Physical World

How the body, environment, and daily habits shape cognition: nervous system regulation, energy, health, and modern living.

The body ages faster than the calendar suggests, and some of that pace can be slowed

  • 4 min read

Morning people report being happier than night owls, but the gap may say less about discipline and more about the fact that schools, offices and social life were all built to their clock

  • 4 min read

A Finnish study on sisu found that pushing through discomfort splits into two separate traits, one linked to better well-being and the other to persistent work stress

  • 4 min read

What constant complaining does to the brain, and the quieter cost it carries

  • 4 min read

What the Harvard studies of Himalayan monks actually found — and what the “superhuman” framing gets wrong

  • 4 min read
Himalayan monks, superhuman abilities

What happens when a Buddhist monk is wired to sensors in a lab, and what it reveals about attention

  • 4 min read

What negative company does to the brain, and where the science actually stops

  • 3 min read

The idea that the mind reaches beyond the brain: a serious look at a strange theory

  • 4 min read

Neuroscience has known for years that when you exercise matters as much as whether you exercise, and almost nobody structures their day around this

  • 6 min read

What happens to your judgment and perception after just one night of poor sleep

  • 5 min read

Researchers mapped how surprise works in the human brain — and it may explain why we fall for manipulation

  • 5 min read

What happens when you stop performing happiness for other people

  • 4 min read
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The Sovereign Letter

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