Serendipity in the Natural Sciences - "chance" discoveries
Have a look at the role of serendipity in a variety of contexts using the links below. The Atlantic - The Accidental Discovery of LSD New Humanist - famous accidental discoveries American Physical Society - Becquerel Discovers Radioactivity National Science Foundation - Chance Discoveries: Safety Glass Popular Mechanics - 10 Awesome Accidental Discoveries Business Insider - 15 Amazing Science Discoveries Inspired By Complete Accidents