For the curious mind.

Understanding
doesn't have to be
locked inside disciplines or jargon.

All Belief & Meaning Finance & Economics Crossover

If the universe were a simulation, what would change?

Simulation arguments are usually framed as a challenge to religion. Follow the reasoning carefully and it changes the description of creation without touching the question underneath...
All History & Culture Crossover

How the metre was decided

A unit of length was fixed by a survey that turned out to be slightly wrong, and the error is still in the number. What that...
All Health & Longevity

What “metabolism” actually means

The word is used to explain almost everything and specifies almost nothing. A plain account of what is being measured, and where the popular version parts...
All Mind & Behaviour

The memory you are most sure about

Confidence and accuracy come apart in recall, and the gap is widest for the memories that feel most vivid. What the research shows, and what it...
All Science & Technology

How a lithium battery fails

Every rechargeable cell is a slow chemical compromise. Understanding the failure explains the charging advice better than the advice does.
All History & Culture Crossover

The colour that had to be manufactured

Some pigments were rare enough to change what painters could depict. A short account of how supply shaped subject matter.
All Belief & Meaning

The trouble with asking whether free will exists

Two people arguing about free will are often defining it differently and agreeing on the facts. Laying out the definitions first makes the disagreement smaller and...
All Science & Technology Crossover

Why noise-cancelling works, and what it cannot cancel

The physics is straightforward. The reason the quiet feels stranger than expected is not physics at all.
All Health & Longevity Crossover

Sleep debt is not a debt

The accounting metaphor is doing a lot of work, and most of it is misleading. What recovery sleep restores, and what it does not.
All History & Culture

Why the keyboard is arranged the way it is

The standard explanation is a story about jamming type bars. The record is more crowded than that, and less tidy.

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