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Listen to native speakers pronounce “john tyndall” in real conversational contexts with synchronized timestamps and subtitles.
And climate deniers today, from Ted Cruz to Rand Paul to Bobby Jindal, might say, bounce back off of what?Introducing John Tyndall. In the 1860s Tyndall investigated methane and CO2 and water vapor to see whether any of themblock infrared radiation, and they all do.