big ideas

The big lessons from history

“The second kind of history to learn from are the broad behaviors that show up again and again, in multiple fields and different eras. They are the 30,000-foot takeaways from events that hide layers below the main story, often going […]

under the microscope

Beware mass-produced medical recommendations

A couple weeks ago I shared a recent study showing extreme benefits of vitamin D for Covid-19 patients (or maybe the extreme detriments of vitamin D deficiency). More on the curious case of vitamin D, and the murky world of understanding science. | learn […]

better doing

What the pandemic has taught us about science

I enjoyed this essay from Matt Ridley in the WSJ. “The scientific method remains the best way to solve many problems, but bias, overconfidence and politics can sometimes lead scientists astray.” | learn more

tech, startups, internet

What working at Stripe has been like

“I joined Stripe four years ago to make starting an Internet business easier, mostly by work on Stripe Atlas. This has been a series of adjustments for me: to working as an employee, to experiencing hypergrowth, to being closer to […]