Channel tabs & counts

Per-tab counts come from YouTube's public statistics. Only Videos and Playlists have exact public totals. Shorts is estimated from the most recent 25 uploads. Live, Podcasts, Courses, Posts and Store are shown when the tab exists — YouTube does not publish a public count for those.

Channel keywords (from page meta)

Taken from the public channel HTML when YouTube exposes a keywords meta tag.

science physics space infographic animation mathematics chemistry biology explainer education

Channel description

Mapping all human knowledge bit by bit

FAQ — Domain of Science