The Art of Preserving Health

The blood, the fountain whence the spirits flow, The generous stream that waters every part, And motion, vigour, and warm life conveys To every Particle that moves or lives; This vital fluid, thro' unnumber'd tubes Pour'd by the heart, and to the heart again Refunded; scourg'd forever round and round; Enrag'd with heat and toil, at last forgets Its balmy nature; virulent and thin It grows; and now, but that a thousand gates Are open to its flight, it would destroy The parts it cherish' d and ...

 How Science is Different from Any Other Human Enterprise

Science is different from many another human enterprise - not, of course, in its practitioners' being influenced by the culture they grew up in, nor in sometimes being right and sometimes wrong (which are common to every human activity), but in its passion for framing testable hypotheses, in its search for definitive experiments that confirm or deny ideas, in the vigour of its substantive debate, and in its willingness to abandon ideas that have been found wanting. If we were not aware of our...