SciShow
First Kisses and Spring! (2014x44)
Data emisji: Mar 21, 2014
Hank explores the science behind the first kiss -- and all the kisses that come after it -- and also sets you straight about the vernal equinox, what it is, and why this year's is special!
- Premiera: Sty 2012
- Odcinki: 3624
- Obserwujący: 2