Helium (some extra stuff) - Periodic Table of Videos
22:43
Tungsten (new) - Periodic Table of Videos
18:11
Arsenic - Periodic Table of Videos
17:44
The Surprising and Forgotten History of Helium
24:52
What if all the world's biggest problems have the same solution?
9:57
Quantum Cooling to (Near) Absolute Zero
16:08
Animation vs. Physics
22:09
Californium - Periodic Table of Videos
13:45