Word: kaolinalumina
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Dates: during 1950-1959
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...that they have developed a faster, economical test for which they claim virtually 100% accuracy. Their method follows the same principle as other tests, but with some significant differences: 1) they have developed a simplified technique of getting a stronger, faster-acting hormone preparation by using a chemical called kaolinalumina, which concentrates it from the urine; 2) they use a species of toad (Bufo americanus) as the test animal, because it is cheaper than other animals used and reacts quickly. Performed as early as ten days after suspected conception, the new test produces the reaction in as little...
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