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Ancient humans learned to teach when they invented complex tools
Humans are most capable of passing knowledge down the generations.
Simple and complex tools generally improve through generations. A study found that with complex tools, teaching consistently led to more improvement compared to other conditions.
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Despite the advances in science over the past century, our understanding of nature is still limited. Scientists still don't know what the vast majority of the universe is made up of or how cons...
"Mysterian" thinkers give an important role to biological arguments and analogies.
Late philosopher Jerry Fodor argued that there are bound to be thoughts we are unable to think. Similarly, philosopher Colin McGinn claimed that all minds suffer from "cognitive closure" about particular problems. Just as animals will never understand prime numbers, so human brains are unable to consider some of the world's wonders.
Mysterians present the question of cognitive limits in fixed terms: either we can solve a problem, or we will never be able to.
A possibility that eludes mysterians is one of slowly diminishing returns. We keep slowing down, even as we exert more effort, and there is no point where progress becomes impossible.
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Invention often comes in stages and phases, when existing technology is looked at and mixed with new creative insights, a process that sometimes takes thousands of years.
This makes it hard...
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Humans evolved on a diet very different from today's eating habits. To be healthier, leaner, stronger and fitter, we must re-think our diet and remove some of the food groups we ...