Present-day forest biomes, biological communities that are dominated by trees and other woody vegetation (Spurr and Barnes 1980), can be classified according to numerous characteristics, with seasonality being the most widely used. Distinct forest types also occur within each of these broad groups.
The haibun is the combination of two poems: a prose poem and haiku. The form was popularized by the 17th century Japanese poet Matsuo Basho.
Phenibut or beta-phenyl-gamma-aminobutyric acid is a compound commonly sold as a dietary supplement. It is a derivative of GABA (gamma-aminobutyric acid). It is different from GABA since it easily passes through the blood-brain barrier making it work faster. It is sometimes mixed with other natural compounds or herbs in supplements designed to address anxiety and promote relaxation.