The Mosquito
Videos
The Mosquito or Mosquito alarm is a machine used to deter loitering by emitting sound at high frequency. In some versions, it is intentionally tuned to be heard primarily by younger people. Nicknamed
A Mosquito device mounted outside a store in Philadelphia
Adolescence
Videos
Adolescence is a transitional stage of human physical and psychological development that generally occurs during the period from puberty to adulthood. Adolescence is usually associated with the teenag
Two adolescents listening to music using earphones
Upper body of a teenage boy. The structure has changed to resemble an adult form.
G. Stanley Hall
The Sisters, by James Collinson