Daniel Kish: How I use sonar to navigate the world
Daniel Kish has been blind since he was 13 months old, but has learned to "see" using a form of echolocation. He clicks his tongue and sends out flashes of sound that bounce off surfaces in the environment and return to him, helping him to construct an understanding of the space around him. In a rousing talk, Kish shows how this works -- and ask...
Andrew Leland: Blindness isn't a tragic binary — it's a rich spectrum
When does vision loss become blindness? Writer, audio producer and editor Andrew Leland explains how his gradual loss of vision revealed a paradoxical truth about blindness -- and shows why it might have implications for how all of us see the world.
Daniel Caiche: O direito à floresta urbana
A pandemia escancarou a desigualdade de acesso a áreas verdes. Já parou pra pensar no impacto que as áreas verdes tem nas nossas vidas?