22 Questions Answered
7 Categories

Growth & Scale

Questions about when and how fast to grow, and what changes as you scale

Organization

Questions about structure, teams, incentives, and coordination

Competition

Questions about defensibility, competitors, and market dynamics

Sustainability

Questions about longevity, adaptation, and avoiding obsolescence

Strategy

Questions about focus, diversification, and strategic choices

Foundations

Musings

Curious questions about biology that reveal surprising insights

Why do humans have earlobes, and why are they so stretchy?

Here's the thing about earlobes: they're the only part of your ear with no cartilage whatsoever. Just skin, fat, and the quiet resignation of evolution. They're basically biological afterthoughts - which is precisely why humans have spent 5,000 years poking holes in them. But the real question isn't why earlobes are stretchy. It's why ears exist at all. And the answer involves elephants using theirs as air conditioning units.

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Why do we yawn, and why is it contagious?

Nobody actually knows why we yawn. This is genuinely embarrassing for science. We've sequenced the human genome and landed robots on Mars, but we cannot definitively explain why you're about to yawn right now just because I mentioned it. What we do know is that yawning is ancient, universal, and weirdly social - and that tells us something profound about how groups synchronize without anyone being in charge.

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Why do we have an appendix?

For decades, the appendix was medicine's favorite example of evolutionary junk - a useless vestige of our leaf-eating ancestors, good for nothing except exploding and killing you. Turns out we were wrong. The appendix is a safe house. And understanding why changes how you think about 'unnecessary' redundancy in any system.

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Why do we get goosebumps?

Your body is trying to make you look bigger to scare off a predator. This would be a perfectly reasonable response if you were a porcupine, or a cat, or literally any mammal with fur. You are not. You are a largely hairless ape whose skin is attempting an intimidation display that hasn't worked in about five million years. The predator is not intimidated. The predator, if it existed, would be confused.

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Why do we hiccup?

The leading theory - and this is genuinely the leading theory, not a fringe position - is that hiccups are a vestigial reflex left over from when our ancestors breathed through gills. You are experiencing a 370-million-year-old breathing pattern for underwater respiration. Your body has not noticed that you are no longer a fish. There is no cure. Medicine's official position is 'wait.'

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Why do some people sneeze when they look at the sun?

Between 18 and 35 percent of humans will sneeze when exposed to bright light. This is a heritable genetic trait that serves no known purpose, confers no known advantage, and has no known explanation. Scientists have named it ACHOO syndrome - Autosomal Dominant Compelling Helio-Ophthalmic Outburst. They named it this on purpose. They knew exactly what they were doing.

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Why do we blush?

Humans are the only species that blushes. Darwin called it 'the most peculiar and most human of all expressions,' and then spent considerable effort trying to figure out why evolution would install an involuntary confession system in our faces. He never solved it. Neither have we. You are equipped with a face that automatically betrays your internal state to anyone watching, and no one knows why.

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Why are scientists shooting mushrooms into space?

In 1997, cosmonauts aboard the Russian space station Mir discovered something unsettling. Fungi were everywhere. Growing on the air conditioners. Corroding the control panels. Digesting the window seals. The same organism that colonises your shower grout had followed humanity into orbit and was methodically eating a spacecraft. NASA's response to this crisis? They are now deliberately launching mushrooms into space. The thing that nearly destroyed Mir might be exactly what we need to build on Mars.

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Why do moths fly into flames?

Moths navigate by the moon. They evolved to keep a celestial light source at a constant angle - a strategy that works beautifully when the only bright light in existence is 384,400 kilometres away. Then humans invented fire. The moth's navigation system, honed over 190 million years of nocturnal evolution, suddenly became a suicide protocol. This is an ecological trap: when environmental signals that once reliably indicated 'good' now reliably indicate 'death.' The global electric vehicle industry just flew into one.

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