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 […]

fun facts

Private rail car between NYC and Chicago

I investigated private rail options for travel during Covid-19. I quickly learned that there’s mostly no such thing anymore, but one company did offer it as a special back in 2007. The price? About as much as a private jet […]

to your health

Dogs trained to detect COVID-19 in saliva samples

“Researchers in Germany have trained dogs to detect COVID-19 infections from saliva samples. After only one week of training, the dogs were able to detect the presence of the infection with a 94% accuracy rate.” | learn more