What types of information did mass media bring to people homes during the 1920s?

Which leader was the first african american president at two different institutions for higher learning

An experimenter is examining the relationship between age and self-disclosure. a large sample of participants that are 25 to 35 years old and participants that are 65 to 75 years old are compared, and significant differences are found with younger participants disclosing much more than older people. the researcher reports an effect size of .34. what does this mean

List three reasons why people might be fascinated by something as dangerous as a nuclear weapon.