43:20

Catalan Pitch Competition - Day 1

3:40

Gadolinium - A Fascinating Rare Earth Element

7:14

Tungsten - The Element, Its Ores, Properties and Uses

8:52

Titanium -- Its Fascinating History, Properties and Uses

3:07

Radioactivity of Uranium Ore vs Uranium Metal, Fiestaware, and Uranium Glass

4:16

Magnetic Behavior of Metals - Including Gold and Silver Coins

2:23

Lithium -- The Element and Its Uses

7:42

Chromium-Atomic Structure, Properties, Discovery, Uses and More