Tác giả: Kristina A. Murati

Substance dependence, or addiction, is a relapsing disorder characterized by the loss of control of drug or alcohol intake, or a compulsion to take the substance, associated with the appearance of a …

Hydraulic fracturing is a technique used to free oil and natural gas trapped underground in low-permeability rock formations by injecting a fluid under high pressure in order to crack the formations. …