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When the clothing factory closed down in the late 2000s, she became a full-time recycler, picking up cans and bottles to make ends meet.

Marin's story is not unique. Millions around the world make a living from picking through waste and reselling it — a vital role that keeps waste manageable. In New York City, the administrative department collects only about 28 percent of the cans that could be recycled. Rubbish collectors, however, keep millions of additional recyclables out of landfills every year.

Yet collectors are ruled out by government policies. The United States Supreme Court in 1988 stated that household garbage is public property once it's on the street. That enables police to search rubbish for evidence, but that protection hasn't always been extended to recyclers. And in places like New York City, which is testing city-owned locked containers to hide garbage from rats, containers are made clearly inaccessible for collectors.

"There's value in the waste, and we feel that value should belong to the people, not the city or the corporations", says Ryan Castalia, director of a nonprofit recycling and community center in Brooklyn.

Recognized or not, waste pickers have long been treated with disrespect. Marin recalls an occasion when someone living next to a building where she was collecting cans threw water at her. "Because I recycle doesn't mean I am less of a person than anyone else," she says. It's a pity to see that the government doesn't stand by the garbage collector's side, either.

Fortunately, some governments are starting to realize that protecting the environment and humanity go hand in hand. Brazil classified waste picking as an official occupation in 2001. In 2009, Colombia's government granted the right to collect valuable garbage. The U.S. is slowly catching on too. After all, to the government, the garbage is garbage, but to the collectors, it's something they make a living on.

He was diagnosed with diabetic retinopathy (糖尿病视网膜病变). "I lost my sight and the job, but I don't care about that. All I care is about my wife and my daughter," he told CBS News. "How am I going to see my daughter grow?"

Echevarria at first worked on developing independent living skills like walking with a cane (手杖). But he wanted to learn more-like skills that would be useful for a job. That's when he found Lighthouse Works in Orlando, a company that creates jobs for the blind.

"Seven out of 10 Americans who are blind are not in the workforce," said Kyle Johnson, the president and CEO of Lighthouse Works. "And we knew that people who are blind are the most highly educated disability group on the planet. And so, very capable people, who want to work and contribute. So, we created Lighthouse Works to help them do that."

At Lighthouse Works, nearly half of the employees are blind. Echevarria works in the call center. In his work, Echevarria uses a system called JAWS to "hear" the computer. The system reads the computer screen to him in one ear a she listens to a customer call in his other ear. Now he has gotten good at it and can listen to JAWS on a dramatic speed. ""It gives me a purpose. It makes me feel better because I can provide for my family." he said.

His original worry was not being able to be there for his daughter. Now, he is her mentor (导师), because she's an employee at Lighthouse Works as well. He said, "Little kids come to their parents, and all of a sudden when they become teenagers, they go away. Now, we're going back again to those days that my daughter used to come to me all the time. And I still feel needed."

To help you choose the perfect education al books for your child, we've created this handpicked list of the best science books for kids. The titles featured here spark curiosity, encourage leaning, and are lots of fun, too.

About Time: A First Look at Time and Clocks

Author: Bruce Koscielniak; Price: US $8.55

Long ago people used the sun, the moon, and the water to tell time. Soon after we began using our knowledge about the natural world to build clocks and to create calendars made up of months and years. Centuries later, we have clocks and calendars all around us. This book tells the amazing story of how it all happened!

Animalium: Welcome to the Museum

Author: Katie Scott;Price: US $8.99

This book opens the doors of the natural history museum for your child all year round! It features 200 full-color specimens accompanied by lively, informative text and more. Discover the animal kingdom inglorious detail with unique illustrations that combine science and art.

Bang!: How We Came to Be

Author: Michael Rubino; Price: US $16.00

"Bang! And that was it, the beginning of everything." So begins this beautifully illustrated story of evolution. This book conveys not only the facts but also the excitement of the scientific explanation of our world, from the origin of the universe to the present reality of our planet.

Bedtime Math: The Truth Comes Out

Author: Laura Overdeck; Price: US $10.99

This book makes learning about math as fun as dessert after dinner! It combines math and cool facts for one fun and wild adventure. Now kids can discover the science behind all their favorite things: marshmallows, soda, ice cream, and more. With over 100 math problems on a variety of topics, kids will find math isn't just fun — it can be found everywhere!

Lake Titicaca a famous lake in South America, lies on the border between Bolivia and Peru. But the lives of the ancient people, who once lived around the lake and culture was thought to be highly developed, (be) still a secret. Recently, however, scientists (take) part in an exploration project at the lake have found a 1000-year-old temple beneath the water.

Divers from the study group have discovered a building that scientists think is the (remain) of a temple built by the people who once lived beside the lake. The project leaders hope to begin raising (value) materials from the site later this week bad weather forces a change in their plans.

"The scientists have not yet had the chance to study the materials completely," said the project (found), John Aubi. "But some have put forward the idea that the materials date this period because they are similar to found elsewhere.

So far, they (make) more than 200 dives into water 30 metres deep. During these dives, they have been recording the ancient temple on film. There will be a meeting, starting later this year to review the film.

Hearing these stories, I'm4 about the place — other destinations are described as "purer" natural experiences.

However, I soon5 that much has changed since the days of disturbing reports of6 among tons of rubbish. I find a7 mountain, with toilets at camps and along the paths. The environmental challenges are8 but the efforts made by the Tanzania National Park Authority seem to be9.

The best of a Kilimanjaro10, in my opinion, isn't reaching the top. Mountains are11 as spiritual places by many cultures. This12 is especially evident on Kilimanjaro as13 go through five ecosystems(生态系统) in the space of a few kilometers. At the base is a rainforest. It ends abruptly at 3, 000 meters,14 lands of low growing plants. Further up, the weather15 — low clouds envelope the mountainsides, which are covered with thick grass. I16 twelve shades of green from where I stand. Above 4, 000 meters is the highland17: gravel(砾石), stones and rocks.18 you climb into an arctic-like zone with19 snow and the glaciers that may soon disappear.

Does Kilimanjaro20 its reputation as a crowded mountain with lines of tourists ruining the atmosphere of peace? I found the opposite to be true.

Elementary school teachers expose their students to various forms of interactive reading. Interactive learning materials such as online games, virtual books with interactive skill-building exercises, videos provide additional involvement beyond the text.

Adults have the ability to learn online from a variety of interactive media. Newspaper and magazine websites are primary examples. Through online content, publishers encourage readers to go beyond the printed text or online articles. Readers can comment, provide feedback or attend online seminars.

The use of interactive learning materials is commonly associated with technology. In actuality, encouraging the physical interaction of readers with the text they read is not a new concept. The early form of interactive reading sought to engage children with manipulative (控制的) components to illustrate concepts and complex systems.

Readers become an integral part of their own absorption of information with the use of multimedia tools, online content and various interactions. Publishers encourage readers to get involved with the materials printed by providing an ever-expanding menu of options for further understanding and enjoyment. Websites, blogs, user-generated wikis, online games and e-books are just a few examples of what is available in terms of interactive learning` materials and options.

A. It is not hard to understand the concept of interactive reading.

B. School-age children are not the only ones to benefit from interactive reading.

C. Modern technology allows for a far deeper and broader use of interactive media.

D. In short, interactive reading encourages the reader to do more than simply read printed text.

E. In these examples, the action of the reader influences or enhances his or her experience of a text.

F. Pop-up books with movable elements and additional content appeared in Victorian-era learning materials.

G. Teachers use a variety of tools, methods and interactive lessons to increase retention of topics and further learning.

Brooks gained fame for several books. His latest book The Social Animal, however, is more ambitious and serious than his earlier books. It is an attempt to deal with a set of weighty topics. The book focuses on big questions: What has science revealed about human nature? What are the sources of character? And why are some people happy and successful while others aren't?

To answer these questions, Brooks surveys a wide range of disciplines (学科). Considering this, you might expect the book to be a dry recitation of facts. But Brooks has structured his book in an unorthodox (非常规的), and perhaps unfortunate, way. Instead of introducing scientific theories, he tells a story, within which he tries to make his points, perhaps in order to keep the reader's attention.So as Harold and Erica, the hero and heroine in his story, live through childhood, we hear about the science of child development and as they begin to date we hear about the theory of sexual attraction. Brooks carries this through to the death of one of his characters.

On the whole,Brooks' story is acceptable if uninspired. As one would expect, his writing is mostly clear and, to be fair, some chapters stand out above the rest. I enjoyed, for instance, the chapter in which Harold discovers how to think on his own. While Harold and Erica are certainly not strong or memorable characters, the more serious problems with The Social Animal lie elsewhere. These problems partly involve Brooks' attempt to translate his tale into science.

To construct a working still, use a sharp stick or rock to dig a hole four feet across and three feet deep. Try to make the hole in a damp area to increase the water catcher's productivity. Place your cup in the deepest part of the hole. Then lay the tube in place so that one end rests all the way in the cup and the rest of the line runs up — and out — the side of the hole.

Next, cover the hole with the plastic sheet, securing the edges of the plastic with dirt and weighting the sheet's center down with a rock. The plastic should now form a cone(圆锥体) with 45-degree-angled sides. The low point of the sheet must be centered directly over, and no more than three inches above, the cup.

The solar still works by creating a greenhouse under the plastic. Ground water evaporates (蒸发) and collects on the sheet until small drops of water form, run down the material and fall off into the cup. When the container is full, you can suck the refreshment out through the tube, and won't have to break down the still every time you need a drink.

Researchers tasked 42 adult volunteers with learning the Arabic letters from beginning: Some through writing it out on paper, some through typing it out on a keyboard, and some through watching and responding to video instructions. Those in the handwriting group not only learned the unfamiliar letters more quickly, but they were also better able to apply their new knowledge in other areas—by using the letters to make new words and to recognize words they hadn't seen before, for example.

The real question is: Are there other benefits to handwriting that have to do with reading and spelling and understanding?

While writing, typing, and visual learning were effective at teaching participants to recognize Arabic letters—learners made very few mistakes after six exercise sessions—on average, the writing group needed fewer sessions to get to a good standard.

Researchers then tested the groups to see how the learning could be generalized. In every follow-up test, using skills they hadn't been trained on, the writing group performed the best: naming letters, writing letters, spelling words, and reading words.

While 42 people isn't a huge sample size for a study of this type, the trends reported by the study indicate that pen and paper still have an important role to play in learning, even as digital formats (格式) have come to control our communications. And although adults were used in this particular experiment, the researchers say their findings should have relevance to children too. Several previous studies have also highlighted the advantages of copying as an aid to learning.

Today pupils in schools spend far less time than they used to on handwriting skills and practice, for obvious reasons—but based on what this study shows, it wouldn't be wise to put away the pens and pencils permanently. Because with writing, you're getting a stronger representation in your mind that lets you support other types of tasks that don't in any way involve handwriting.

"Go get them yourself" Miss Bee said, ignoring the shopping list held up before her nose. "I'm not your servant, so just get yourself a basket from that pile over there and start filing."

It took me three wall-to-wall searches before I found the first item on my list―a pork can be placed between boxes of cereal and bread. Next up was toilet paper, found under the daily newspaper, and Band-Ads, found next to the face cream. The store was a puzzle, but it held some surprises too. I found a new Superman comic behind the peanut butter.

I visited Miss Bee a couple of times a week that summer. Some times she short-charged me. Other times she overcharged or sold me an old newspaper instead of a current one. Going to the store was more like going into battle. I left my Grandma's house armed with my list—memorized to the letter—and marched into Miss Bee's like General Patton (巴顿将军) marching into North Africa.

All summer long she found ways to trip me up. No sooner had I learned how to pronounce bicarbonate of soda (小苏打) and memorized its location on the shelf than Miss Bee rearranged the shelves and made me hunt for it all over again. By summer's end, however, the shopping trip that had once taken me an hour was done in 15 minutes.

The morning I was to return to Brooklyn, I stopped into tell her that she was mean (刻薄的). To my amazement she laughed and said. "Well, I don't care! Each of us is put on this earth for a reason. I believe my job is to teach every child I meet ten life lessons to help them. Think what you will, but when you get older you'll be glad our paths crossed!"

I thought the idea was absurd until one day my daughter came to me with homework troubles.

"It's too hard," she said. "Could you finish my math problems for me?"

"If I do it for you, how will you ever learn to do it yourself?" I said.

Suddenly, I was back at that general store where I had learned the hard way totally up (结算) my bill along with the cashier. As my daughter went back to her homework, I wondered: Had Miss Bee really taught me something all those years ago? I took out some scrap paper and started writing.

Cyrus E. Dallin Art Museum

611 Massachusetts Ave., Arlington

781-641-0747

The name Cyrus E. Dallin (1861—1944) might not be familiar, but several of the sculptor's works are. His "Appeal to the Great Spirit", an example of the many sculptures Dallin made relating to Native Americans, stands in front of the Museum of Fine Arts. Born in Utah, he lived in Arlington (Texas) for the final four decades of his life.

Norman Rockwell Museum

9 Glendale Road, Stockbridge

413-298-4100, www.nrm.org

Rockwell (1894—1978) moved to Stockbridge in 1953. By then he was already America's best-known illustrator (插图画家). The museum, founded in 1969, moved into its present, Robert A.M. Stern-designed building in 1993. Its 998 paintings and drawings are the largest single collection of Rockwell's art.

Kids 6 and under FREE, adults $20, students with D: $10.

Edward Gorey House

8 Strawberry Lane, Yarmouth Port

508-362-3909

Edward Gorey (1925—2000) was an artist but, he was other things as well: author, playwright, set and costume designer. Gorey purchased this 18-century house in 1979 and lived there the rest of his life. The house currently serves as a museum celebrating Gorey's life and work. It's also known as the Elephant House. That's appropriate, in light of Gorey's passion for animal welfare.

Gilbert: Stuart Birthplace and Museum

815 Gibert Stuart Road, Saunderstown, R.I

401-294-3001

Gilbert Stuart (1755—1828) is responsible for what may well be the most familiar work of any American artist. His portrait (画像) of George Washington is the basis of the first president's image on the dollar bill. As one of the early Republic's most distinguished artists, Stuart painted more than a thousand portraits over the course of his career.