TCH TH The Oops Effect How the Mistake of a Messy Scientist Saved 1 Billion Lives Imagine dying from a scratch. Not a knife. Not a bullet. Just a minor scrape from trimming roses in your garden. Within days, you are in a…
MDA SPT AN Andrew Siemon What’s the Difference Between A Key Signature & Accidental? Key signatures are made up of “sharps” and “flats” — these are called accidentals. Sharps look like a hashtag (#) and flats look like a…
