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Cosmologist Sean Carroll has announced a break from blogging on Cosmic Variance. I picked up this news from Jerry Coyne‘s blog Why Evolution is True! (also the title of his book) (see Sean Carroll says goodbye).

Like Jerry, I think that is a great pity. I find Sean Carroll’s blog posts interesting. I don’t necessarily always agree – as, for example, in his debate with Sam Harris on morality. But they are clearly written and refreshing to read. His lecture’s on cosmological questions are fascinating and I am looking forward to reading his recently published book From Eternity to Here: The Quest for the Ultimate Theory of Time.

However, Sean does say his hiatus will not be permanent (see Downshifting). And other contributors to the Cosmic Variance blog will continue.

I agree with Jerry that Sean’s last major post, ’Reluctance to let go’, was impressive. It’s worth reading in full – but here’s an extract:

“There’s a movement afoot to frame science/religion discussions in such a way that those of who believe that the two are incompatible are labeled as extremists who can be safely excluded from grownup discussions about the issue. It’s somewhat insulting – to be told that people like you are incapable of conducting thoughtful, productive conversations with others – and certainly blatantly false as an empirical matter – I’ve both participated in and witnessed numerous such conversations that were extremely substantive and well-received. It’s also a bit worrisome, since whether a certain view is ’true’ or ’false’ seems to take a back seat to whether it is ’moderate’ or ’extreme.’ But people are welcome to engage or not with whatever views they choose.

“What troubles me is how much our cultural conversation is being impoverished by a reluctance to face up to reality. In many ways the situation is parallel to the discussion about global climate change. In the real world, our climate is being affected in dramatic ways by things that human beings are doing. We really need to be talking about serious approaches to this problem; there are many factors to be taken into consideration, and the right course of action is far from obvious. Instead, it’s impossible to broach the subject in a public forum without being forced to deal with people who simply refuse to accept the data, and cling desperately to the idea that the Earth’s atmosphere isn’t getting any warmer, or it’s just sunspots, or warmth is a good thing, or whatever. Of course, the real questions are being addressed by some people; but in the public domain the discussion is blatantly distorted by the necessity of dealing with the deniers. As a result, the interested but non-expert public receives a wildly inaccurate impression of what the real issues are. . . . . “

“How great would it be if we could actually have serious, productive public conversations about the implications of these discoveries? For all that we have learned, there’s a tremendous amount yet to be figured out. We know the rules by which the world works, but there’s a lot we have yet to know about how to live within it; it’s the difference between knowing the rules of chess and playing like a grandmaster. What is ’life,’ anyway? What is consciousness? How should we define who is a human being, and who isn’t? How should we live together in a just and well-ordered society? What are appropriate limits of medicine and biological manipulation? How can we create meaning and purpose in a world where they aren’t handed to us from on high? How should we think about love and friendship, right and wrong, life and death?

“These are real questions, hard questions, and we have the tools in front of us to have meaningful discussions about them. And, as with climate change, some people are having such discussions; but the public discourse is so badly distorted that it has little relationship to the real issues. Instead of taking the natural world seriously, we have discussions about ’Faith.’ We pretend that questions of meaning and purpose and value must be the domain of religion. We are saddled with bizarre, antiquated attitudes toward sex and love, which have terrible consequences for real human beings. . . . . “

“Rather than opening our eyes and having the courage and clarity to accept the world as it is, and to tackle some of the real challenges it presents, as a society we insist on clinging to ideas that were once perfectly reasonable, but have long since outlived their usefulness. Nature obeys laws, we are part of nature, and our job is to understand our lives in the context of reality as it really is. Once that attitude goes from being ’extremist’ to being mainstream, we might start seeing some real progress.”

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