Blood Alcohol Content is the legal name for BAC but Blood Alcohol Concentration is sometimes used for simpler description. Blood alcohol content is usually expressed as a percentage of ethanol in the blood in units of mass of alcohol per volume of blood or mass of alcohol per mass of blood, depending on the country.
One way that society controls science is that the government can make certain experiments illegal. Hmm, maybe, but the apex answer is: People pass laws to restrict some research.
They claim that humans are born blank slates and all of their behavior is determined by socialization and other environmental factors. Most social scientists do not see how such human exceptionalism-their tendency to formulate theories specific only to humans-has hindered the development of social sciences.