Prof. C.K. Raju in Cape Town South Africa on Decolonizing the hard sciences.
See another video on facebook: https://www.facebook.com/uct.src/posts/1605143072870270
For an impression at the university of Kwazulu-Natal:
His talk at Kwazulu-Natal is here.
See the panel discussion here
Here are the sildes of a lecture on decolonizing mathematics that Raju gave in Amsterdam: http://ckraju.net/papers/presentations/critical-collective.pdf.
The lecture and discussing in Amsterdam is here.
And here is the lecture in Berlin on decolonizing time: