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2161-35
Health and the spread of disease are very closely linked to how we live and how our cities operate. The good news is that cities are incredibly resilient. Many cities have experienced epidemics in the past and have not only survived, but advanced. The nineteenth and early-twentieth centuries saw destructive outbreaks of cholera, typhoid, and influenza in European cities. Doctors such as Jon Snow, from England, and Rudolf Virchow, of Germany, saw the connection between poor living conditions, overcrowding, sanitation, and disease. A recognition of this connection led to the replanning and rebuilding of cities to stop the spread of epidemics. In the mid-nineteenth century, London's pioneering sewer system, which still serves it today, was built as a result of understanding the importance of clean water in stopping the spread of cholera.

2161-36
Starting from birth, babies are immediately attracted to faces. Scientists were able to show this by having babies look at two simple images, one that looks more like a face than the other. By measuring where the babies looked, scientists found that the babies looked at the face-like image more than they looked at the non-face image. Even though babies have poor eyesight, they prefer to look at faces. But why? One reason babies might like faces is because of something called evolution. Evolution involves changes to the structures of an organism(such as the brain) that occur over many generations. These changes help the organisms to survive, making them alert to enemies. By being able to recognize faces from afar or in the dark, humans were able to know someone was coming and protect themselves from possible danger.

2161-37
People spend much of their time interacting with media, but that does not mean that people have the critical skills to analyze and understand it. One well-known study from Stanford University in 2016 demonstrated that youth are easily fooled by misinformation, especially when it comes through social media channels. This weakness is not found only in youth, however. Research from New York University found that people over 65 shared seven times as much misinformation as their younger counterparts. All of this raises a question: What's the solution to the misinformation problem? Governments and tech platforms certainly have a role to play in blocking misinformation. However, every individual needs to take responsibility for combating this threat by becoming more information literate.

2161-38
Sound and light travel in waves. An analogy often given for sound is that of throwing a small stone onto the surface of a still pond. Waves radiate outwards from the point of impact, just as sound waves radiate from the sound source. This is due to a disturbance in the air around us. If you bang two sticks together, you will get a sound. As the sticks approach each other, the air immediately in front of them is compressed and energy builds up. When the point of impact occurs, this energy is released as sound waves. If you try the same experiment with two heavy stones, exactly the same thing occurs, but you get a different sound due to the density and surface of the stones, and as they have likely displaced more air, a louder sound. And so, a physical disturbance in the atmosphere around us will produce a sound.

2161-39
Food chain means the transfer of food energy from the source in plants through a series of organisms with the repeated process of eating and being eaten. In a grassland, grass is eaten by rabbits while rabbits in turn are eaten by foxes. This is an example of a simple food chain. This food chain implies the sequence in which food energy is transferred from producer to consumer or higher trophic level. It has been observed that at each level of transfer, a large proportion, 80-90 percent, of the potential energy is lost as heat. Hence the number of steps or links in a sequence is restricted, usually to four or five. The shorter the food chain or the nearer the organism is to the beginning of the chain, the greater the available energy intake is.

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2161-30
Detailed study over the past two or three decades is showing that the complex forms of natural systems are essential to their functioning. The attempt to straighten rivers and give them regular cross-sections is perhaps the most disastrous example of this form-and-function relationship. The natural river has a very irregular form: it curves a lot, spills across floodplains, and leaks into wetlands, giving it an ever-changing and incredibly complex shoreline. This allows the river to accommodate variations in water level and speed. Pushing the river into tidy geometry destroys functional capacity and results in disasters like the Mississippi floods of 1927 and 1993 and, more recently, the unnatural disaster of Hurricane Katrina. A $50 billion plan to "let the river loose" in Louisiana recognizes that the controlled Mississippi is washing away twenty-four square miles of that state annually.

2161-31
In a culture where there is a belief that you can have anything you truly want, there is no problem in choosing. Many cultures, however, do not maintain this belief. In fact, many people do not believe that life is about getting what you want. Life is about doing what you are supposed to do. The reason they have trouble making choices is they believe that what they may want is not related to what they are supposed to do. The weight of outside considerations is greater than their desires. When this is an issue in a group, we discuss what makes for good decisions. If a person can be unburdened from their cares and duties and, just for a moment, consider what appeals to them, they get the chance to sort out what is important to them. Then they can consider and negotiate with their external pressures.

2161-32
Research has confirmed that athletes are less likely to participate in unacceptable behavior than are non-athletes. However, moral reasoning and good sporting behavior seem to decline as athletes progress to higher competitive levels, in part because of the increased emphasis on winning. Thus winning can be a double-edged sword in teaching character development. Some athletes may want to win so much that they lie, cheat, and break team rules. They may develop undesirable character traits that can enhance their ability to win in the short term. However, when athletes resist the temptation to win in a dishonest way, they can develop positive character traits that last a lifetime. Character is a learned behavior, and a sense of fair play develops only if coaches plan to teach those lessons systematically.

2161-33
Due to technological innovations, music can now be experienced by more people, for more of the time than ever before. Mass availability has given individuals unheard-of control over their own sound-environment. However, it has also confronted them with the simultaneous availability of countless genres of music, in which they have to orient themselves. People start filtering out and organizing their digital libraries like they used to do with their physical music collections. However, there is the difference that the choice lies in their own hands. Without being restricted to the limited collection of music-distributors, nor being guided by the local radio program as a 'preselector' of the latest hits, the individual actively has to choose and determine his or her musical preferences. The search for the right song is thus associated with considerable effort.

2161-34
It is common to assume that creativity concerns primarily the relation between actor(creator) and artifact(creation). However, from a sociocultural standpoint, the creative act is never "complete" in the absence of a second position―that of an audience. While the actor or creator him/herself is the first audience of the artifact being produced, this kind of distantiation can only be achieved by internalizing the perspective of others on one's work. This means that, in order to be an audience to your own creation, a history of interaction with others is needed. We exist in a social world that constantly confronts us with the "view of the other." It is the view we include and blend into our own activity, including creative activity. This outside perspective is essential for creativity because it gives new meaning and value to the creative act and its product.

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2161-23
Curiosity makes us much more likely to view a tough problem as an interesting challenge to take on. A stressful meeting with our boss becomes an opportunity to learn. A nervous first date becomes an exciting night out with a new person. A colander becomes a hat. In general, curiosity motivates us to view stressful situations as challenges rather than threats, to talk about difficulties more openly, and to try new approaches to solving problems. In fact, curiosity is associated with a less defensive reaction to stress and, as a result, less aggression when we respond to irritation.

2161-24
When people think about the development of cities, rarely do they consider the critical role of vertical transportation. In fact, each day, more than 7 billion elevator journeys are taken in tall buildings all over the world. Efficient vertical transportation can expand our ability to build taller and taller skyscrapers. Antony Wood, a Professor of Architecture at the Illinois Institute of Technology, explains that advances in elevators over the past 20 years are probably the greatest advances we have seen in tall buildings. For example, elevators in the Jeddah Tower in Jeddah, Saudi Arabia, under construction, will reach a height record of 660m.

2161-25
The above graph shows health spending as a share of GDP for selected OECD countries in 2018. On average, OECD countries were estimated to have spent 8.8 percent of their GDP on health care. Among the given countries above, the US had the highest share, with 16.9 percent, followed by Switzerland at 12.2 percent. France spent more than 11 percent of its GDP, while Turkey spent less than 5 percent of its GDP on health care. Belgium's health spending as a share of GDP sat between that of France and the UK. There was a 2 percentage point difference in the share of GDP spent on health care between the UK and Greece.

2161-26
Lithops are plants that are often called 'living stones' on account of their unique rock-like appearance. They are native to the deserts of South Africa but commonly sold in garden centers and nurseries. Lithops grow well in compacted, sandy soil with little water and extreme hot temperatures. Lithops are small plants, rarely getting more than an inch above the soil surface and usually with only two leaves. The thick leaves resemble the cleft in an animal's foot or just a pair of grayish brown stones gathered together. The plants have no true stem and much of the plant is underground. Their appearance has the effect of conserving moisture.

2161-29
There have been occasions in which you have observed a smile and you could sense it was not genuine. The most obvious way of identifying a genuine smile from an insincere one is that a fake smile primarily only affects the lower half of the face, mainly with the mouth alone. The eyes don't really get involved. Take the opportunity to look in the mirror and manufacture a smile using the lower half your face only. When you do this, judge how happy your face really looks ― is it genuine? A genuine smile will impact on the muscles and wrinkles around the eyes and less noticeably, the skin between the eyebrow and upper eyelid is lowered slightly with true enjoyment. The genuine smile can impact on the entire face.

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2161-18
I am James Arkady, PR Director of KHJ Corporation. We are planning to redesign our brand identity and launch a new logo to celebrate our 10th anniversary. We request you to create a logo that best suits our company's core vision, 'To inspire humanity.'I hope the new logo will convey our brand message and capture the values of KHJ. Please send us your logo design proposal once you are done with it.

2161-19
One day, Cindy happened to sit next to a famous artist in a cafe, and she was thrilled to see him in person. He was drawing on a used napkin over coffee. She was looking on in awe. After a few moments, the man finished his coffee and was about to throw away the napkin as he left. Cindy stopped him. "Can I have that napkin you drew on?," she asked. "Sure," he replied. "Twenty thousand dollars."She said, with her eyes wide-open, "What? It took you like two minutes to draw that.""No," he said. "It took me over sixty years to draw this."Being at a loss, she stood still rooted to the ground.

2161-20
Sometimes, you feel the need to avoid something that will lead to success out of discomfort. Maybe you are avoiding extra work because you are tired. You are actively shutting out success because you want to avoid being uncomfortable. Therefore, overcoming your instinct to avoid uncomfortable things at first is essential. Try doing new things outside of your comfort zone. Change is always uncomfortable, but it is key to doing things differently in order to find that magical formula for success.

2161-21
We have a tendency to interpret events selectively. If we want things to be "this way" or "that way" we can most certainly select, stack, or arrange evidence in a way that supports such a viewpoint. Selective perception is based on what seems to us to stand out. However, what seems to us to be standing out may very well be related to our goals, interests, expectations, past experiences, or current demands of the situation - "with a hammer in hand, everything looks like a nail."This quote highlights the phenomenon of selective perception. If we want to use a hammer, then the world around us may begin to look as though it is full of nails!

2161-22
Rather than attempting to punish students with a low grade or mark in the hope it will encourage them to give greater effort in the future, teachers can better motivate students by considering their work as incomplete and then requiring additional effort. Teachers at Beachwood Middle School in Beachwood, Ohio, record students' grades as A, B, C, or I (Incomplete). Students who receive an I grade are required to do additional work in order to bring their performance up to an acceptable level. This policy is based on the belief that students perform at a failure level or submit failing work in large part because teachers accept it. The Beachwood teachers reason that if they no longer accept substandard work, students will not submit it. And with appropriate support, they believe students will continue to work until their performance is satisfactory.

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top100

카테고리 없음2023. 5. 15. 00:08
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232_s3;232_d2;232_i2;232_h2│top100│1-5│블루티쳐영어연구소│BTSTUDY.COM│01033383436

{ TOP 100 } 232_s3;232_d2;232_i2;232_h2 | 1:5 | 23년 05월 15일

37
 2332-29-2 
7.8

This liking stems from our ancient ancestors who needed to survive alongside saber‑toothed tigers and poisonous berries.




42
 23수특-904-5 
7.6

Pi Day in 2015 was particularly significant because the date corresponded to the first five digits of π, 3.1415.




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2261-34
Researchers are working on a project that asks coastal towns how they are preparing for rising sea levels. Some towns have risk assessments; some towns even have a plan. But it's a rare town that is actually carrying out a plan. One reason we've failed to act on climate change is the common belief that it is far away in time and space. For decades, climate change was a prediction about the future, so scientists talked about it in the future tense. This became a habit ― so that even today many scientists still use the future tense, even though we know that a climate crisis is ongoing. Scientists also often focus on regions most affected by the crisis, such as Bangladesh or the West Antarctic Ice Sheet, which for most Americans are physically remote.

2261-35
According to Marguerite La Caze, fashion contributes to our lives and provides a medium for us to develop and exhibit important social virtues. Fashion may be beautiful, innovative, and useful; we can display creativity and good taste in our fashion choices. And in dressing with taste and care, we represent both self-respect and a concern for the pleasure of others. There is no doubt that fashion can be a source of interest and pleasure which links us to each other. That is, fashion provides a sociable aspect along with opportunities to imagine oneself differently ― to try on different identities.

2261-36
Mrs Klein told her first graders to draw a picture of something to be thankful for. She thought that most of the class would draw turkeys or Thanksgiving tables. But Douglas drew something different. Douglas was a boy who usually spent time alone and stayed around her while his classmates went outside together during break time. What the boy drew was a hand. But whose hand? His image immediately attracted the other students' interest. So, everyone rushed to talk about whose hand it was. "It must be the hand of God that brings us food," said one student. "A farmer's," said a second student, "because they raise the turkeys." "It looks more like a police officer's," added another, "they protect us." The class was so responsive that Mrs Klein had almost forgotten about Douglas. After she had the others at work on another project, she asked Douglas whose hand it was. He answered softly, "It's yours. Thank you, Mrs Klein."

2261-37
According to legend, once a vampire bites a person, that person turns into a vampire who seeks the blood of others. A researcher came up with some simple math, which proves that these highly popular creatures can't exist. University of Central Florida physics professor Costas Efthimiou's work breaks down the myth. Suppose that on January 1st, 1600, the human population was just over five hundred million. If the first vampire came into existence that day and bit one person a month, there would have been two vampires by February 1st, 1600. A month later there would have been four, the next month eight, then sixteen, and so on. In just two-and-a-half years, the original human population would all have become vampires with no humans left. But look around you. Have vampires taken over the world? No, because there's no such thing.

2261-38
Friction is a force between two surfaces that are sliding, or trying to slide, across each other. For example, when you try to push a book along the floor, friction makes this difficult. Friction always works in the direction opposite to the direction in which the object is moving, or trying to move. So, friction always slows a moving object down. The amount of friction depends on the surface materials. The rougher the surface is, the more friction is produced. Friction also produces heat. For example, if you rub your hands together quickly, they will get warmer. Friction can be a useful force because it prevents our shoes slipping on the floor when we walk and stops car tires skidding on the road. When you walk, friction is caused between the tread on your shoes and the ground, acting to grip the ground and prevent sliding.

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2261-29
Despite all the high-tech devices that seem to deny the need for paper, paper use in the United States has nearly doubled recently. We now consume more paper than ever: 400 million tons globally and growing. Paper is not the only resource that we are using more of. Technological advances often come with the promise of using fewer materials. However, the reality is that they have historically caused more materials use, making us dependent on more natural resources. The world now consumes far more "stuff" than it ever has. We use twenty-seven times more industrial minerals, such as gold, copper, and rare metals, than we did just over a century ago. We also each individually use more resources. Much of that is due to our high-tech lifestyle.

2261-30
Do you sometimes feel like you don't love your life? Like, deep inside, something is missing? That's because we are living someone else's life. We allow other people to influence our choices. We are trying to meet their expectations. Social pressure is deceiving ― we are all impacted without noticing it. Before we realize we are losing ownership of our lives, we end up envying how other people live. Then, we can only see the greener grass ― ours is never good enough. To regain that passion for the life you want, you must recover control of your choices. No one but yourself can choose how you live. But, how? The first step to getting rid of expectations is to treat yourself kindly. You can't truly love other people if you don't love yourself first. When we accept who we are, there's no room for other's expectations.

2261-31
One of the big questions faced this past year was how to keep innovation rolling when people were working entirely virtually. But experts say that digital work didn't have a negative effect on innovation and creativity. Working within limits pushes us to solve problems. Overall, virtual meeting platforms put more constraints on communication and collaboration than face-to-face settings. For instance, with the press of a button, virtual meeting hosts can control the size of breakout groups and enforce time constraints; only one person can speak at a time; nonverbal signals, particularly those below the shoulders, are diminished; "seating arrangements" are assigned by the platform, not by individuals; and visual access to others may be limited by the size of each participant's screen. Such restrictions are likely to stretch participants beyond their usual ways of thinking, boosting creativity.

2261-32
The law of demand is that the demand for goods and services increases as prices fall, and the demand falls as prices increase. Giffen goods are special types of products for which the traditional law of demand does not apply. Instead of switching to cheaper replacements, consumers demand more of giffen goods when the price increases and less of them when the price decreases. Taking an example, rice in China is a giffen good because people tend to purchase less of it when the price falls. The reason for this is, when the price of rice falls, people have more money to spend on other types of products such as meat and dairy and, therefore, change their spending pattern. On the other hand, as rice prices increase, people consume more rice.

2261-33
In a study at Princeton University in 1992, research scientists looked at two different groups of mice. One group was made intellectually superior by modifying the gene for the glutamate receptor. Glutamate is a brain chemical that is necessary in learning. The other group was genetically manipulated to be intellectually inferior, also done by modifying the gene for the glutamate receptor. The smart mice were then raised in standard cages, while the inferior mice were raised in large cages with toys and exercise wheels and with lots of social interaction. At the end of the study, although the intellectually inferior mice were genetically handicapped, they were able to perform just as well as their genetic superiors. This was a real triumph for nurture over nature. Genes are turned on or off based on what is around you.

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2261-21
A psychology professor raised a glass of water while teaching stress management principles to her students, and asked them, "How heavy is this glass of water I'm holding?" Students shouted out various answers. The professor replied, "The absolute weight of this glass doesn't matter. It depends on how long I hold it. If I hold it for a minute, it's quite light. But, if I hold it for a day straight, it will cause severe pain in my arm, forcing me to drop the glass to the floor. In each case, the weight of the glass is the same, but the longer I hold it, the heavier it feels to me." As the class nodded their heads in agreement, she continued, "Your stresses in life are like this glass of water. If you still feel the weight of yesterday's stress, it's a strong sign that it's time to put the glass down."

2261-22
Your emotions deserve attention and give you important pieces of information. However, they can also sometimes be an unreliable, inaccurate source of information. You may feel a certain way, but that does not mean those feelings are reflections of the truth. You may feel sad and conclude that your friend is angry with you when her behavior simply reflects that she's having a bad day. You may feel depressed and decide that you did poorly in an interview when you did just fine. Your feelings can mislead you into thinking things that are not supported by facts.

2261-23
Every day, children explore and construct relationships among objects. Frequently, these relationships focus on how much or how many of something exists. Thus, children count ― "One cookie, two shoes, three candles on the birthday cake, four children in the sandbox." Children compare ― "Which has more? Which has fewer? Will there be enough?" Children calculate ― "How many will fit? Now, I have five. I need one more." In all of these instances, children are developing a notion of quantity. Children reveal and investigate mathematical concepts through their own activities or experiences, such as figuring out how many crackers to take at snack time or sorting shells into piles.

2261-24
Only a generation or two ago, mentioning the word algorithms would have drawn a blank from most people. Today, algorithms appear in every part of civilization. They are connected to everyday life. They're not just in your cell phone or your laptop but in your car, your house, your appliances, and your toys. Your bank is a huge web of algorithms, with humans turning the switches here and there. Algorithms schedule flights and then fly the airplanes. Algorithms run factories, trade goods, and keep records. If every algorithm suddenly stopped working, it would be the end of the world as we know it.

2261-26
Pianist, composer, and big band leader, Claude Bolling, was born on April 10, 1930, in Cannes, France, but spent most of his life in Paris. He began studying classical music as a youth. He was introduced to the world of jazz by a schoolmate. Later, Bolling became interested in the music of Fats Waller, one of the most excellent jazz musicians. Bolling became famous as a teenager by winning the Best Piano Player prize at an amateur contest in France. He was also a successful film music composer, writing the music for more than one hundred films. In 1975, he collaborated with flutist Rampal and published Suite for Flute and Jazz Piano Trio, which he became most well-known for. He died in 2020, leaving two sons, David and Alexandre.

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2262-4142
Common sense suggests that discussion with others who express different opinions should produce more moderate attitudes for everyone in the group. Surprisingly, this is not always the case. In group polarization, a period of discussion pushes group members to take more extreme positions in the direction that they were already inclined to prefer. Group polarization does not reverse the direction of attitudes, but rather accentuates the attitudes held at the beginning. Two pressures appear to push individuals to take more extreme positions following a group discussion. First, conformity and desire for affiliation contribute to group polarization. If the majority of a group is leaning in a particular direction, what could be a better way of fitting in than agreeing with that majority, and maybe even taking its argument one step farther? There is also a tendency for likeminded people to affiliate with one another, which can provide reinforcement for existing opinions, increase people's confidence in those opinions, lead to the discovery of new reasons for those opinions and counterarguments to opposing views, and reduce exposure to conflicting ideas. Second, exposure to discussion on a topic introduces new reasons for maintaining an attitude. If you are already opposed to gun control and you listen to additional arguments supporting your position, you might end up more opposed than you were originally.

2262-4345
A businessman boarded a flight. Arriving at his seat, he greeted his travel companions: a middle-aged woman sitting at the window, and a little boy sitting in the aisle seat. After putting his bag in the overhead bin, he took his place between them. After the flight took off, he began a conversation with the little boy. He appeared to be about the same age as his son and was busy with a coloring book. He asked the boy a few usual questions, such as his age, his hobbies, as well as his favorite animal. He found it strange that such a young boy would be traveling alone, so he decided to keep an eye on him to make sure he was okay. About an hour into the flight, the plane suddenly began experiencing turbulence. The pilot told everyone to fasten their seat belts and remain calm, as they had encountered rough weather. As the plane rose and fell several times, people got nervous and sat up in their seats. The man was also nervous and grabbing his seat as tightly as he could. Meanwhile, the little boy was sitting quietly beside him. His coloring book and crayons were put away neatly in the seat pocket in front of him, and his hands were calmly resting on his legs. Incredibly, he didn't seem worried at all. Then, suddenly, the turbulence ended. The pilot apologized for the bumpy ride and announced that they would be landing soon. As the plane began its descent, the man said to the little boy, "You are just a little boy, but I have never met a braver person in all my life! Tell me, how is it that you remained so calm while all of us adults were so afraid?" Looking him in the eyes, he said, "My father is the pilot, and he's taking me home."

2261-18
On March 15, my family was on one of your Glass Bottom Boat Tours. When we returned to our hotel, I discovered that I left behind my cell phone case. The case must have fallen off my lap and onto the floor when I took it off my phone to clean it. I would like to ask you to check if it is on your boat. Its color is black and it has my name on the inside. If you find the case, I would appreciate it if you would let me know.

2261-19
One Saturday morning, Matthew's mother told Matthew that she was going to take him to the park. A big smile came across his face. As he loved to play outside, he ate his breakfast and got dressed quickly so they could go. When they got to the park, Matthew ran all the way over to the swing set. That was his favorite thing to do at the park. But the swings were all being used. His mother explained that he could use the slide until a swing became available, but it was broken. Suddenly, his mother got a phone call and she told Matthew they had to leave. His heart sank.

2261-20
Meetings encourage creative thinking and can give you ideas that you may never have thought of on your own. However, on average, meeting participants consider about one third of meeting time to be unproductive. But you can make your meetings more productive and more useful by preparing well in advance. You should create a list of items to be discussed and share your list with other participants before a meeting. It allows them to know what to expect in your meeting and prepare to participate.

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2262-36
Touch receptors are spread over all parts of the body, but they are not spread evenly. Most of the touch receptors are found in your fingertips, tongue, and lips. On the tip of each of your fingers, for example, there are about five thousand separate touch receptors. In other parts of the body there are far fewer. In the skin of your back, the touch receptors may be as much as 2 inches apart. You can test this for yourself. Have someone poke you in the back with one, two, or three fingers and try to guess how many fingers the person used. If the fingers are close together, you will probably think it was only one. But if the fingers are spread far apart, you can feel them individually. Yet if the person does the same thing on the back of your hand (with your eyes closed, so that you don't see how many fingers are being used), you probably will be able to tell easily, even when the fingers are close together.

2262-37
One interesting feature of network markets is that "history matters." A famous example is the QWERTY keyboard used with your computer. You might wonder why this particular configuration of keys, with its awkward placement of the letters, became the standard. The QWERTY keyboard in the 19th century was developed in the era of manual typewriters with physical keys. The keyboard was designed to keep frequently used keys (like E and O) physically separated in order to prevent them from jamming. By the time the technology for electronic typing evolved, millions of people had already learned to type on millions of QWERTY typewriters. Replacing the QWERTY keyboard with a more efficient design would have been both expensive and difficult to coordinate. Thus, the placement of the letters stays with the obsolete QWERTY on today's English-language keyboards.

2262-38
One way of measuring temperature occurs if an object is hot enough to visibly glow, such as a metal poker that has been left in a fire. The color of a glowing object is related to its temperature: as the temperature rises, the object is first red and then orange, and finally it gets white, the "hottest" color. The relation between temperature and the color of a glowing object is useful to astronomers. The color of stars is related to their temperature, and since people cannot as yet travel the great distances to the stars and measure their temperature in a more precise way, astronomers rely on their color. This temperature is of the surface of the star, the part of the star which is emitting the light that can be seen. The interior of the star is at a much higher temperature, though it is concealed. But the information obtained from the color of the star is still useful.

2262-39
The holy grail of the first wave of creativity research was a personality test to measure general creativity ability, in the same way that IQ measured general intelligence. A person's creativity score should tell us his or her creative potential in any field of endeavor, just like an IQ score is not limited to physics, math, or literature. But by the 1970s, psychologists realized there was no such thing as a general "creativity quotient." Creative people aren't creative in a general, universal way; they're creative in a specific sphere of activity, a particular domain. We don't expect a creative scientist to also be a gifted painter. A creative violinist may not be a creative conductor, and a creative conductor may not be very good at composing new works. Psychologists now know that creativity is domain specific.

2262-40
The great irony of performance psychology is that it teaches each sportsman to believe, as far as he is able, that he will win. No man doubts. No man indulges his inner skepticism. That is the logic of sports psychology. But only one man can win. That is the logic of sport. Note the difference between a scientist and an athlete. Doubt is a scientist's stock in trade. Progress is made by focusing on the evidence that refutes a theory and by improving the theory accordingly. Skepticism is the rocket fuel of scientific advance. But doubt, to an athlete, is poison. Progress is made by ignoring the evidence; it is about creating a mindset that is immune to doubt and uncertainty. Just to reiterate: From a rational perspective, this is nothing less than crazy. Why should an athlete convince himself he will win when he knows that there is every possibility he will lose? Because, to win, one must proportion one's belief, not to the evidence, but to whatever the mind can usefully get away with.

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