the 22 amino acids were present 50 years ago, just not detectable by Miller/Urey?
Exactly that. Miller looked for his by running paper chromatography and spraying ninhydrin on the paper with a scientific-looking Windex bottle - and probably turned some fingers purple in the process. State-of-the-art in 1953, but already near-obsolete by the time I got to college in '65. The new study's methods are at least 10,000 times as sensitive.
"The wretched world lies now under the tyranny of foolishness; things are believed by Christians of such absurdity as no one ever could aforetime induce the heathen to believe." - Agobard of Lyons,
ca. 830 AD
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