SciShow
First Kisses and Spring! (2014x44)
Ημερομηνία προβολής: Μαρ 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!
- Πρώτη προβολή: Ιαν 2012
- Επεισόδια: 3763
- Ακόλουθοι: 2