Mark and his brother Jason both were looking at the shining new computer enviously. Jason was determined not to go against their father's wishes but Mark was more adventurous than his brother. He loves experimenting and his aim was to become a scientist like his father.

     “Dad will be really mad if he finds out you've been playing with his new computer” Jason said, “He told us not  to touch it.”

     “He won't find out,” Mark said, “I'll just have a quick look and shut it down.”

    Mark had been scolded before for touching his father's equipment. But his curiosity was difficult to control and this new computer really puzzled him.

It was a strange-looking machine — one his dad had brought home from the laboratory where he worked. “It's an experimental model,” his father had explained, so don't touch it under any circumstances.” But his father's warning only served to make Mark more curious. Without any further thought, Mark turned on the power switch. The computer burst into life and seconds later, the screen turned into colours, shifting and changing, and then two big white words appeared in the centre of the screen: “SPACE TRANSPORTER.”

     “Yes!” Mark cried excitedly, “It's a computer game. I knew it! Dad's only been pretending to work. He's really been playing games instead!” A new message appeared on the screen:

“ENTER NAMES

VOYAGE 1

VOYAGE 2

    Mark's finger flew across the keyboard as he typed in both of their names.

“INPUT ACCEPTED.

START TRANSPORT PROGRAM.

AUTO-RETRIEVE INITIATED( 自动回收程序已启动).”

    The screen turn even brighter and a noise suddenly rose in volume.

     “I think we'd better shut it off, Mark,” Jason yelled out in terror, reaching for the power switch. A beam(光束) of dazzling white light burst out of the computer screen, wrapping the boys in its glow(光芒)，until they themselves seemed to be glowing. Then it died down just as suddenly as it had burst into life. And the boys were no longer there. On the screen, the letters changed：

“TRANSPORT SUCCESSFUL．

DESTINATION:  MARS.

RETRIEVE DATE:  2025

    For generations, cereal（麦片） has been the base of the American breakfast, but it now seems to be losing some of its advantages. Sales of breakfast cereal in the US are not so popular.

    The consumer's desire for a healthier way to start the day is now at its highest ever. Shoppers are seeking out “high protein(蛋白质) and fiber content and natural ingredients,” an expert said in a report. “Consumers today believe cereal is overly processed and doesn't contain enough nutrients.” That means cereal is facing the competition from fresh fruit, yogurt, breakfast bars and drinks, and even all-day breakfast meals at McDonald's or other fast-food chains.

    Consumers are increasingly seeking products that match their personal definition of real food, and that can mean foods that are less processed. Another big challenge for the industry is the ever-changing pattern of breakfast eaters, with an emphasis increasingly being placed on satisfying time-squeezed lifestyles. This desire for convenience seems to be especially increasingly being placed on satisfying time-squeezed lifestyles. This desire for convenience seems to be especially evident among young people who believe that cereal is inconvenient because it involves cleaning a dish afterward.

    Then there's the issue of price. Brand-name cereal prices jumped after the financial crisis in 2008, owing largely to the higher prices of grains and other ingredients. It's only in the last two years that prices have stabilized（稳定）.

    However, manufacturers and industry analysts say that if breakfast cereal makers can keep on adapting to consumers' changing needs, especially among young people, the business can grow again; besides, young people are still eating a lot of cereal, just not always for breakfast. Ready-to-eat cereal is in 90 percent of all households and nearly 94 percent of young households. For this group, cereal is more than just a breakfast item. It is also a popular snack option.

    Until recently, scientists had mapped only about 20 percent of the sea floor. But our knowledge of the deep seas is changing because of information from satellites. Scientists have produced a new map that provides a detailed picture of the oceans. The map is expected to help oceanographers (海洋学家), industry and governments.

    The new map is twice as detailed as the map made 20 years ago. David Sandwell is a geophysics professor at the University of California. He and other scientists worked on the mapping project. He says they turned to space to look deeper into the ocean.

    The scientists collected and studied information from two satellites. Some of the data came from the European Space Agency's Cryo-2 satellite. It was placed in Earth's orbit to watch sea ice. The other satellite is the American space agency's Jason-1. It is studying the surface of the oceans. Scientists combined the satellite data with images gathered by sonar (声波定位仪) equipment on ships. Sonar works by sending sound waves through the water. When the sound waves hit an object, its presence is confirmed.

    The new map shows the sea floor as it has never been seen before. It shows thousands of underwater mountains and places where continents pulled apart. It shows where earthquakes were active many years ago. They all are buried deep underneath the ocean floor.

    David Sandwell says the map is a powerful tool for fisheries, those interested in protecting the environment and for oil exploration.

    “The petrol exploration industry is interested in how to reconnect the continents, bring them back together tectonically so you can map the basins （盆地）on one continental edge—say, Africa—and use that to establish where the similar basin would be on the other continental edge in South America.”

    If scientists know that information, they may be able to find oil fields. The new data also will help scientists improve their estimates of ocean depths. This information can help ships travel safely and improve military operations and scientific projects worldwide.

    Mr. Sandwell thinks scientists will make many more discoveries as they examine the new map and the information it provides.

    I had reached the age of twenty-eight. Still, I doubted the letter from my past would make it to me, all these years later. It was a simple creative writing assignment from when I was eighteen. The teacher collected our letters to our future selves in self-addressed envelopes with stamps and promised to mail them ten years later. Yet so much time had passed. Would he even remember?

    Thinking back on the letter, I vaguely recalled giving my future self some advice. When you're eighteen years old, twenty-eight seems like a grown-up age but I wasn't feeling as grown up as I believed my younger self had expected me to be.

    When the letter finally reached me, I opened it eagerly. It began," How much do you bet this letter will never get to you "It continued to greet me casually as if we were having an IM (instant messaging) chat. My eighteen-year-old self was so stressed! As a senior in high school, facing the SATS and college applications, I was apparently not quite happy and hoped I wouldn't worry so much in the future, and that I wouldn't forget to be present and enjoy my life!

    Contrary to my belief, my eighteen-year-old self did not have any demands of me, or expectations I might have failed to meet. Instead, she wrote," I'll stand by whatever you do. Even if you are not who I'm imagining now, I'll support you, because maybe who I' m imagining is someone else, and you are-well you're not someone else, you're me."

    I was blown away, and tears welled up in my eyes at this self-acceptance through time. I had put a lot of pressure on myself to be the best version of myself that I could be. However, I came to realize what I would have accomplished in ten years' time would pale in comparison to how I'd feel and who I'd be.

    When I heard the piano, I walked to Mrs. Windsor's house and waited outside as I always did. That meant she was working with another student, and I was not supposed to bother them by ringing the bell. I stood against the wall and daydreamed what I'd rather be doing. "Almost anything", I sighed dejectedly. I had been tutored enough to read, understand, and even write some musical compositions, but I just didn't have a gift for it. It didn't come to me naturally. I thought back to happier times when I was writing stories and acting them out with my friends, cutting up old clothes to make dresses that performers wear in plays, and building scenery out of old things we found. But Mrs. Windsor had offered to give me the lessons for free, so I felt my duty to try.

    The door opened and Wendy Barton came out. I walked in, sat down on the piano bench and began to sort through my sheet music.

    "Hello," I heard a voice behind me say softly. I turned around to see a little girl standing behind me, eating an apple. But before I could make any response, Mrs. Windsor walked into the room in her usual urgent manner and announced, "Jennifer, this is my niece, Pasha. Pasha, this is Jennifer. Pasha will be giving you your lesson today. I'm up to my ears in something else!" she then exited to the kitchen.

Pasha set her apple down on the side table and slid beside me on the piano bench.

    "What piece do you like best?" she asked.

    "What do you mean?" I asked. "They're all the same to me. I don't know.

    "You mean you don't have a favorite?"

    "No, not really."

    Pasha looked at me, rather puzzled, then opened my sheet music to the beginning page and asked me to play. I arranged my fingers on the keys and studied the notes on the page for a moment. Then I frowned and concentrated to make the notes on the page match the finger movements. I have to admit I was a rather mechanical pianist.

    After about a page or two, Pasha gently put her hand on top of mine as if to calm my fingers. There was a long pause. "What are you hearing in the music?" I looked at her rather strangely and admitted I didn't know what she meant.

    "Like a story. What story is being playing out within the music?"

    "I guess I've never thought about it before. I don't know."

    "Here, let me try and you listen," Pasha advised.

    She closed her eyes and took a deep breath, letting her fingers dance lightly over the keys. Then, she began to play. "See, it begins here beside some kind of river. Hear the water flowing beside you?"

    Her fingers rose and fell gently on the keys. "Now the princess appears and she's picking flowers from the water's edge." A carefree, happy piece of music filled the air in time to Pasha's dancing fingers. "Oh, but she slips!" The music changed. "And our princess is being carried off by the fast-flowing stream. Quickly, the princess's horse sees her plight (困境)," Pasha continued, "and races to the river's edge where he swims out to let her catch hold of him. They make it to the bank and she hugs her faithful horse and swears she will never again wear princess skirts that weigh her down." Pasha finished with a big smile and then looked at me.

"Aren't you the girl who tells the stories?" she asked.

    "I guess. I do tell a lot of stories."

    "Oh, yes! All the kids talk about them. I've heard about you. Well, all you have to do is learn to hear the stories in the music. That's all there is to it."

    "I've never thought it that way."

    "Let's try another one, shall we?" Pasha smiled and together we played that afternoon, finding the stories in the music and learning that sometimes it takes a friend to pull you out of the river onto dry land again.

    We are the CEOs. We are the head designers. We are the top engineers. We are the senior creators. We are the inventors. We are the only maker of our own happiness.

    However, we still have learned that people's views on happiness often change with many outside things. Some people smile happily beside their new cars and homes. Students feel excited when they get better grades. Babies laugh loudly when they get new toys. Maybe true happiness has been lost in these things.

    How could we have allowed ourselves to be cheated for so long? Something outside may give us happiness, but what directs us to real happiness is inner (内在的) spirit.

    Our spirit is so easily broken, yet it is the single strongest thing we own. Why do people with terrible diseases still smile? Why do those with a broken heart still find joy? The inner spirit is powerful, and it is the only thing on earth that can be broken into pieces but can perfectly mend itself with time. Think about those who suffer a lot but still feel happy. Their inner spirit is very strong.

    Our inner spirit will be the greatest gift that we give ourselves. It is our compass (指南针) to happiness, but we are the tour guides.