20:31

Extracting mercury from contaminated water

24:00

Making Trimethylamine - The Stench of Rotting Fish

14:02

A Leaf Made of... Meat??

10:40

Iodine From Seaweed

25:27

How Japanese Masters Turn Sand Into Swords

24:29

Make Your Own Optical Lenses

22:40

Making sunscreen from scratch

45:56

Turning paint thinner into cherry soda