Nature 161, 707-709 (08 May 1948) | doi:10.1038/161707a0

Nature of Forces between Large Molecules of Biological Interest*

LINUS PAULING

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AS I look at a living organism, I see reminders of many questions that need to be answered. Not all these questions are obviously important, nor would their answers be useful—but we want them answered. Thomas Wright in 1601 said, “Nothing is so curious and thirsty after knowledge of dark and obscure matters as the nature of man”—of scientific men especially, he might have said.