Mendeleev'in periyodik tablosunun dahisi - Lou Serico
1:19:27
The man who tried to fake an element
4:39
The most dangerous elements on the periodic table - Shannon Odell
4:53
Can you cheat death by solving this riddle? - Shravan S K
57:35
The Origin of the Elements
5:26
Do you really need to take 10,000 steps a day? - Shannon Odell
4:59
How some friendships last — and others don’t - Iseult Gillespie
21:11
Mein schlimmster Fehler in Japan
2:21:46