There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.
sastruga (plural sastrugi)
Any of a series of long, wavelike ridges or grooves formed on a snow surface by the wind, especially in polar plains, and surfaces of ice covered lakes/seas. These dunes of snow may be blown across the plains like wind-driven waves.
Source: Wiktionary
3 July 2025
(noun) the faculty through which the external world is apprehended; “in the dark he had to depend on touch and on his senses of smell and hearing”
There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.