The color of a grown crystal can be dramatically altered by adding tiny amounts of impurities, even at parts-per-million levels. elaborate
Neil deGrasse Tyson's asteroid, 13123 Tyson, is named after him. elaborate
Alexander Fleming's discovery of penicillin was partly accidental; he noticed the mold inhibiting bacterial growth on a contaminated petri dish. elaborate
Citizen science projects have helped discover new planets orbiting distant stars. elaborate
Louis Pasteur's work on vaccines stemmed from his initial research on fermentation, showing a connection between microorganisms and spoilage. elaborate