SciShow

SciShow

Weird Pregnancy Tests (2013x94)


Date de diffusion: Jun 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.

  • Première: Jan 2012
  • Épisodes: 3680
  • Abonnés: 2
  • En cours
  • YouTube
  • Daily