10:41
Why Does Ice Float? Why is that Amazing? - [2]
4:08
Pourquoi le verre est-il transparent ? - Mark Miodownik
5:03
Pourquoi l'eau et l'huile ne se mélangent-elles pas ? John Pollard
4:51
Why America still uses Fahrenheit
3:45
Listen to the oldest known recording of a human voice | BBC Global
1:55:27
Worst Fails of the Year | Try Not to Laugh 💩
5:26
Do you really need to take 10,000 steps a day? - Shannon Odell
8:43