Hearing range 60 decibels, the hearing range for the Senegal bushbaby is 92 Hz–65 kHz, and 67 Hz–58 kHz for the ring-tailed lemur. Of 19 primates tested, the Japanese macaque had the widest range, 28 Hz–34.5 kHz, compared with 31 Hz–17.6 kHz for humans. Cats have excellent hearing and can detect an extremely broad range of frequencies. They can hear higher-pitched sounds than humans or most dogs, detecting frequencies from 55 Hz up to 79 kHz. Cats do not use this ability to hear ultrasound for communication but it is probably important in hunting, since many species of rodents make ultrasonic calls.
Above the Influence funding and oversight of Above the Influence ceased, and it transitioned to become a program of the not-for-profit Partnership for Drug-Free Kids. In 2006, the Government Accountability Office released the results of a five-year study, concluding that the previous "My Anti-Drug" campaign was ineffective, and likely counterproductive, leading those exposed to an increased perception that others use marijuana, stating, "analysis also indicated that among current, non-drug-using youth, exposure to the campaign had unfavorable effects on their anti-drug norms and perceptions of other youths’ use of marijuana — that is, greater exposure to the campaign was associated with weaker anti-drug norms