The evolutionary part of this paper relies on wishful thinking. What “could” or “might” happen occurs only in their evolutionary imaginations.

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The subversive bacchanal for San Francisco’s eccentric underground is ageing out amid an influx of the super-rich

Burning Man, the infamous arts festival in the Nevada desert, turned 40 this year, and it’s showing some distinct signs of middle age.

It’s not just the tech billionaires who show up to party, the chartered flights straight to the desert or the HBO documentary about behind-the-scenes power struggles. The tens of thousands of people who assemble each year to create a tent city in the wilderness appear to be growing older, and it doesn’t seem that they’re being replaced by as many younger “burners”, as festival participants are called.

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© Photograph: San Francisco Chronicle/Hearst Newspapers/Getty Images

© Photograph: San Francisco Chronicle/Hearst Newspapers/Getty Images

© Photograph: San Francisco Chronicle/Hearst Newspapers/Getty Images

It makes sense to think that the T3SS didn’t evolve into the bacterial flagellum, but that the bacterial flagellum shed some protein parts to become a T3SS. 

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The mission of the Flock app is quietly subversive: to encourage users to ditch their screens and explore the wonderful world of birding

On a brilliantly bright afternoon in his gallery and studio in Bolinas, a small town on the northern California coast, Keith Hansen was putting the finishing touches on a watercolor of an almost improbably flamboyant painted bunting.

With an ultra-fine sable brush, he made a few intricate additions to the cobalt blue plumage on the bunting’s head, and, satisfied with his work, slipped the watercolor into a stout binder that every few days welcomes a new addition.

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© Photograph: Nick Czap

© Photograph: Nick Czap

© Photograph: Nick Czap

Bring the engineering masterpiece to your wallpaper with these macOS Golden Gate Beta 3 backgrounds.

Report finds widespread overbidding as rapid AI growth generates increased wealth in city where housing is scarce

San Francisco’s AI boom has buyers spending unprecedented amounts of money on homes – much more than sellers are asking for.

A new analysis from real-estate brokerage Compass, found that in the first half of 2026, more than 140 homes in the city sold for at least $1m above their asking price, 44 of them in June alone.

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© Photograph: Ethan Swope/Getty Images

© Photograph: Ethan Swope/Getty Images

© Photograph: Ethan Swope/Getty Images