Kosmos Sezon 1 Odcinek 4: A Sky Full of Ghosts

In the first half of the 20th century, pioneering geneticist Nikolai Vavilov traveled five continents to assemble a treasury of the world’s seeds. He dreamed that science could be the means to end hunger, and his refusal to tell a scientific lie cost him his life. Witness the heroism of his colleagues and its impact on our lives in one of the most stirring stories in the history of science.