Improperly installed beach umbrellas have sent more than 30,000 people to US hospitals in a decade.| www.bbc.com
I. From Identity, Personal Identity, and the Self by John Perry:”There is something about practical things that knocks us off our philosophical high horses. Perhaps Heraclitus really thought …| Slate Star Codex
Why the air you breathe matters, and what to do about it.| DYNOMIGHT