biweekly: a periodical that is published twice a week or every two weeks (either 104 or 26 issues per year)
series: a periodical that appears at scheduled times
miranda rule: the rule that police (when interrogating you after an arrest) are obliged to warn you that anything you say may be used as evidence and to read you your constitutional rights (the right to a lawyer and the right to remain silent until advised by a lawyer)