SciShow
The Deepest Hole in the World, And What We've Learned From It (2014x69)
Data de estreia: Mai 05, 2014
SciShow takes you down the deepest hole in the world -- Russia's Kola Superdeep Borehole -- explaining who dug it and why, and what we learned about Earth in the process. Don't fall!
- Estreia: Jan 2012
- Episódios: 3679
- Seguidores: 2