Isaac Newton's work on gravity was partly inspired by an apple falling from a tree, but there's no evidence he was bonked on the head by it. elaborate
Marie Curie's research notebooks are still radioactive and require special handling. elaborate
The color of a grown crystal can be dramatically altered by adding tiny amounts of impurities, even at parts-per-million levels. elaborate
Meteorologists use weather balloons carrying radiosondes to measure atmospheric conditions at different altitudes, and these balloons sometimes reach the stratosphere – bursting only when the thin air can no longer support them. elaborate
Louis Pasteur's work on vaccines stemmed from his initial research on fermentation, showing a connection between microorganisms and spoilage. elaborate