How Social Media Annexes Your Cognitive Landscape

In my 2016 book, Deep Work, I proposed a strictly binary approach to social media: you should perform an honest cost/benefit analysis on the social media platforms in your life, and quit all services that don’t provide substantially more benefits than costs with respect to things you truly value. The issue with this idea, as I discovered, is that many people could identify a small number of important benefits provided to them by particular social media platforms that couldn’t be easily r...

 Cost Benefits of Lead Cleanup

It's difficult to put firm numbers to the costs and benefits of lead abatement. But for a rough idea, let's start with the two biggest costs. Nevin estimates that there are perhaps 16 million pre-1960 houses with lead-painted windows, and replacing them all would cost something like $10 billion per year over 20 years. Soil cleanup in the hardest-hit urban neighborhoods is tougher to get a handle on, with estimates ranging from $2 to $36 per square foot. A rough extrapolation from Mielke's est...

 Scientists Do Not Work for the Benefit of Humanity

This leads me to comment upon the opinion, held by many people, that the scientist is a completely altruistic being, devoting himself selflessly to the pursuit of truth, solely in order Jo contribute to the welfare of humanity. I do not intend it as a derogation of men whom I cherish when I say that this is, in my experience, not really the basic motivation for any of them, and as additional motivation it is more often absent than present. That they do, in fact, expend themselves in activitie...