Not quite. All two-body systems orbit a common barycenter, but the mass ratio of the Earth-Moon system is so lopsided that the barycenter is inside the Earth, not between them like with Pluto and Charon.

No, because absolute size is not what makes a moon a moon. Our Moon is a moon because it directly orbits a planet, not a star. Charon is massive enough relative to Pluto that the former does not directly orbit the latter, but instead they both orbit a common barycenter located between them, making them a binary planetary system.

For what it’s worth, the author (eventually) explains that by “AI doomer” they’re not talking about people who are generally skeptical or pessimistic about AI’s influence on society, but rather people who believe that AI will literally kill all humans:

“[T]here are plenty of people who do believe that AI either will or might kill all of humanity, and they take this idea very seriously. They don’t just think “AI could take our jobs” or “AI could accidentally cause a big disaster” or “AI will be bad for the environment/capitalism/copyright/etc”. They think that AI is advancing so fast that pretty soon we’re going to create a godlike artificial intelligence which will really, truly kill every single human on the planet in service of some inscrutable AI goal. […] They would likely call themselves something like ‘AI Safety Advocates’. A less flattering and more accurate name would be ‘AI Doomers’.”

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The actual headline says “tens of thousands,” but it’s certainly funnier this way.

Glad you live and work in a place where biking is a viable option, but it’s the complete opposite for me. It takes me 20 minutes to drive to work on a route that would take three hours by bike just because of the sheer distance, and there simply are no bus routes out to where I live. Not saying we should stop advocating for better mass transit and bike-friendly urban planning, but just bear in mind your situation is not representative of everyone else’s.

The article says she has grandchildren, so her genes are still very much out there. Natural selection only works if it can get to you before you reproduce.

I just want the “hard-g because graphical” crowd to really commit to the bit and start insisting that JPEG be pronounced “jay-feg” because of “photographic.”