In my experience, they teach it with confidence, so they must have it.
joe
On Oct 30, 2013, at 2:54 PM, John Clement wrote:
This is a tough misconception that even professional biologists
may have.
Joseph J. Bellina, Jr. Ph.D.
Emeritus Professor of Physics
Co-Director
Northern Indiana Science, Mathematics, and Engineering Collaborative
574-276-8294
inquirybellina@comcast.net