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Scale
The Universal Laws of Growth, Innovation, Sustainability and the Pace of Life in Organisms, Cities, Economies and Companies
Scale (2017) is a glimpse into the hidden and fascinating world of the mathematical relationships that tie the world together. The blinks describe how such laws connect everything from microscopic organisms to international metropolises, and what they can tell us about the behavior of complex systems.
- Physicists, biologists, mathematicians and economists
- City planners, company owners and innovators
- Environmentalists and anyone interested in sustainable development
Geoffrey West is a theoretical physicist whose interests range from the fundamental questions of physics to biology and global sustainability. He is a distinguished professor at the Santa Fe Institute and a visiting professor at Oxford University, Imperial College and Nanyang Technical University in Singapore. He was listed on Time magazine’s 2006 list of the “100 Most Influential People In the World.”
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Scale
The Universal Laws of Growth, Innovation, Sustainability and the Pace of Life in Organisms, Cities, Economies and Companies
- Read in 16 minutes
- Audio & text available
- Contains 10 key ideas
Synopsis
Scale (2017) is a glimpse into the hidden and fascinating world of the mathematical relationships that tie the world together. The blinks describe how such laws connect everything from microscopic organisms to international metropolises, and what they can tell us about the behavior of complex systems.
Key idea 1 of 10
A hidden pattern sustains all life and culture.
Earth is home to over 8 million different species, from microscopic bacteria to enormous blue whales, as well as an incredible diversity of social life, cultures, cities and traditions.
It can be quite overwhelming to think about. But the truth is that there are some surprising systematic patterns behind the complexity of biological and socioeconomic life. For instance, if you plot a graph of the metabolic rate of animals – that is, the amount of energy they spend per unit of time – against the body mass of those animals, you’ll see a perfectly straight line.
That’s right; the metabolic rate of any animal from a mouse to an elephant is perfectly fixed relative to its body mass. Not only that, but if in the same equation you substitute the metabolic rate for the total number of heartbeats in an animal’s life, you’ll get another straight line!
There is, however, one trick at play. To get this result, the scales need to be logarithmic, meaning the units on each axis need to increase by factors of ten, so from one to ten to 100, and so on.
Take an example from the world of economics: if you plot out the number of patents registered in a city against that city’s population, you’ll find that the number of patents will increase 15 percent faster than the population, also producing a straight line.
Are these incredible correlations mere coincidences?
Hardly. What you’re actually observing are called scaling relationships. The examples above are just a peek into the ways organisms and cities scale with size, and understanding this phenomenon can illuminate much about the world.
For instance, new drugs are often tested on mice to model the way they’ll impact the human body. However, mice are of course much smaller than people – so how can scientists draw conclusions about humans from tests on rodents? Well, scaling can explain the answer. In the following blinks, you’ll learn about other incredible ways scaling can explain organisms, cities and even companies.
Key ideas in this title
- A hidden pattern sustains all life and culture.
- Scaling laws are rarely linear, and this has important implications.
- Biological scaling laws can be explained by a network-based theory.
- Biological networks extend toward a fourth dimension, explaining why humans stop growing.
- Scaling reveals surprising similarities between seemingly different cities, while biological networks are analogous to urban centers.
- The speed of life, social interaction and economic activity all scale with the size of a city.
- Scaling reveals universal dynamics that correspond to a company’s size and age.
- Since the Industrial Revolution, the world has witnessed a population explosion, raising questions about sustainability.
- It’s unlikely that the earth can sustain such rapidly accelerating population and economic growth.
- Final summary
