That article is about LTNs, not 15-minute cities. They are different concepts, though often conflated. https://www.standard.co.uk/news/uk/15-minute-city-urban-planning-idea-conspiracy-theory-misinfor… (View Post)

Yes, I think the moon has played an essential role in creating an environment suitable for life on Earth. For intelligent life to evolve, you need, fundamentally, a sufficiently large, complex, long-… (View Post)

You certainly get the impression that intelligence isn't a particularly useful trait for survival beyond that needed to find food and evade predators. The development of human-level intelligence seem… (View Post)

It's the fact that there are so many things that had to have happened for complex life to evolve that makes me think it is likely to be very rare. A planet of sufficient size to hold an atmosphere ci… (View Post)

I finished my degree in astrophysics in 1994, and I don't remember anyone saying there could not possibly be exoplanets. Indeed, it was generally assumed that other stars would also have planets, eve… (View Post)