It’s too bad biologists are not as open about crises in their theories. It’s the sign of a healthy science.
I remember watching the Apollo moon landings on TV from 1969 to 1972 as a child.
The question she leaves unaddressed is why scientists would choose, despite the absence of evidence, despite the fact that the multiverse is “unobservable by assumption,” to believe in a multiverse.
Further requirements could be listed, including some even more horrific than cloning.
New research suggests that the circumstellar habitable zone for terrestrial planets around stars is narrower than previously thought.