At the time, there was a new drug called sulfa drugs that were kind of a forerunner of antibiotics. But they were generally packaged in this bulky pill format,
Steven Johnson: How humanity doubled life expectancy in a century | TED · TED
How native speakers pronounce “forerunner”
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At the time, there was a new drug called sulfa drugs that were kind of a forerunner of antibiotics. But they were generally packaged in this bulky pill format,
Steven Johnson: How humanity doubled life expectancy in a century | TED · TED