CHAPTER 1 Color
Lesson1 How We See Color
Lesson2 Healing with Color
Lesson3 Dyeing Naturally
Lesson4 The Color of Royalty
CHAPTER 2 Salt
Lesson5 A History of Salt
Lesson6 Keeping Winter Roads Safe
Lesson7 The Sea of Salt
Lesson8 Salami and Kimchi
CHAPTER 3 Sound
Lesson9 How We Hear Sound
Lesson10 Silent No More
Lesson11 Listen to This!
Lesson12 Echo and Narcissus
CHAPTER 4 Toilets
Lesson13 The History of the Toilet
Lesson14 World Toilet Day
Lesson15 The Journey of Wastewater
Lesson16 Art from a Urinal
