30 ms·

https://www.youtube.com/watch?v=dymPP9RhPjw https://www.youtube.com/watch?v=dymPP9RhPjw A talk by Hans Rosling[1] on the subject. [1]: https://en.wikipedia.or

by exch 11y ago

https://www.youtube.com/watch?v=dymPP9RhPjw https://www.youtube.com/watch?v=dymPP9RhPjw A talk by Hans Rosling[1] on the subject. [1]: https://en.wikipedia.org/wiki/Hans_Rosling https://en.wikipedia.org/wiki/Hans_Rosling