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Scientific practice

The Starship vs. Spaceship Earth

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Eric Steig & Ray Pierrehumbert

One of my (Eric’s) favorite old books is The Starship and the Canoe by Kenneth Brower It’s a 1970s book about a father (Freeman Dyson, theoretical physicist living in Princeton) and son (George Dyson, hippy kayaker living 90 ft up in a fir tree in British Columbia) that couldn’t be more different, yet are strikingly similar in their originality and brilliance. I started out my career heading into astrophysics, and I’m also an avid sea kayaker and I grew up with the B.C. rainforest out my back door. So I think I have a sense of what drives these guys. Yet I’ve never understood how Freeman Dyson became such a climate contrarian and advocate for off-the-wall biogeoengineering solutions like carbon-eating trees, something we’ve written about before.

It turns out that Brower has wondered the same thing, and in a recent article in The Atlantic, he speculates on the answer. “How could someone as smart as Freeman Dyson,” writes Brower, “be so wrong about climate change and other environmental concerns..?”
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Reflections on funding panels

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Despite what is often claimed, climate scientists aren’t “just in it for the money”. But what scientists actually do to get money and how the funding is distributed is rarely discussed. Since I’ve spent time as a reviewer and on a number of panels for various agencies that provide some of the input into those decisions, I thought it might be interesting to discuss some of the real issues that arise and the real tensions that exist in this process. Obviously, I’m not going to discuss specific proposals, calls, or even the agencies involved, but there are plenty of general insights worth noting.
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Science is self-correcting: Lessons from the arsenic controversy

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Recent attention to NASA’s announcement of ‘arsenic-based life’ has provided a very public window into how science and scientists operate. Debate surrounds the announcement of any controversial scientific finding. In the case of arseno-DNA, the discussion that is playing out on the blogs is very similar to the process that usually plays out in conferences and seminars. This discussion is a core process by which science works.
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