Linsey Marr

I Bought a CO2 Monitor and It Broke Me

February 3, 2023 · Health

A few weeks ago, a three-inch square of plastic and metal began, slowly and steadily, to upend my life. The culprit was my new portable carbon-dioxide monitor, a…

What Happened to Hand-Washing?

October 24, 2022 · Health

Way back in the early, whirlwind days of the pandemic, surfaces were the thing to worry about. The prevailing scientific wisdom was that the coronavirus spread mainly via…