The evidence for future warming is based on fundamental understanding of the behavior of heat - trapping gases in the atmosphere. (nca2014.globalchange.gov)
My break had also, and more profoundly, to do with fundamental understanding of human nature, and with the relationship of that understanding to the socialist vision. (firstthings.com)
Besides an improved fundamental understanding these techniques offer possibilities to control light driven electronic processes. (sciencedaily.com)