"WHY do marketing psychologists call refrigerators 'frozen islands of security'?"

NASA researcher checking hydroponic onions with Bibb lettuce to his left and radishes to the right

"Reports of Gericke's work and his claims that hydroponics would revolutionize plant agriculture prompted a huge number of requests for further information. Gericke refused to reveal his secrets claiming he had done the work at home on his own time. This refusal eventually resulted in his leaving the University of California."

http://en.wikipedia.org/wiki/Hydroponics