Science: Chemical Milestone

Ever since the almost magical therapeutic properties of cortisone were recognized in 1948, one of the most extensive research programs in medical history has been aimed at finding a real supply of the new wonder drug. The only known way of producing it is through an intricate chemical process of 30-odd steps starting with cattle bile. And the yield is so small that several dozen head of cattle are needed to produce one average daily dose for one patient. But last week Harvard's Professor Robert B. Woodward announced that he had reached the first milestone on the road to making synthetic...

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