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Soil and water being splashed by a raindrop. Petrichor (/ ˈ p ɛ t r ɪ k ɔːr / PET-ri-kor) [1] is the earthy scent produced when rain falls on dry soil.The word was coined by Isabel Joy Bear and Richard Grenfell Thomas [2] from Ancient Greek πέτρα (pétra) 'rock' or πέτρος (pétros) 'stone' and ἰχώρ (ikhṓr), the ethereal fluid that is the blood of the gods in Greek mythology.
Acetone (2-propanone or dimethyl ketone) is an organic compound with the formula (CH 3) 2 CO. [22] It is the simplest and smallest ketone (>C=O).It is a colorless, highly volatile, and flammable liquid with a characteristic pungent odour, very reminiscent of the smell of pear drops.
Freshly fallen snow and heavy rain can all make a rush-hour commute frustrating, but freezing rain is perhaps the most deceiving and destructive of all winter precipitation.
Anosmia is the permanent loss of the sense of smell, and is different from olfactory fatigue. It is a term commonly used in wine tasting , where one loses the ability to smell and distinguish wine bouquet after sniffing at wine continuously for an extended period of time.
After buying a house, Gonzalez recommends reviewing any issues that were flagged on the home inspection report but are not yet fixed. Using the report as a guide, make a list of things to repair ...
Almost eight inches (20 cm) of rain fell in some parts of the most populous city in the U.S., enough to enable a sea lion at Central Park Zoo to swim briefly out of the confines of her pool enclosure.
An old sewer gas chimney in Stonehouse, Plymouth, England, built in the 1880s to disperse sewer gas above residents. Sewer gas is a complex, generally obnoxious smelling mixture of toxic and nontoxic gases produced and collected in sewage systems by the decomposition of organic household or industrial wastes, typical components of sewage.
Thioacetone has an intensely foul odor. Like many low molecular weight organosulfur compounds, the smell is potent and can be detected even when highly diluted. [5] In 1889, an attempt to distill the chemical in the German city of Freiburg was followed by cases of vomiting, nausea, and unconsciousness in an area with a radius of 0.75 kilometres (0.47 mi) around the laboratory due to the smell. [9]