What is iodine? -- Section 1: Iodine products which are deeply rooted in our everyday life -- Section 2: Iodine reacts with most elements -- Section 3: Iodine was discovered in France -- Section 4: Changes in the methods to produce iodine -- Section 5: Japan is the second largest iodine producer in the world -- Section 6: Iodine is harvested along with natural gas -- Section 7: Harvesting iodine from ancient seawater! -- Section 8: Iodine can be harvested from saltpeter in Chile -- Section 9: Iodine is recycled -- Section 10: Iodine circulated around the earth -- Column 1: Was the efficacy of iodine known since ancient times? -- Iodine around us -- Section 11: Iodine in mouthwash -- Section 12: Antibacterial properties and gas masks containing iodine -- Section 13: antibacterial agents containing iodine -- Section 14 -- Cyclodextrin captures iodine -- Section 15: Iodine compounds for mold exterminations -- Section 16: Iodine in food coloring -- Section 17: Iodine is essential for humans and animals -- Section 18: Why is iodine concentrated in seaweed? -- Column 2: The accidental discovery of Iodine compound herapathite -- Iodine which sustains electronic and information materials -- Section 19: Using iodine to develop next-generation semiconductors -- Section 20: Iodine in the manufacture of LCD projectors -- Section 21: Iodine is indispensable for modern information equipment -- Section 22: Using iodine compounds to synthesize materials that can transport charge -- Section 23: Iodine in liquid crystal displays for a clear view even at an acute angle -- Section 24: Using iodine to create graphite -- Column 3: Iodine-enriched products -- Using iodine for analysis -- Section 25: Chemical reactions learned in science class -- Section 26: Measuring iodine concentration -- Section 27: How to measure iodine ion concentration -- Section 28: The Properties of fats and oils can be clarified with iodine -- Section 29: Moisture analysis and iodine -- Section 30: Using iodine to measure radiation -- Section 31: Examining iodine structures by means of light -- Section 32: Nondestructive measurement of iodine concentration -- Column 4: Iodine compounds as a remedy for Alzheimer disease? -- Innovative industrial technology starts with iodine -- Section 33: Iodine used to synthesize acetic acid -- Section 34: Iodine: Indispensable for the synthesis of water repellents -- Section 35: Iodine: Behind global inventions -- Section 36: Iodine for nylon stabilizers -- Section 37: Lithography using iodonium compounds -- Section 38: Iodine compounds used in fire extinguishing agents -- Sections 39: Iodonium salt for the three-dimensional printers -- Section 40: Metal iodides are the new reactants -- Section 41: Hypervalent iodine oxidants are extremely safe -- Section 42: Precise polymerization with iodine compounds -- Section 43: Methods to synthesize organic iodine compounds -- Column 5: Detecting counterfeit money with iodine -- Iodine is needed to maintain health -- Section 44: the role of iodine in pharmaceuticals -- Section 45: Iodine for preoperative sterilization -- Section 46: Iodine compounds as an antiprotozoan remedy -- Section 47: Iodine-based contrast agents for brain and heart examinations -- Section 48: Stable iodine protects against radioactive iodine -- Section 49: Radioactive iodine as therapeutic and diagnostic drugs -- Section 50: Iodine lithium batteries used in the medical field -- Section 51: An iodine inclusion complex for bedsore treatment -- Column 6: Iodine compounds appear in ancient history -- Iodine for vegetable production and livestock breeding -- Section 52: Iodine compounds for livestock feed additives -- Section 53: Iodine-based sterilizers used during milking -- Section 54: Iodine is useful as a weed killer -- Section 55: Iodine prevents diseased in vegetables -- Section 56: Vegetable safety comes from iodine -- Section 57: Iodine sterilization system for agriculture -- Section 58: Rainfall made possible with iodine -- Column 7: Exploiting urban mines with iodine -- Next-generation technology starts with iodine -- Section 59: Iodine is the deciding factor for next-generation solar cells -- Section 60: Iodine and nuclear power-generated waste heat used to produce hydrogen -- Section 61: Iodine for water purification in space crafts -- Section 62: Cross-coupling made possible with iodine -- Section 63: Iodine laser -- Section 64: Molecular design with halogen bonding of iodine - Section 65: Development of new drugs from marine iodine compounds? -- Column 8: Perovskite solar cells.