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Excellent piece by Sharon Squassoni in the Bulletin of the Atomic Scientists, on how Trump's bizarre Saudi nuclear deal drags the world into "nuclear quicksand." thebulletin.org/2026/07/the-... The Bulletin keeps going from strength to strength. They deserve your subscriptions.

The US-Saudi nuclear deal isn't dead—It's dragging Washington into nonproliferation quicksandA condition that Saudi Arabia normalize relations with Israel hasn't killed the nuclear agreement—it has only masked the fine print. Behind official claims that uranium enrichment is off the table, th...thebulletin.org

In a generally good dialogue on the fallacy of endless growth, the respondents punt on what is actually a very simple question www.theguardian.com/community/se...

From reports I hear on recent A.I. meetings, it sounds to me like A.I. has become a cult. An outrageously over-funded cult, but a cult nonetheless.

I've posted about a lot of grim stuff, but to partly offset that, I want to say how much I've enjoyed reconnecting with Oxford folk music friends in sessions. I played quite a lot when in Cambridge, MA, but the Oxford folk scene is really special, with Ed's Scandi session, the Lamb and Flag open

Very excellent postdoc opportunity, at U. of Geneva, with collaborations across a very exciting Swiss exoplanet and life network. www.unige.ch/sciences/cvu...

This thread highights a subtle and difficult messaging problem. Achieving netZero will not reverse the impacts of the current climate, which has been heated up by historical CO2 emissions. It is too late for that. The point of netZero is to prevent the future situation from getting even worse. ..