https://thenextweb.com/syndication/2018/08/02/scientists-are-using-solar-powered-mp3-players-to-fight-diarrhea-in-the-rainforest/

URIDU, a German non-profit social enterprise, is using educational and inspirational music in the fight against the spread of diarrhea in remote regions of the Central African Republic and Congo.

The songs, which are played using the solar-powered MP3 players URIDU developed, are used to sensitize the Aka communities found the CAR and Congo’s rainforests and are performed by indigenous musicians.