"Darwinian Pool Room" is a science fiction short story by American writer Isaac Asimov.
It was first published in the October 1950 issue of Galaxy Science Fiction, edited by Horace L Gold, and reprinted in the 1975 collection Buy Jupiter and Other Stories.
The story was inspired by lunch-time discussions between the author and his colleagues at Boston University.
In 1989 Asimov noted, "I have always considered it among the least satisfactory stories I have ever written".
[1] A group of scientists held a lunch-time discussion concerning the evolution and extinction of lifeforms on Earth, including the dinosaurs.