Part 1 of 5 · freeIntroduction
Before antibiotics, a simple infection could kill. A cut, a case of pneumonia, a battlefield wound: the body often had to fight alone.
In 1928, the Scottish doctor Alexander Fleming stumbled on a substance that could kill bacteria. It would be called penicillin. But turning it into a real medicine took years more.
The rest is in the Sophia app.The remaining parts, the open-book quiz and the full glossary. Free to start; Premium unlocks everything.
- 2A forgotten dish
- 3Oxford turns the idea into a cure
- 4Making it by the ton
- 5The shadow of resistance
Open-book quiz9 questions whose answers are in the text.
Glossary7 terms explained in a tap.
30 languagesThe same course, from French to Japanese.





