Texas Wikipedia editor Little-known interesting articles A list of interesting topics that are not generally well known: False economy Hercules–Corona Borealis Great Wall Malicious compliance Mathematical universe hypothesis Rare Earth hypothesis Scharnhorst effect Secret sharing Toilet paper orientation Yerkes–Dodson law Zero-energy universe Interesting substances Aspirin Astaxanthin Curcumin Crataegus Crocin (via saffron) Lactobacillus reuteri Melatonin Memantine Metformin Nicotinamide riboside Nicotine (not tobacco) Noopept Phenylpiracetam Propranolol Pterostilbene Pyrroloquinoline quinone Quercetin Telmisartan Theacrine These are not narcotics.