ScienceTomorrow Today - The Science MagazineTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience09/07/2019September 7, 2019We go exploring along the Orinoco, in the last episode of our tribute to the great naturalist and geographer Alexander von Humboldt, who mapped much of the river in 1800. We are celebrating the 250th anniversary of his birth.https://p.dw.com/p/3PBmJAdvertisement