«The current model asserts CNAs are acquired
gradually and sequentially
over extended periods of time, leading to successively more malignant stages
of cancer,» said Nicholas Navin, Ph.D., professor
of Genetics at The University
of Texas MD Anderson Cancer Center, and lead author
of the paper.
Now, as I understand it, we have infilling, as much as 40 %, in some areas from thermometers
over the land surface which have remained in place for
extended periods of time with cities
gradually engulfing some
of them and which are read by humans.