Yahoo News After the COVID vaccine breakthrough, try this quiz on scientific discoveries
The world celebrated this week after pharmaceutical giant Pfizer announced that its COVID-19 vaccine prevented 90% of people from getting the disease.
Pfizer and its partner on the project BioNTech said the announcement marked a "great day for science and humanity".
It’s a breakthrough that sent shockwaves around the world – but how much do you know about the other scientific breakthroughs that have made history?
The discovery of penicillin, for instance, is thought to have saved hundreds of millions of lives… but who discovered it?
And most of us know the names of famous scientists such as Marie Curie, Charles Darwin and Ada Lovelace – but what did they actually discover?
From the mysteries of the cosmos to the subatomic world, our quiz takes in some of the most important scientific breakthroughs in history.
It starts off easy but gets trickier as you go along. Can you survive our 15-question multiple-choice breakthroughs quiz?
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