Word of the day: "pappus" - scientific term for the feathery "parachute" that allows each dandelion seed to take flight & wind-disperse. Dandelion seeds are design-miracles: micro-aircraft designed to auto-destruct on landing, breaking beak (stem) & pappus away from seed. pic.twitter.com/Dnq3bObdsn— Robert Macfarlane (@RobGMacfarlane) May 14, 2019
Tuesday, May 14, 2019
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