Bound volume for 1980, including articles on: Jan (Changing environment and the Ice Ages - evidence from Kashmir; windspeed and crop response; telematics; molds, mycotoxins and mycotoxicoses), Feb (Slurry and gel explosives, organ transplantation; Calvin Cycle; psychological basis of origin of cancer; singlet molecular oxygen), Mar (Halley's Comet, cardiac devices; chronoendocrinology; quality aspects for drinking water), Apr (Negative absolute temperatures; toxic trace metals in aquatic environments; catalysis by molecular sieve zeolites; winter birds of Dudhwa), May (Thar desert; Indian scientific and technological culture since Independence; locating Mercury in the sky; thermoluminescence radiation dosimetry; opiate peptides), Jun (energy conservation; bio-glass as implant material; discovery of W-boson; vitamin C; medical uses of cyclotrons)