sometimes scientific discoveries occur as if by spontaneous generation

A simile (to a historical scientific notion) used in a scientist's writing:

"…we must recognise that there are times when, on the heels of a chance discovery or the development of an important new technique, magnificent scientific discoveries occur one after another as if by spontaneous generation."

Santiago Ramón y Cajal (1999). Advice for a Young Investigator. The MIT Press. (Translation of 4th Spanish Edition, 1916)

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Spontaneous generation was long a respectable explanation for the original of 'lower' organisms like flies and worms which were not thought to need parents.

Author: Keith

Former school and college science teacher, teacher educator, research supervisor, and research methods lecturer. Emeritus Professor of Science Education at the University of Cambridge.