SciShow
Weird Pregnancy Tests (2013x94)
Data emisji: Cze 20, 2013
Hank takes us on a trip through the history of pregnancy tests through the ages, from ancient Egypt to the first home pregnancy tests of the 1970s. It's generally not a very pretty story, but it should help make us very grateful for the modern conveniences we have today.
- Premiera: Sty 2012
- Odcinki: 3678
- Obserwujący: 2