Everything Matters | Gallium | Ron Hipschman | Exploratorium
25:16
Everything Matters | Beryllium | Ron Hipschman | Exploratorium
31:05
Everything Matters | Cobalt | Ron Hipschman
39:29
Everything Matters: Germanium With Ron Hipschman
9:44
¿Cómo es realmente el pensamiento matemático?
51:49
Kathy Loves Physics Live! Crazy Electricity Wizards of the 1700s
25:27
Everything Matters - Tales From The Periodic Table: Indium
39:45
Everything Matters | Zinc | Dr. Janet King | Exploratorium
26:34