. The girls I worked with were primarily minorities, and Cool Girls truly helps them to rise above any current difficulties in their lives.

    To provide inspiration for the girls who visit gogetitgirl.org, I interviewed successful women in my community, including a doctor and business owner.

The project has been a lot of work, arid it's not over yet. It will never be over, hopefully, because I will always look for ways to help girls.

    A mother goat is able to pick out her own baby from its voice alone by the time the kid is just five days old.

    Researchers from University of London played kids' bleats to female goats and studied their responses. They were surprised to find that the animals were able to pick out their own kids' voices.

    “A mother and the kid rely a lot on smell to recognize one another and, in the wild, during the first week of their lives, the animals hide in grass and don't call much. It's a strategy they use to avoid enemies,” Dr Elodie Briefer, who led the research, explained to BBC News. “The mother call to the kids when she want them to come and feed, so we expected that kids would recognize the mothers' voices.” In fact, this was the case for deer, which also use this hiding strategy, although they do not belong to the same family of species as goats.

    She and her team recorded and played back young kids' calls to the female goats and recorded their responses. She explained, “Even when the calls came from kids that are five to six days old, we could see the mothers responding more to the voices of their own babies.” Hearing the voice of their own kids, the females would look towards the speaker that the sound was coming from, moving around and calling in response.

    The scientists say that understanding how goats behave and communicate is very important. “This helps us understand just how smart these animals are,” said Dr. Briefer. “Farmers might be able to change their way to raise goats considering this natural behaviour.”

    It is commonly believed that in medieval France, New Year was celebrated on 1 April. Then in 1562, Pope Gregory introduced a new calendar for the Christian world, changing New Year to 1 January. With no modern communications, news travelled slowly and new ideas were often questioned. Many people did not hear of the change, some merely forgot, and others chose to ignore it. These people were called fools. Invitations to non-existent "New Year" parties were sent and other practical jokes were played. Over time playing tricks on 1 April became a tradition. The custom eventually spread to England and Scotland, and it was later transported across the Atlantic to the American colonies (殖民地) of the English and the French. April Fools' Day has now developed into an international festival of fun, with different nationalities celebrating the day in special ways.

    France and Italy

    In France and Italy, if someone plays a trick on you, you are the "fish of April". By the month of April fish have only just hatched and are therefore easy to catch. Children stick paper fish to their Friends' backs and chocolate fish are found in the shops.

    America and Britain

    Today, Americans and the British play small tricks on friends and strangers alike on 1 April. A common trick is to point to a friend's shoe and say "Your shoelace (鞋带) is untied." When they look down, they are laughed at. Schoolchildren might tell a friend that school has been cancelled. Sometimes the media get involved. Once, a British short film was shown on April Fools' Day about spaghetti farmers and how they harvest their crop from spaghetti trees!

    Scotland

    In Scotland, April Fools' Day lasts for two days! The second day is called "Taily Day" and tricks on this day involve the bottom (or the "tail", in informal speech). Often a sign saying ‘kick me' is stuck onto someone's back without them knowing.

    A Latin phrase beloved by every old-fashioned British schoolmaster was mens sana in corpora sano—a healthy mind in a healthy body. Greater physical activity is associated with better mental, as well as physical health. And it might also be linked to greater worker productivity, and thus faster economic growth. That is the conclusion of a new report from a European think tank — RAND.

    The RAND study looks at different measures: absenteeism (when workers take time off for illness) and presenteeism (when they turn up for work but are less productive because of sickness). The latter measure was self-reported by employees, who were asked whether their work was negatively affected by health issues. The survey suggests that between 3 and 4.5 working days each year are lost as a consequence of workers being physically inactive. This is between 1.3% and 2% of annual working time. Most of this was down to presenteeism.

    Another potential gain from improved fitness is reduced health-care costs. In America, where health care is often provided through employment-based systems, firms could benefit. RAND estimates that total American health savings could be $6bn a year by 2025. But the study's authors conclude that if people met certain exercise targets, global GDP could be around 0.17-0.24% higher by 2050. Nothing to laugh at in a world of slowing growth.

    How to encourage workers to become more active? Rewards are useful but only if they have conditions; giving all employees free gym membership does not seem to work. Another RAND Europe study examined an experiment in which workers were each given an Apple watch, payable in instalments (分期付款) at a discounted price—but only to those who agreed to have their physical activity monitored. Monthly repayments depended on how much exercise they took.

    The problem is that many people are too optimistic about their health, ignoring the risks they face. This means that participation in workplace exercise plans tends to be low, around 7% in the sample studied by RAND. Firms are not the only ones that can encourage a healthier lifestyle; friends and families are likely to be more important. But businesses can play a bigger role.

    If RAND is right, this may bring them financial benefits. Company taskmasters may yet grow fond of an adapted saying: mens sana in corporate sano.