Protocells place origin-of-life researchers in an awkward position: relying upon an imaginary entity to sustain their belief that only matter and energy exist.
Organizers of the St. Louis World’s Fair believed human zoos would “shed light on the theory evolved by Darwin as regards the evolution of the human race.”
“Natural selection” is like a Swiss Army knife that researchers in widely different disciplines use to solve their problems.
Richard Lenski claims that his experiment provides “one of the most direct demonstrations of Darwinian adaptations by natural selection you can imagine.”
Perhaps the biggest evolutionary development in the course of the experiment involved some bacteria beginning to feed on citric acid.