Nova Science Now: Where Did They Come From (2011)
The first episode on this DVD explores the origins of life. A new discovery by chemist John Sutherland is examined as he has created the conditions in which the building blocks of RNA - the probable precursor to DNA - assemble themselves naturally. Episode two looks at the birth of the solar system while episode three is about human evolution and how lice DNA provides a treasure trove of clues about our evolution. The last episode profiles Andre Fenton. Can a simple injection erase a painful memory? Fenton says it can. He hopes that his work can help people with dementia and Alzheimers, and one day illuminate the biological root of memory itself. Each NOVA scienceNOW program is hosted by Neil deGrasse Tyson and tackles one of science's major challenges. Framed as a simple question that ordinary people wonder and worry about, Neil will guide us as he explores dramatic discoveries and the frontiers of research. This documentary from NOVA SCIENCENOW presents a number of short segments on the topic of origins, exploring questions like the conditions that first created life, and the precursors to DNA, the birth of our solar system as we know it, the role lice played in the story of human evolution, and more.
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