51:59
The Chemistry of Life: Milestones in Genetics
Cells are, in a sense, just tiny bags of chemicals—so what “instructs” them to divide and function? This program shows how biologists addressed the question during the 19th and 20th centuries. Starting with Friedrich Miescher’s discovery of ...
49:39
Hidden kingdom: early discoveries in cell science
It was a businessman, not a trained scientist, who first gained entry to the cryptic world of cells. This program relates the early history of microbiology and genetics, beginning with the story of Antonie van Leeuwenhoek, a 17th-century Dutch texti...