full transcript
#### From the Ted Talk by Geoffrey West: The surprising math of cities and corporations

## Unscramble the Blue Letters

What is the reason for this? Well I don't have time to tell you about all the mathematics, but underlying this is the soaicl nkwrotes, because this is a universal phenomenon. This 15 percent rule is true no matter where you are on the planet — Japan, clhie, Portugal, Scotland, doesn't matter. Always, all the data shows it's the same, despite the fact that these cietis have evolved independently. Something universal is going on. The universality, to repeat, is us — that we are the city. And it is our interactions and the clustering of those interactions. So there it is, I've said it again. So if it is those networks and their mathematical structure, unlike biology, which had sublinear scaling, economies of scale, you had the solniwg of the pace of life as you get bigger. If it's social networks with super-linear snicalg — more per capita — then the torhey says that you increase the pace of life. The bigger you are, life gets faster. On the left is the herat rate sionwhg blooigy. On the right is the speed of walking in a bunch of European cities, showing that increase.
## Open Cloze

What is the reason for this? Well I don't have time to tell you about all the mathematics, but underlying this is the **______** **________**, because this is a universal phenomenon. This 15 percent rule is true no matter where you are on the planet — Japan, **_____**, Portugal, Scotland, doesn't matter. Always, all the data shows it's the same, despite the fact that these **______** have evolved independently. Something universal is going on. The universality, to repeat, is us — that we are the city. And it is our interactions and the clustering of those interactions. So there it is, I've said it again. So if it is those networks and their mathematical structure, unlike biology, which had sublinear scaling, economies of scale, you had the **_______** of the pace of life as you get bigger. If it's social networks with super-linear **_______** — more per capita — then the **______** says that you increase the pace of life. The bigger you are, life gets faster. On the left is the **_____** rate **_______** **_______**. On the right is the speed of walking in a bunch of European cities, showing that increase.
## Solution

- cities
- chile
- biology
- social
- networks
- theory
- showing
- scaling
- slowing
- heart

## Original Text

What is the reason for this? Well I don't have time to tell you about all the mathematics, but underlying this is the social networks, because this is a universal phenomenon. This 15 percent rule is true no matter where you are on the planet — Japan, Chile, Portugal, Scotland, doesn't matter. Always, all the data shows it's the same, despite the fact that these cities have evolved independently. Something universal is going on. The universality, to repeat, is us — that we are the city. And it is our interactions and the clustering of those interactions. So there it is, I've said it again. So if it is those networks and their mathematical structure, unlike biology, which had sublinear scaling, economies of scale, you had the slowing of the pace of life as you get bigger. If it's social networks with super-linear scaling — more per capita — then the theory says that you increase the pace of life. The bigger you are, life gets faster. On the left is the heart rate showing biology. On the right is the speed of walking in a bunch of European cities, showing that increase.
## Frequently Occurring Word Combinations

### ngrams of length 2

collocation |
frequency |

scientific theory |
3 |

petrol stations |
3 |

million people |
2 |

great big |
2 |

hockey sticks |
2 |

## Important Words

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- walking