★ IntellektualYlym8:35The Coronavirus Explained & What You Should Do30 awg 202089,0 mlnKurzgesagt – In a NutshellYlym
★ IntellektualYlym7:49The Immune System Explained I – Bacteria Infection30 awg 201454,0 mlnKurzgesagt – In a NutshellYlym
★ IntellektualYlym22:45We sent a balloon to space to film the solar eclipse17 awg 20261,9 mlnVeritasiumYlym