Originally posted by sonhouseThey left that out because it does not fit their worldview of evilution.
I guess they left that out because it wasn't central to the article. Cockroaches don't all get killed by any one pesticide so there are always bugs that are immune to the effects of said pesticide. One measure they can't evolve out of is their reaction to boric acid powder. You sprinkle Boric acid powder on the floor where they regularly pass and within two ...[text shortened]... ng that sugar and found they had evolved a response that made more of them survive the traps.
The Instructor