On far-UVC and air filtration
Discussions of built-environment pandemic defense tend to treat far-UVC as the standout technology and air filtration as an afterthought. I think this gets the ranking wrong.
Could humanity survive a total loss of agriculture?
I evaluate whether non-agricultural food technologies could be scaled up fast enough to feed humanity if there was an extreme attack on the crop production.
The Four Pillars: A Hypothesis for Countering Catastrophic Biological Risk
Biological risks are more severe than has been widely appreciated. Here we outline a hypothesis for ‘four pillars’ of biodefense that should work against even the most sophisticated engineered pathogens or ‘unknown unknowns’.