[bvw]

You underestimate the intelligence of ancient peoples considerably. Especially with reagrd to growing plants.

Here's an analogy according to the logic you employed: "Most people today think popcorn is made by machines in a factory."

[furball4paws]

"Most people today think popcorn is made by machines in a factory."

George Beadle is probably laughing in his grave (my apologies, George, whereever you are, if I have put you 6 feet under prematurely)