[Verse 1] Up in the sky, nitrogen rides in a cage, Two atoms welded by a triple-bond rage, Seventy-eight percent of the air we breathe, But it won't shake hands, won't bend, won't leave. Farmers watched their fields go hungry and thin, While the gas floated past, too stubborn to bring in. [Chorus] N-two plus three H-two, under iron's command, Two N-H-three rising, bread pulled from barren land, Squeeze it, heat it, two hundred atmospheres tight, Haber bent the stubborn bond and won the nitrogen fight. Remember the numbers, sing them loud and plain: One, three, two — that's the ratio, that's the gain. [Verse 2] Nineteen-oh-nine, a chemist named Fritz Dusted off iron and found where it fits, Five hundred degrees and a crushing embrace, Cracked the triple bond wide open in a tiny steel space. Drop by drop, ammonia started to weep, A harvest coaxed out of a gas fast asleep. [Verse 3] Carl Bosch took the beaker and dreamed it enormous, Built towers of steel standing proud and courageous, But the reaction's reversible, slippery, sly, So Le Chatelier's logic became the reply: Shrink the volume down, push molecules near, Equilibrium shifts, and more product appears. [Chorus] N-two plus three H-two, under iron's command, Two N-H-three rising, bread pulled from barren land, Squeeze it, heat it, two hundred atmospheres tight, Haber bent the stubborn bond and won the nitrogen fight. Remember the numbers, sing them loud and plain: One, three, two — that's the ratio, that's the gain. [Bridge] Half the nitrogen inside your own two hands Came from a reactor, not from fertile sands, Bread from the air, a century of feast, Yet the same bright mind unleashed a different beast: Chlorine clouds crawling low through fields in France, Haber wore two faces, took the deadly chance. One flask feeds a village, one fogs a trench in strife, Chemistry never asks you how to spend a life. [Verse 4] So next time you're eating bread, butter, or rice, Thank a stubborn molecule finally paying its price, Thank the iron, the pressure, the heat turned up high, Thank two brave chemists who taught the air to supply. But hold the whole story, the shadow and the shine — Discovery's a knife that cuts both ways down the line. [Verse 5] Billions now living who never would be, Fed by a bond broken down chemically, Rivers run heavy with runoff and waste, A planet reshaped by the harvest we chased. So weigh out the gifts and the costs side by side, The air became bread, but at what kind of tide? Every molecule made has a story to tell, Of hunger made distant, and balance as well. [Outro] N-two plus three H-two, under iron's command, Two N-H-three rising, bread pulled from barren land, Haber and Bosch, say the names, understand: Bread from the air, built by a human hand.
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