A substance poisonous to humans — hydrogen cyanide — may have helped create the seeds of life on Earth. At cold temperatures, hydrogen cyanide forms crystals. And, according to computer models ...
Suggested Citation: "B15 Hydrogen Cyanide." National Research Council. 2000. Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants: Volume 4. Washington, DC: The National ...
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