While she is a master of popular science writing, she does make you wonder if there is a middle ground between the two kinds of books about the body. (newscientist.com)
There is a middle ground where one can show a theory to be wrong but at the same time no viable alternative has yet to come forth. (desmogblog.com)
One has good battery and bad specs for the price while the other has good specs and bad battery, there is no middle ground for both phones. (gogi.in)