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21 hours ago · Etymology and common names Beatrix Potter's 1910 story The Tale of Mrs. Tittlemouse features a "bumble bee" called Babbity Bumble The word "bumblebee" is a compound of "bumble" and "bee"—'bumble' meaning to hum, buzz, drone, or move ineptly or flounderingly. The generic name Bombus, assigned by Pierre André Latreille in 1802, is derived from the Latin word for a buzzing or humming sound ...
21 hours ago · Cisplatin ( [Pt (NH3)2Cl2) is a widely used anticancer drug. Ammonia is a ligand forming metal ammine complexes. For historical reasons, ammonia is named ammine in the nomenclature of coordination compounds. One notable ammine complex is cisplatin ( Pt (NH3)2Cl2, a widely used anticancer drug.
21 hours ago · Stellar classification. In astronomy, stellar classification is the classification of stars based on their spectral characteristics. Electromagnetic radiation from the star is analyzed by splitting it with a prism or diffraction grating into a spectrum exhibiting the rainbow of colors interspersed with spectral lines.
21 hours ago · Biodiversity is commonly measured in terms of taxonomic richness of a geographic area over a time interval. In order to calculate biodiversity, species evenness, species richness, and species diversity are to be obtained first. Species evenness [209] is the relative number of individuals of each species in a given area.
21 hours ago · The Napoleonic Wars (1803–1815) were a series of conflicts fought between the First French Empire under Napoleon Bonaparte (1804–1815) and a fluctuating array of European coalitions. The wars originated in political forces arising from the French Revolution (1789–1799) and from the French Revolutionary Wars (1792–1802), and produced a ...
