General listening sites and apps
Presentations on all kinds of subjects that take between 4 and 25 minutes. App available.
BBC 6 minute learning
Every day a new video on a varied range of topics, 7 years of archives, so lots of choice.
News site with videos and listening material. App available.
Short videos for curious minds, videos on Youtube, so you can subscribe, between 3 - 8 minutes.
Podcasts with text. History and science. App available, but you can also listen on Spotify.
One of many podcast apps with Podcasts, radio and audiobooks. Also offline.
Others are Podcast Addict and Podcast App.