Fragmented pottery unearthed in a rockshelter in east central Colorado has revealed traces of salicylic acid, a substance derived from willow bark that’s the natural precursor to modern-day aspirin. Dated…
Read MoreFragmented pottery unearthed in a rockshelter in east central Colorado has revealed traces of salicylic acid, a substance derived from willow bark that’s the natural precursor to modern-day aspirin. Dated…
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