Sunday, July 28, 2013

I'm A Little Airplane

Singing children running through fields with arms outstretched, kids flying kites, and youngsters folding paper airplanes all are following in the tradition of inventors around the world who looked up at birds and tried to imitate their ability to fly.

     We know the Greek myth of Icarus whose feather and wax wings melted when he flew too close to the sun. In Renaissance Italy, Leonardo da Vinci, who designed an airplane but lacked an engine to fly it, had such respect for the birds his design mimicked that he bought the caged birds he saw in Florence in order to set them free.

     Birds have inspired the realistic drawings of John James Audubon and the new stylized paintings of Dutch artist, Jeroen Allart. Gardeners plant a mix of trees, shrubs, grasses, vines, and flowers to attract a variety of bird species and to protect them while they feed. Guided by experts from World Birders (worldbirders.com) in the UK, bird watchers, known as birders, travel the globe to see as many species as possible, especially those that are endangered.

     Earthbound people have found ways for birds to help them. As far back as 2200 B.C. there is mention of the Chinese use of trained falcons. Marshaling their birds' speed to fly high, dive onto prey, and kill with beak and sharp talons, hunters have taken to the field with falcons and hawks to procure a wide variety of game birds, hares, and even small deer and wolves.

     During wars, soldiers have used the natural instinct of pigeons to return to a home loft to carry messages that deceived the enemy (Read Double Cross by Ben Macintyre). Today, drones (See The Art of Intelligence by Henry A. Crumpton) and the robotic spy drones that are shaped like hummingbirds seem somewhat like descendants of the homing pigeon.

     Nowadays, kids who send messages in helium-filled balloons follow in the tradition of the French Montgolfier brothers who showed people they could fly by filling a large silk bag with heated air in 1783. Flying balloons drifted at the mercy of wind and air currents until the Brazilian, Alberto Santos-Dumont, powered his dirigible, or airship, with a gasoline engine in 1898. Germans used dirigibles in World War I, and, when the war ended, airships began to carry passengers across the Atlantic Ocean. Famously, the Germans' hydrogen-filled Hindenburg burst into flames in 1937.

    The Pilot and the Little Prince by Peter Sis not only tells young readers 6 to 8 years old about the life of Antoine de Saint-Exupery, author of The Little Prince, but also covers the early days of aviation. In the years following the brief flight of Orville and Wilbur Wright in 1903, military, passenger, mail, and freight use of airplanes and helicopters has expanded. There have been constant improvements in engines, pilot and flight attendant training, flame resistant plane interiors, safety regulations, and "black boxes" used to determine what went wrong in the case of crashes. All these areas present career opportunities for young people interested in aviation. (Those interested in a career in space, might enjoy my earlier post, "Space Explorers.")

     Understanding the broad appeal of flight, even to those whose career interests are not in aviation, filmmakers have tapped a variety of sources to make Superman movies, tie balloons to a chair to go Up, create a flying suit for Iron Man, and play on national stereotypes in Those Magnificent Men in Their Flying Machines. Disney/Pixar's film, Planes, has inspired a line of remote control planes, such as Mattel's Dusty Crophopper.

Saturday, July 20, 2013

Master Math Skills with World Population Problems

Over the summer, students often forget some of their math skills. One way to keep up is to practice by solving the following problems.

     Which continent will add the most people in the next 88 years?______________

     Which continent will have the biggest population decline in the next 88 years?___________

     The world's 10.5 billion population projection in 2100 comes from the United Nations. The World Almanac provides the latest 2012 figure of 7 billion people in the world and includes the Caribbean in Latin America's population.

     By how much will the population increase or decrease between 2012 and 2100 on the following continents?

Asia

      4,710,000,000 (2100)
   -  4,220,000,000 (2012)

Africa

      4,180,000,000 (2100)
   -  1,070,000,000 (2012)

Europe

        740,000,000 (2012)
    -   639,000,000 (2100)

North America

        513,000,000 (2100)
    -   348,000,000 (2012)

South America

        596,000,000 (2012)
    -   467,000,000 (2100)

A challenging game requires players to arrange from highest to lowest populations a mixed up list of countries or major world cities, such as:

Countries                      2012 Populations

Argentina                        (53,511,274)
Bangladesh                     (250,155,274)
Netherlands                    (17,906,594)
Greenland                      (49,356)
Egypt                             (137,872522)

Cities                            2011 Populations

Rio de Janeiro, Brazil    (11,959,700)
Delhi, India                    (22,653,600)
Tokyo, Japan                 (37,217,400)
Beijing, China               (15,594,400)
Mexico City, Mexico    (20,445,800)






  



    





Saturday, July 13, 2013

It Takes a World to Raise a Child

When I saw umbrollers in London over 40 years ago, I couldn't wait to get back to the U.S. to tell my sister who just had a baby how easy they were to maneuver and collapse compared to traditional strollers. Since then, many U.S. parents also have adopted the baby slings and wraps that working mothers have worn when they were taking care of babies in Mexico, Peru, Ethiopia, Korea, China, Japan, and elsewhere. And what mother with a new baby wouldn't want to visit one of Japan's cat cafes? There, she and her baby could be among the customers, many who can't have pets at home, who come to talk to, play with, and chill out among cats while they drink tea. Hillary Clinton once wrote that it takes a village to raise a child; perhaps it takes a world.

     As an international marketing student at American University in Washington, D.C., I had a professor who told us one of the benefits multinational corporations enjoy is access to new products and ideas in one country that they can adapt for use in other countries. In these days, even without world travel, mothers have online access to global innovations.  To give just two examples, there is Internet information on international adoption and crowdfunding websites that finance or even find volunteers for their projects.

     On trendwatching.com, I was reminded of how women have expanded the yard sale concept to become sellers on eBay, Amazon, and other platforms. Kids in Nigeria, like they could in other countries, now play local versions of Monopoly. According to trendwatching.com, the "City of Lagos" version has local locations and, to reflect Nigeria's challenges, chance cards that say things like, "Pay a fine for attempting to bribe a law enforcement agent."

     In my earlier blog post, "Hope for the Future," you may have seen how the Grameen Bank and Kiva have helped women start businesses to support their families and finance their children's educations by providing micro-loans. When I read on trendwatching.com that the idea of selling meals through Thuisafgehaald in the Netherlands is spreading to the US, UK, Germany, and Sweden, I realized, with or without a micro loan, that mothers who are good cooks have an opportunity to specialize in selling nutritious home-cooked, peanut- and gluten-free, birthday party, and other types of meals.

     Mothers who do volunteer work for child-centered, not-for-profit organizations, like the March of Dimes, might be able to adopt a version of what trendwatching.com reports "The Exchange" is doing in South Africa. Consumers only are allowed to shop for its clothes and accessories donated by designers if they first sign up with an Organ Donor Foundation.

     T-shirts proclaim the slogan, "Changing More Than Diapers," on mothers who visit momsrising.org. Though mainly focused on the United States, the site promotes activities mothers around the world could adapt to work for fair wages, flexible workplace schedules, maternity and paternity leave, better childcare, and environmental health.

     The site, vitalvoices.org, already identifies women's issues, works toward solutions, fosters connections across international boundaries, and awards progress. On vitalvoices.org, viewers can see how women in Africa increase the continent's economic potential, how Latin American women strive for gender equality, and how female leaders in Eurasia are combating human trafficking. Malala Yousafzai, the young Pakistani woman who recovered from being shot in the head because she wants girls to attend school, currently is featured on the site.

     Making international connections that foster innovation in education is the aim of the WISE (World Innovation Summit for Education) Educational Leadership Program in Qatar. The leaders in education from the more than 100 countries who attend WISE summits discuss ideas about funding, curricula, assessment, and improving the quality of education, ideas that could suggest new directions worth considering by parents, guardians, and teachers around the world.



    

Saturday, July 6, 2013

The Bees and the Birds

The children catching and releasing fireflies this summer may know they are running after beetles rather than flies or gloworms, and they may be training to protect the world from disease-carrying insects or from dangerous insecticides. While some kids panic at the sight of bees, spiders, and cockroaches, others watch caterpillars walk up their arms and might become the inspectors who keep dangerous insects out of countries or observe, as Rachel Carson did, how deadly an insect repellent like DDT can be.

     Angela Banner, the UK author of the Ant and Bee little board book series, viewed insects as friends. Since the early 1960s, her books have taught children to read, count, and tell time; and to identify animals, colors, and shapes. In the book, Around the World With Ant and Bee, her insects are globe trotters.

     Of course, while some insects are friendly, others carry disease and cause crop damage around the world. As climate change and globalization spread tropical diseases that have become resistant to insecticides, British researchers now have developed genetically modified male mosquitoes that can kill the mosquito larvae of the unmodified females they mate with. To eliminate fungus-causing Dutch Elm disease, it has been necessary to cut down scores of elm trees infected by beetles. And history is filled with stories of the devastation caused by germ-carrying insects. In the Old Testament, the Book of Exodus tells of plagues of mosquitoes, gadflies, and locusts. When children hear about the Black death; the mosquitoes that spread malaria and yellow fever; typhus; the bubonic plague; the tsetse fly that carries sleeping sickness; and lyme disease from ticks, they may want to destroy every ant hill they see. It then may be time to watch The Ant Bully or ANTZ to gain insight into the life of an ant or A Bug's Life" in order to empathize with an ant colony's trouble with grasshoppers. The Beetle Book by Steve Jenkins does what it can to gain respect for beetles.

     Kids can learn to respect the bees, moths, and butterflies that pollinate fruit trees and vegetable and nut plants by carrying the pollen that fertilizes the cells that produce plant seeds. Hives of 25,000 bees were valued at $83,000, when they were stolen in France in 2014. Consequently, it has been a serious problem ever since honey bees suddenly began to suffer colony-collapse disorder in 2006. Time magazine (June 1, 2015) reports that beekeepers lost almost half of their colonies between April 2014 and April 2015.

     To find chemicals to replace the neonicotinoids that kill bees with alternative sprays that control crop damage from other insects has been a challenge. Since new research also suggests the glyphosate chemical in the Roundup herbicide that is an effective weed killer in corn and soy fields has the unfortunate side effect of killing the milkweed monarch butterflies feed on during their migrations to and from Mexico every year, the search for new ways to differentiate between the control of certain insects and weeds and the protection of other endangered insects goes on.

     With as much as almost a quarter of U.S. crops dependent on bee pollination, new hives have appeared in various locations, such as just off a path in the Obrich botanical garden in Madison, Wisconsin, and in the 84-acre campus arboretum at American University in Washington, D.C. In May, 2015 Washington issued a National Strategy to Promote the Health of Honey Bees and Other Pollinators that aims to restore seven million acres of the native flowers that nourish bees

      Normally, hives of honeybees that are native to Europe are rented to farmers when, for example, their apple and cherry crops are in full flower. To foster experimentation with different approaches, the U.S. Department of Agriculture has given a five-year research grant to the Integrated Crop Pollination Project that coordinates the work of government agencies, not-for-profit associations, and private firms. At Loyola University in Chicago, Illinois, Dr. Kelly Garbach lists a number of projects being tried. As disease reduces the European honeybee population, native U.S. bee species might be able to pollinate certain crops, either on their own or in combination with traditional honeybees. A Time magazine article, "The Plight of the Honeybee" (August 19, 2013), told how researchers are trying to produce "a more resilient honeybee" by cross-breeding species. One of the reasons native bees have been overlooked is because they are very small, only half the size of European honeybees. Another reason for bee research is changing climate conditions. If bees could live full time in one location, it would be less costly and more advantageous than trying to figure the best time for beekeepers to provide them. Dr. Garbach plans to identify innovators who can mentor others who want to adopt successful new pollination practices.

       In addition to bees, other insects also perform good works. Insects feed birds, and, of course, for thousands of years, silk cloth has been made from the threads that caterpillars use to make their cocoons. Some insects and birds also kill harmful bugs that feed on crops and live stock. Nonetheless, flies, fleas, ticks, lice, and mites can bother and infect animals. Beetles eat fruit trees and potatoes, and in their form as grubs, beetles eat the roots of corn, pasture grass, and strawberries. Children even may have seen clothes that have been damaged by moths and carpet beetles that eat wool.

    Youngsters interested in discovering which insects are helpful and which are harmful can grow up to be the entomologists that control insect pests. Edward O. Wilson, a global expert on ants, has written the book, Letters to a Young Scientist, that will interest and inspire future entomologists. On National Public Radio, Wilson said that he had a childhood love of "creepy-crawly things" and a passion and persistence to be a scientist who studied them. All children who have seen how fast ants appear on picnic tables can make sure they don't attract flies and other disease-carrying insects by leaving food uncovered in the house. Outside, they can make sure to throw food away only in closed garbage bins.

      Farmers know vast fields planted with the same crop attract swarms of the insects that like to feed on that crop. During the early 20th century, boll weevils destroyed millions of dollars worth of the U.S. cotton crop. In their own gardens, youngsters can learn the benefit of cutting down on the attraction of insects by planting a variety of vegetables and flowers. They also might look for, or hope in the future to help develop, plants engineered to be pest-resistant. (For other innovative ideas related to crops, go to the earlier blog posts, "Back to the Land" and "A Healthy Environment.")

     Artists Hubert Duprat and Kathy Kyle know just how good some insects can be. They give little moth-like caddisfly larvae, that protect themselves by constructing armor by "gluing" together gravel, sand, twigs, and other debris, gold flakes, opal, turquoise, rubies, and pearls to make beads that can be strung together into one-of-a-kind necklaces, earrings, key chains, and zipper pulls.

     As a bit more practical matter, children can be on the lookout for standing water that should be drained to keep mosquitoes from breeding. Although only a handful of the world's 80,000 species of mosquitoes bite and transmit diseases, such as malaria, dengue (black bone fever), and chikungunya, these diseases are life threatening. When kids recognize the importance of protecting themselves from mosquito bites by using insect repellent when they go outside and by installing screens to keep mosquitoes out of their homes, they can start thinking about raising money to protect African children with mosquito nets. On the Internet, the key words, "mosquito nets" lead to a number of organizations that need funds to do this job. UNICEF, for example, has an "Inspired Gift" program to provide the world's poorest children with mosquito nets. Kids and adults can find details about this program at my earlier blog post, "Hope for the Future."