Stool Guaiac Test

Famous quotes containing the words stool and/or test:

“Oh, to have a little house!
To own the hearth and stool and all!
The heaped-up sods upon the fire,
The pile of turf against the wall!”
—Padraic Colum (1881–1972)

“Experimental work provides the strongest evidence for scientific realism. This is not because we test hypotheses about entities. It is because entities that in principle cannot be ‘observed’ are manipulated to produce a new phenomena
[sic] and to investigate other aspects of nature.”
—Ian Hacking (b. 1936)