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    It doesn't matter when and how much a person sleeps, but everyone needs some rest to stay alive. That's what all doctors thought, until they heard about Herpin. Herpin, it was said, never slept. Could this be true? The doctors decided to see this strange man themselves.

    Herpin was 90 years old when the doctors came to his home in New Jersey. They thought for sure that he got some sleep of some kind. So they stayed with him and watched every movement he made. But they were surprised. Though they watched him hour after hour and day after day, they never saw him sleeping. In fact, he did not even own a bed. He never needed one.

    The only rest that Herpin sometimes got was sitting in a comfortable chair and reading newspapers. The doctors were puzzled by this strange continuous sleeplessness. They asked him many questions, hoping to find an answer. They found only one answer that might explain his condition. Herpin remembered some talk about his mother having been injured several days before he was born. But that was all. Was this the real reason? No one could be sure. Herpin died at the age of 94.

    They say there are three ways to experience the Grand Canyon; on foot, on mules(骡子) or by air. We chose the first. Up early, my husband and I and our three children couldn't wait to get started. We decided to walk along a lovely path named Bright Angel Trail.

    As we set out, I was shocked at how narrow the path was. And I couldn't help noticing that the other tourists weren't like us. They had heavy backpacks, water bottles, and hats. But as usual we were dressed. As the sun rose higher, Arizona's famous heat seemed to roast us. There was no shade and our legs were aching. We decided to go back, with the girl on my back and the boys far behind. By the time we finally got back, our legs were like jelly.

    The next day, after we'd had a long rest and a good breakfast, we were ready for another view of the Canyon—by air. After our last walk, this would be the easiest thing in the world.

    We called to each other excitedly as the plane took off and circled around the Canyon. But the smiles on our faces disappeared as the pilot tossed(翻转) the plane around, pretending he was going to hit the ground. I shouted, "STOP, TAKE US BACK!" When we finally arrived back on land, once again our legs were like jelly. We hardly spoke as we drove back.

    As I said, there are three ways to view the Grand Canyon. We never tried the mules, but personally I'd suggest a fourth: buy yourself a good magazine like National Geographic. That way, you can see the Canyon, without fear or tiredness.

    Have you ever dreamed of meeting top scientists in person? If so, what would you want to ask them?

    For Tan Fanglin, a 15-year-old girl from No. 2 High School of East China Normal University in Shanghai, her dream of meeting top scientists has already come true. In October 2019, she attended the World Laureates Forum for a second time, which had attracted 44 Nobel Prize Winners and 21 other world-class award winners. Tan was by far the youngest participant among the scientists invited to be at the meeting of the world's sharpest minds.

    Her discovery about the relationship between the Fibonacci sequence (斐波那契数列) and Bézout numbers (贝祖数) has won her many prizes in youth innovation competitions both in Shanghai and elsewhere in China. Her finding has been praised by the famous Canadian mathematician, Professor Rankin, who has been studying the same theme for five years but with no conclusions.

    From a very young age, Tan has always been fascinated by mathematics. This is largely because her father, who teaches mathematics in East China Normal University, has a profound impact on her. According to Xu Jun, the head teacher, Tan doesn't take after-school classes or too many extra exercises either. Her mastering of Advanced Mathematics and her good grades in school are thanks to the right study method. Her mother told Guangming Daily that Tan always treats studying and life with a positive state of mind so she can feel happy while studying.

    Attending this forum enabled Tan to get more inspiration from top scientists. She even got the opportunity to talk with Gero Miesenbock, the 2019 Warren Alpert Foundation Prize winner. She asked Professor Miesenbock what he considered were the best personal qualities for conducting scientific research. Miesenbock encouraged her not to lose her passion and love for what she does. He said that accepting failures is crucial for researchers. He stressed that people all knew that even Thomas Edison went through hundreds of unsuccessful attempts before finally inventing the light bulb. The words made Tan feel inspired and she promised to keep her curiosity and interests in mathematics and overcome any obstacles in her research.

    When the novelist Luis Alberto Urrea was 14 or 15, he took a trip deep into Mexico. He was born in Tijuana to a Mexican father and a white American mother before moving just across the border and eventually into the San Diego suburbs. But his father thought he was becoming "too American," and took him on a 27-hour journey to Mazatian. Along the way, his father gave him a paperback copy of The Godfather and told him it would change his life. "I don't think he was trying to make a case for us being criminals," Urrea says, "but he really felt this incredible connection to the family and the traditions and the honor for the old country, as people were making their way in the U.S."

    In his new novel The House of Broken Angels, Urrea has written his own opinion on the Godfather story with a Mexican-American Don Corleone figure at its center. The story takes place over two days, as Big Angel de la Cruz buries his mother and celebrates his final birthday party on earth; he knows he's dying, and he's gathered his extended family around him for a noisy and lively goodbye.

    The idea was inspired by the final birthday party of Urrea's elder brother three years ago. "Everybody was jammed in his backyard, and there was a DJ and people dancing and consuming a serious amount of American junk food-they didn't want Mexican food, they wanted KFC and pizza. I thought, where are the tacos (a kind of Mexican tood), guy? And my brother sat in his little chair in the middle of it. People were coming to him and kneeling, and they would thank him and kiss his hand or touch his head and tell him all the ways he had changed their lives."

    Urrea's brother died of cancer within two weeks at 74, and the heartbreaking event haunted the author. He considered writing a memoir (回忆录) about it-"I was thinking about Truman Capote, when he did those tiny books about Christmas and Thanksgiving." But his wife encouraged him to aim bigger. When he found himself seated next to the writer Jim Harrison at a dinner event, he shared the story, and Harrison said, "Sometimes God hands you a novel. You have to write it." Urrea thought to himself "Marching orders from Jim Harrison-this is good stuff. A kid from Tijuana doesn't get that very often."

    The House of Broken Angels is a celebration of the Mexican-American family, but it also includes moments of frustration with this country's treatment of the immigrant group. Before he got too sick to work, Big Angel worked in an office and drank coffee from a cup that read BOSS. "Yeah, the employees all got the message," Urrea writes. "The Mexican-American was calling himself their boss." In a grocery store, a woman screams at two of his family members that they'll be kicked out of the country soon. "I had to bite down on the bitterness of my rage (愤怒),man!" Urrea says. "I was having some pretty serious response to Donald Trump's confusing and empty talk. But you know, it may have shocked a lot of the United States to hear this kind of empty talk and this bald-faced racialism of politics all of a sudden, but to us, this stuff isn't a surprise?"

    "I really wanted to write a tribute (致敬) to my brother, to my family and to us, but it's also a love song to the country,"Urrea says. "I think people have this weird, horrible view...that immigrants are evil snakes. People don't understand that immigration is truly a statement of love for this country, whatever the country represents. People want to be here and work." And with persistence, they become the boss.

    Hello, boys and girls. I'm Miss Baker. I will introduce a great summer course to you. It's for the students who are interested in computer games. But you won't be playing computer games. You will learn how to design them.

    You will get the opportunity to learn from two famous computer game designers. They are Sam Gates and Daniel Stone from the company Starry Games. You will learn how to use different computer programs and create computer games by yourself.

    As for the length of the course, this year the course is from August 14 to August 20. Students who are taking the course will stay at a hotel that has computers, a dining hall, and a swimming pool. You only need to pay 260 dollars! But there are only 20 places available. So, if you want to join us, please hurry. You can reserve your spot at www.starrygames.com!

    When you come for the course, please remember to bring your ID card and a photo of yourself. Welcome to our course. I hope to see you then!

The World's Largest Libraries

British Library (United Kingdom ， London)

The British Library was created by Act of Parliament in 1972；previously, the library had been part of the British Museum, where the famous circular reading room had accommodated researchers including Karl Marx, who worked on 'Das Kapital' there, as well as Oscar Wide and Mahatma Gandhi. The British Library is now housed in a new building in St. Pancras, London, where its treasures include two Gutenberg bibles, the Lindisfarne Gospels and one of Leonardo da Vmci' s notebooks.

Library of Congress(United States, Washington, D. C. )

Founded in 1800 with the private collection of Thomas Jefferson, the Library of Congress is in effect the USA's National Library. It receives two copies of everything published in the United States. The Library of Congress wag burned by the British Army in 1812, and severely damaged by fire again in 1851. The collection includes many rare books, drawings and two Stradivarius violins.

New York Public Library

The New York Public Library developed gradually in the nineteenth century from the merger and acquisition (收购兼并) of a number of public and private collections；it has many branches in different districts of New York City. It remains a structure which combines public and private finance and governance. Treasures held at the library include a Gutenberg Bible.

Russian State Library (Moscow)

Founded in 1862 as the Moscow public library and museum, this collection became the State Library in 1925. In consequence it receives copies of all Russian publications, and also holds large collections of maps, journals, music scores and recordings. Its possessions include the Archangel Gospel, a codex in the Slavonic language dating from 1092.

Your 2019 Reading List, Provided by Bill Gates

Do you want to be a billionnaire? Most of us can't live like billionaire Microsoft co-founder Bill Gates, but we can read like him. Gates recommended four books in 2019—though some were published earlier.

Leonardo da Vinci, by Walter Isaacson (2018)

The bestselling biographer of Steve Jobs and Albert Einstein researched deeply into da Vinci's contributions beyond art, highlighting the breadth of his scientific, technological, and creative output. "Leonardo nearly understood almost all of what was known on the planet at the time. That's mostly because of his curiosity about every area of natural science and the human experience," said Gates.
The Best We Could Do: An Illustrated Memoir, by Thi Bui (2018)

Gates calls this graphic novel "really impressive". Bui is the daughter of Vietnamese refugees who came to America after the fall of Saigon, and becoming a parent inspired her to look into her own parents' miserable history. "I was struck by how the experiences Bui describes manage to be both universal and specific to their circumstances," said Gates.

Lincoln in the Bardo, by George Saunders (2018)

Saunders, a long-time short story writer, won high praise for this novel. The book imagines the ghosts that haunt (萦绕) the basement of Willie Lincoln, Abraham Lincoln's son, who died at 11 in real life. "Willie's death after the Civil War made the president have a new understanding of the grief he's creating in other families by sending their sons off to die in battle," said Gates.

Origin Story: A Big History of Everything, by David Christian (2018)

This new book is by the creator of Big History, a free, online social studies course. It traces history in wide, sweeping movements, starting with the Big Bang, and it provides, in effect, a short course in modern science. This is a brief history of the universe. "David gets a little stuck on the current economic and political problems in the West, and I wish he talked more about the role technology will play in preventing the worst effects of climate change," said Gates.

The old Chinese saying "as happy as spending the New Year" might be outdated now in the busy modern world. The Spring Festival is regarded as the most important festival for Chinese people and an occasion for all family members to get together, like Christmas in the West. But many traditional customs accompanying the Spring Festival, however, have weakened in practice.

Setting off fireworks was once the most typical custom of the Spring Festival. People thought the sputtering(爆裂) sound could help drive away evil spirits. However, the activity has been completely or partially forbidden in big cities for years as the government has taken security, noise and pollution factors into consideration.

"In recent years, some cities have begun to allow people to light fireworks during limited hours at the Spring Festival, surrendering to(屈从于) public demand. Respecting folk traditions is a gesture of respect toward public opinion," said Zhou Xing, a folklore researcher.

"As people gain more income and it becomes easier to buy daily goods, the New Year holiday is just like any other. After long workdays, many people use the New Year holiday to take a rest, rather than visiting friends and neighbors. The process of making and enjoying the family dinner on Spring Festival Eve is the most important thing. However, many families would like to eat out to save time and energy," said Li Shunzhi, a resident of Harbin, Heilongjiang.

"I enjoy the holidays very much in the countryside. My family has been preparing for the Spring Festival more than two weeks before the holiday, cleaning the house, buying holiday goods and decorating the house with paper cuttings. On New Year's Eve, the whole family stays up to see the New Year in, and in the days to follow, a series of activities such as lion dancing, dragon lantern dancing, lantern festivals and temple fairs will be held. Without the ancient traditions, the holiday is nothing to us," said Zhang Hui, from Hebei.

At every turn in the Netherlands, the future of sustainable(可持续的) agriculture is taking shape—not in the meeting rooms of big companies but on thousands of modest family farms.

You can see it vividly on the farm run by Ted Duijvestijn and his brothers. At the Duijvestjns' 36-acre greenhouse near the old city of Delf, visitors wander among the deep green tomato plants, 20 feet tall. Rooted not in soil but in materials made from leaves and stalks, the plants are heavy with tomatoes—15 varieties in all—to suit the taste of the most demanding customers.

Since 2004, the Duijvestijns have declared resource independence on every front. The farm produces all of its own energy and fertilizer and even some of the packaging materials necessary for the crop's distribution and sale. The growing environment is kept at perfect temperatures year-round by geothermal heat(地热) that can be found under at least half of the Netherlands. Only rainwater is used for irrigation. Each kilogram of tomatoes from their plants requires less than 15 kilograms of water, compared with 61 kilograms for plants in open fields. Once each year the entire crop is regrown from seeds, and the old plants are processed to make packaging materials. The few pests that manage to enter the greenhouse are greeted by an army of fierce insects that shows no interest in tomatoes. The nutrition in the soil can be improved by growing plants that work with certain bacteria to produce their own fertilizer. In short. it's an entirely self-contained food system.

"Look at the island of Bali in Indonesia!" Ted explains. "For at least a thousand years, its farmers have raised ducks and fish within the same rice field. It's irrigated by the canal systems sculpted by human hands along mountains. They are our model."

In the coming months, we are bringing together artists from all over the globe, to enjoy speaking Shakespeare's plays in their own language, in our Globe, within the architecture Shakespeare wrote for. Please come and join us.

National Theatre of China Beijing | Chinese

This great occasion(盛会)will be the National Theatre of China's first visit to the UK. The company's productions show the new face of 21st century Chinese theatre. This production of Shakespeare's Richard Ⅲ will be directed by the National's Associate Director, Wang Xiaoying.

Date & Time: Saturday 28 April, 2.30pm & Sunday 29 April, 1.30pm & 6.30pm

Marjanishvili Theatre Tbilisi | Georgian

One of the most famous theatres in Georgia, the Marjanishvili, founded in 1928, appears regularly at theatre festivals all over the world. This new production of As You Like It is helmed(指导) by the company's Artistic Director Levan Tsuladze.

Date & Time: Friday 18 May, 2.30pm & Saturday 19 May, 7.30pm

Deafinitely Theatre London | British Sign Language(BSL)

By translating the rich and humourous text of Love's Labour's Lost into the physical language of BSL, Deafinitely Theatre creates a new interpretation of Shakespeare's comedy and aims to build a bridge between deaf and hearing worlds by performing to both groups as one audience.

Date & Time: Tuesday 22 May, 2.30pm & Wednesday 23 May, 7.30pm

Habima National Theatre Tel Aviv | Hebrew

The Habima is the centre of Hebrew-language theatre worldwide. Founded in Moscow after the 1905 revolution, the company eventually settled in Tel Aviv in the late 1920s. Since 1958, they have been recognised as the national theatre of Israel. This production of Shakespeare's The Merchant of Venice marks their first visit to the UK.

Date & Time: Monday 28 May, 7.30pm & Tuesday 29 May, 7.30pm

There are many ways to deal with the plastic pollution. Tom Szaky's way may be one of the bravest. He has gone back to an old way-using reusable containers. The idea was used in the last century. It was introduced to the world by Coca-Cola in the early 1920s, when Coke was sold in expensive glass bottles that needed returning. They asked for two cents, about 40 percent of the full cost of the soft drink，and got about 98 percent of their bottles back, to be reused 40 or 50 times. Bottle deposit programs remain one of the most effective methods.

Ten months ago, Szaky started Loop, an online delivery service that uses strong reusable containers. The biggest part of his risk is that Loop pushes far beyond the common reusable bottles. From food packaging to washing powder packaging, the containers are in different sizes and made from different materials. One of his products is Haagen-Dazs ice cream that is packed inside a special box to keep the ice cream from melting.

17 years ago, Szaky founded TerraCycle, a small waste management company. He thought up a way to deal with plastics, cigarette wastes, and a long list of other wastes. Gradually, he became more interested in thinking of how to recycle different kinds of waste in the best way.

Loop is part of the reappearance of the reusable packaging as a best choice to plastic waste. The food and drink companies are more likely to use reusable bottles. A company said they have started the United States' first state-wide reusable beer system. More obviously, Szaky's idea of reusable packaging for products has attracted more and more companies to pay attention to the reusable packaging.

An architecture class at WSU will present their ideas for a small luxury hotel to upgrade Pullman's downtown during the Town and Gown Collaborative meeting which will be held from 7:30-9 a.m. on Oct.22 in the Schweitzer Engineering Laboratories Event Center. The Collaborative is a joint committee between the city of Pullman, Pullman Chamber of Commerce and WSU. Its purpose is to strengthen ties between the city and the university and to foster a strong relationship to create a special college town.

As part of the third-year class, seven student teams each designed a five-star luxury boutique hotel in Pullman located on the former Mimosa Cafe site on Main Street. Out of seven hotel designs produced, the class will put forward three of the most pioneering solutions to the city of Pullman during the Collaborative meeting.

WSU Architecture Professor Paul Hirzel said that the 5-star luxury hotel choice is absent in the Palouse and a rarity in Eastern Washington, giving his students a unique challenge. Features of their projects include 16-luxury rooms, a roof top swimming pool, loft suites with balconies overlooking the river, and a ground level cafe with sidewalk and riverside courtyards. The project explores a current trend in college towns of providing the five-star boutique hotel choice to the more typical franchise hotel choices.

The presentation to the city gives the students a valuable real-world opportunity to present their projects to potential stakeholders and to advocate for their designs to nonarchitects, Hirzel said. Goals for the project also included exposing his students to the realities of structure and material choice as well as a challenging site condition fronting on both a river(that floods) and a main street.

"When students can achieve beyond their expectations in creating a new vision for downtown Pullman, both the students and the Pullman downtown community will benefit." he said.

Prague is one of Europe's most magical cities with its postcard views. To experience the best of Prague, we've put together a walking guide to help you explore the city. Choosing this self-guided tour means that you can do it at your own pace.

Vrtba Garden

One of Prague's most beautiful and precious gardens. The garden dates back to 1720 with its old school Italian baroque style. This is one of Prague's lesser known attractions so you may not find many tourists around, but it's well worth the visit and a great way to start your walking tour of Prague.

Address: Kamelitsksá, 373/25, 118 00 Praha 1-Malá Strana, Czechia

Saint Nicholas Church

The most famous church in Prague is the Saint Nicholas Church. Three generations of great architects took around 100 years to build this magnificent church. The church remains active to this day, so why not go and have a close look at the church?

Address: Malostranské nám., 118 00 Praha I-Malá Strana, Czechia

Prague Castle

Situated on a hill on the left bank of river Vitava, the Prague Castle is roughly the size of seven football fields, which is the largest ancient castle in the world, so there's a lot to see. The Prague Castle has been rebuilt many times through the centuries, so it is an obvious mix of architectural styles.

Address: 119 08 Prague 1, Czechia

Lennon Wall

The wall is not just a memorial for John Lennon and his ideas for peace. It speaks highly of freedom of speech and is a form of non-violent rebellion of Czech youth who fought against authorities during 1980.

Address: Velkopřevorské náměstí, 100 00 Praha 1, Czechia

People from all over the world have different wedding traditions and marriage customs. The one thing that all wedding ceremonies commonly seem to have is the commitment (承诺)of love for all time during a public ceremony.

Everyone at a wedding hopes for great happiness between the wedding couple. Wedding traditions are usually a way of showing signs of the hope for great happiness. Some of these traditions are very interesting.

In Sweden, the traditional bride will wear three rings by the end of the wedding ceremony. The first is the engagement (订婚)ring that she entered the ceremony with. The second, the wedding ring, is added to the first. A final ring, however, is added as well. This ring is known as the “motherhood” ring. This is said to show that marriage is about more than just love. It is about building a family.

Wedding traditions in the Philippines include the Pandango, a dance which can last for hours. During the Pandango, guests pin (用大头针别住)money to the bride's dress to pay for their honeymoon.

A traditional Irish bride may wear a blue wedding dress－believing blue to be a lucky color. English Lavender (薰衣草)is often mixed with her wedding flowers. It is traditional for the bride to braid her hair (编头发)－as it is considered a good way to bring luck to the new couple.

There are many wedding traditions around the world which may differ from what they are used to, but if you are about to plan a wedding, you may find it interesting to include some of these traditions in your own wedding.

Each nation has many good people who help to take care of others. For example, some high school and college students in the United States often spend many hours as volunteers in hospitals, orphanages or homes for the aged. They read books to the people in these places, or they just visit them or listen to their problems. Other young volunteers go and work in the homes of people who are sick or disabled. They paint, clean up, or repair houses, do their shopping and mow their lawns(修整草坪).

For boys who no longer have fathers, there is an organization called Big Brothers. College students and other men take these boys to basketball games or on fishing trips and help them to get to know things that boys usually learn from their fathers.

Such city has a number of clubs where boys and girls can go to play games or learn. Some of these clubs show movies or organize short trips to the mountains the beaches, museums or other places. Most of these clubs use a lot of high school and college students as volunteers. They are young enough to remember the problems of younger boys and girls.

Volunteers believe that some of the happiest people in the world are those who help to bring happiness to others.

    Bees can be harmed by low levels of neonicotinoid(新烟碱类农药) pesticides, and now it seems birds can too. Migrating white-crowned sparrows have been found to lose weight after eating seeds treated with one of these chemicals, imidacloprid (吡虫啉〈一种杀虫剂〉), delaying their onward migration by several days.

    Such a delay could hamper their chances of successfully breeding. However, the main manufacturer of the pesticide disputes the findings.

    The latest twist in the debate over neonicotinoids is the result of work by Christy Morrissey at the University of Saskatchewan in Canada and her team.They caught migrating sparrows, tagged them with tiny radio transmitters and gave them feed containing imidacloprid or an alternative without the chemical. The birds given the pesticide lost up to 6 per cent of their body weight in the 6 hours before release, whereas the other birds hardly lost any. Scans also showed a decline in body fat among the first group.

    When released, the birds not fed imidacloprid continued their migration after half a day. Those given the pesticide took four days, on average, to do the same. Morrissey says she also has unpublished evidence that two other neonicotinoids have similar effects.

    Birds that arrive late at breeding grounds are less likely to raise the young successfully and may not breed at all, says Morrissey. "This has serious impacts on populations."

    The study shows sublethal(亚致死的) doses of neonicotinoids can have adverse effects on seed-eating birds as well as on beneficial insects such as bees, says Caspar Hallmann of Radboud University in the Netherlands. "Birds—especially small birds—are really dependent on having sufficient body fat during migration."

    The findings are disputed by Bayer, the main manufacturer of imidacloprid. Real-world neonicotinoid exposure levels are far below those that disrupt migratory behaviour, and the pesticides are safe when applied according to instructions, says a Bayer spokesperson.

    Morrissey says the birds were given realistic amounts. They could get the highest dose given in the study by eating just one-tenth of a treated maize seed, a fifth of a soya bean or three canola seeds, for instance. "It's tiny, tiny amounts，" she says.

    In North America, 57 of the 77 bird species associated with farmland are in decline, with neonicotinoids one possible factor. However, Morrissey says that banning these pesticides isn't the answer because farmers will just use alternatives that may turn out to be as bad. Instead, we need to find ways of farming that don't rely on any chemical fixes, she says.

My dad was a nice man who didn't talk very much. He used to work as a mechanic fixing army planes, but he was sent back after getting injured. Later, he opened a garage with his friend, who sold it behind his back. People took advantage of him, but he couldn't turn down a favor.

That's why I felt more than a little confused when a policeman called my office, asking me to pick him up at the station. The old man was found walking alone along the highway. When a police patrol car stopped him, he explained that he was traveling to Nebraska to claim his million dollars.

"What million dollars?" I asked Dad, who was sitting quietly in the passenger's seat as we drove home. Dad took out a wrinkled letter and read, "We are now authorized to pay one million dollars to Woodrow T. Grant of Billing, Montana. "

I never knew dad wanted to be a millionaire. I asked him what he would do with the prize money, to which he replied that he wanted a new truck. His driver's license has expired (失效) fifteen years ago when he reached his seventies.

I knew that the letter was a scam (骗局), but the old man was as stubborn as a mule. He even slept with that stupid letter in his hand. He memorized it word for word. I didn't think he could memorize anything anymore. He wouldn't stay at home either, but ventured out onto the highway again and again, until the police sent him back. In the end, I had to give up. I called in sick at work and the two of us set out in my car to claim his prize.

We traveled past several states. Dad remained silent, while I found it hard to control my temper. Finally, I decided to ask the question. "Why on earth do you need a million dollars for a stupid truck?" Dad replied, "The rest is for you. I wanted to leave you something." His words made me speechless.

The following day, we arrived at our destination. Dad's heart leaped with joy as I opened the car door for him. He marched toward the specific spot marked in the letter. However, when someone answered the door, he saw their puzzled expression. At that moment he knew that he was not a millionaire. He stood there in stunned silence as tears rolled down his cheeks.

On our way back, we stopped at a truck-dealer's. Dad cast his eyes towards his favorite truck, and then he looked at me. I realized the truth of his disappointment, so I decided to buy it for him. We drove his treasured vehicle back home with the wind in our face. Although I was tired, what I felt at that moment is something money cannot buy.

Food Parts You Should Never Throw Away in the Garbage

Pineapple Core

When you carve out the core of a pineapple, don't throw it in the garbage. You can use the pineapple core for all kinds of recipes, and there are tons of vitamins and minerals hiding within. To use the pineapple core: chop it and add it to fruit salad, blend it into smoothies, cut it into cubes and freeze for later use, or simply add it to water or even tea to improve flavor.

Kiwi Skin

If you never thought you could eat kiwi in the way you eat a peach, think again. That skin really is good for you and contains a lot of vitamin C, and in fact, it's also higher in fiber than the rest of the fruit. Of course, that rough, ugly skin isn't for everyone, so if you don't like it, try adding a whole kiwi to a smoothie to hide the taste of the skin.

Banana Peel

Most of us eat the banana without giving the soft peel a second thought. Here's why that's a mistake：banana peel contains tryptophan (色氨酸), which increases "the happiness hormone" to help with mood regulation and nerve system. There are a few creative ways to use the peel. Cook or boil for at least 10 minutes to soften. You can add it to smoothies, stir-fries, or soups. And, for a treat, simply slice and bake a banana with the skin on.

Watermelon Skin and Seed

The delicious, red inside makes for a refreshing snack or juice, but you're able to get some powerful nutrients in the skin and seeds as well. Cut out the white part under the green outside and use it in your cooking. It has vitamin C and B6, to keep you healthy. As for the seeds, you can roast them in the oven. Then add them to salads or to nut snacks.

"Have you checked the oil in the car?" my father used to say to me, his version of "Hello, hope you are well." Sometimes our phone calls would begin with an inquiry about the oil and end with an inquiry about the oil, with not a lot in between.

Fathers have a lot of love to give, but it's often supplied through the medium of practical advice. The affectionate phrase "You made my life better from the moment you were born" may be rarely heard, but there is the more common "I'll hold the ladder while you get the leaves off the roof."

Why can't we fathers just say "I love you" or "It's great to see you" ? The point is: That's exactly what we are saying. You just have to translate from the language that is Fatherlish. Listen closely enough and the phrase "I love you" can be heard in the lengthier "I could come around Saturday and replace the silicon seal around the base of your toilet because I reckon that thing is getting really smelly."

When I was 17, I went on my first road trip. My father stood on the corner in the predawn of a cold morning to bid us farewell. "Highways are dangerous," he said, "so don't try overtaking anything faster than a horse and buggy. And take a break every two hours. And every time you stop for gas, you really should check the oil." At the time we thought his speech was funny and would chant "horse-and-buggy" every time I floored the accelerator.

Dad's long gone now. But after all these years, I realize that had I owned a copy of the Fatherlish-to-English dictionary, I'd have understood that the speech my friend and I so casually mocked was simply Dad's attempt at affection.

Not even the sea is safe from the glare(强光) of humans' light at night, Researchers published the first global maps of ocean light pollution. It shows large parts of the sea lit up at night. And that risks confusing or disrupting the behaviors of sea life.

Tim Smyth led a team to research where in the water this glow is strongest. Smyth and his colleagues started with a world map of man-made night-sky brightness that had been created in 2016. Then they added data on the ocean and atmosphere. Some data came from shipboard measurements of man-made light in the water. Others came from satellite images that judge how clear the water is. Particles(微粒) in the water, such as tiny floating plants and animals, can affect how far downward light travels. These factors vary from place to place and may change with the seasons. The team also used computers to copy how different wavelengths of light move through water.

Next, they wanted to know how that underwater light might affect animals. Not all species will be easily affected. The team focused on copepods(桡足亚纲甲壳动物) . These common creatures are a key part of many ocean food webs. They use light as a signal to move all together to the dark deep, seeking safety from other surface creatures. Normally they use the sun or the winter moon as their signal. Too much man-made light can mess up their usual patterns.

Light pollution is strongest in about three feet of the water. Here, man-made light can be strong enough to confuse the copepods. Nearly 2 million square kilometers of ocean get such strong night light. That's an area about the size of Mexico. Farther down, the light gets weaker. But even 65 feet deep, it's still bright enough to bother copepods across 840,000 square kilometers of ocean.

The team described its findings December 13 in Elementa: Science of the Anthropocene.