fun facts

Fair coins tend to land on the same side they started.

This is published evidence from 350,757 flips among 48 flippers. The bias comes from the flippers, because most people can’t seem to flip coins without also introducing a wobble. That causes them to land on the same side that they […]

fun facts

ACT test scores for U.S. students drop to a 30-year low.

This is fun because you can overfit whatever your preferred explanation is to this outcome. “Scores have been falling for six consecutive years, but the trend accelerated during the COVID-19 pandemic.” I’d love to see some more granular data, starting […]

big ideas

How heat pumps became a Nordic success story.

This started as a response to the 1970s oil price shock and was further aided by a carbon tax introduced in 1990. “Sweden, Norway and Finland also have the coldest climates in Europe. In all three countries, there are now […]

retail therapy

Best Buy will sell glucose monitoring systems.

“Best Buy will soon begin carrying continuous glucose monitoring devices that require a prescription, opening the door to broader future healthcare product offerings ordered by physicians for their patients.” They seem to be targeting the diabetic market, which sadly just […]

better doing

Remove the legend to become one.

A long and enjoyable post about making excellent charts. “A good line graph is a fusion of right and left brain, of literacy and numeracy. Just numbers alone aren’t enough to explain the truth, but accurate numbers, represented truthfully, are […]

better doing

In defense of strategy.

“For some reason … it’s a badge of honor in tech to shit on strategy.” This is a great counter to the position that execution is ee. “A strategy is a high-level plan to achieve one or more goals under […]