| A Note from the Authors | XIII |
| Language Recognition | XV |
| Introduction | 1 |
| It's a Turtle! | 1 |
| Traditional Knowledge and Technology-STEM | 4 |
| All My Relations | 4 |
| Elders, Knowledge Keepers, and Ways of Knowing | 5 |
| Breaks in Knowledge and Technology | 6 |
| Traditional Knowledge: Hiding in Plain Sight | 8 |
| Traditional Knowledge: Just Plain Hiding | 9 |
| Our Future Together | 9 |
Chapter 1 | Sustainable Land Management and Ecology | 11 |
| Mending a Misconception | 13 |
| Sustaining Ecosystems: Why Cultural Burning Is Beneficial | 16 |
Chapter 2 | Transportation | 19 |
| Geography of Turtle Island | 20 |
| Canoes | 21 |
| What Makes Canoes Better Than Wooden Boats? | 22 |
| Building a Birchbark Canoe | 23 |
| Dogsleds | 25 |
| Friction | 27 |
| Lifesaving Emergency Vehicles | 28 |
| Kayaks | 28 |
| Umiaq | 30 |
| Inuit Technology Takes Flight and Dives Deep | 31 |
| Travois | 32 |
| Bull Boats | 33 |
| Activity: Whatever Floats Your (Bull) Boat! | 34 |
| Toboggans | 36 |
| Bending and Shaping Wood | 36 |
Chapter 3 | Communications Technology | 38 |
| Wampum Belt | 39 |
| Wampum Strings | 41 |
| Recording History Today: The UN Declaration on the Rights of Indigenous Peoples Wampum Belt | 41 |
| Tools Engineering History: The Pump Fire Drill | 42 |
| Plains Indian Sign Language | 43 |
| Activity: Learn Plains Indian Sign Language | 44 |
| Books | 47 |
| Making Paper the Mesoamerican Way | 47 |
| Write This Down! | 48 |
| Petroglyphs | 48 |
| Hieroglyphs | 49 |
| Pictograms | 50 |
| Birchbark Scrolls | 50 |
| The Winter Count | 51 |
| Activity: Learn to Read a Pictographic Story | 52 |
| Activity: Write Your Own Pictogram Language and Story | 54 |
| Inuksuk | 55 |
| Totem Poles | 55 |
| Saanich Totem Pole Symbols | 57 |
Chapter 4 | Agriculture and Food Technology | 58 |
| Corn | 59 |
| Grow. Eat. Spread. Repeat | 60 |
| Biochemistry Breakthrough! | 60 |
| Popcorn | 62 |
| Gum | 62 |
| Why Can't You Find Chocolate-Covered Gum? | 63 |
| Chinampas | 64 |
| Building a Chinampa Step-by-Step | 64 |
| Ingenious Irrigation | 65 |
| Milpa | 65 |
| A Well-Balanced Diet | 65 |
| A Well-Balanced Ecosystem | 66 |
| Seeds Survive | 67 |
| Maple Syrup | 67 |
| Birchbark Bowls and Buckets | 67 |
| Cooking Without Electricity: Indigenous Thermodynamics | 68 |
| A Great Source of Energy-and Water | 68 |
| Maple Sugar Products | 69 |
| The Tap Ceremony | 69 |
| Tradition Meets Technology | 70 |
| Chocolate | 70 |
| Activity: Make Mexica Hot Chocolate | 72 |
| Sacred Tobacco | 73 |
| The Four Medicines | 73 |
| What Is a Tobacco Offering? | 74 |
| Bison Hunt Technology | 75 |
| Attracting Bison: Dung Dos and Don'ts | 75 |
| Nature's Fertilization | 75 |
| Industrial-Scale Bison Traps | 76 |
| Microbiology and Meat Preservation | 77 |
| Storage | 78 |
| Fish Capture Technology | 78 |
| Fish Traps and Weirs | 79 |
| Industrial-Scale Fish Traps | 80 |
| Understanding K'ómoks Estuary Fish Traps | 81 |
| Fishhooks | 81 |
| The Halibut Hook | 82 |
| The Perfect Catch: Sustainable Aquaculture | 83 |
| Toggle Harpoon | 84 |
| Float Technology | 85 |
Chapter 5 | Health Sciences | 86 |
| Hygiene and Preventive Medicine | 87 |
| "It's Organic": Traditional Indigenous Cleaning Products | 89 |
| Nutrition Science | 90 |
| Eating Off the Land | 90 |
| Medicines | 92 |
| Cough Medicine | 92 |
| Datura | 93 |
| Salicin | 93 |
| Capsaicin | 94 |
| Capsaicin Chemistry | 94 |
| Scurvy Cure | 95 |
| A Lifesaving Decoction | 95 |
| Emergency Medicine | 96 |
| Mesoamerican Operations | 96 |
| Moldy Medicines | 97 |
| Orthopedics | 98 |
| The Physics of Healing | 98 |
| Orrhopedic Casts | 99 |
| Surgery | 100 |
| Amputation | 100 |
| Brain Surgery | 101 |
| The Hidden History of Syringes | 101 |
| Obstetrics | 102 |
| Spores, Sores, and Disinfectant | 103 |
| Spiritual Healing | 103 |
| Shamanism and Rituals | 103 |
| Let's Talk About It | 106 |
| Dentistry | 106 |
| Less Sugar | 107 |
| More Water | 107 |
| Human Teeth and Snail Shells: Chemical Cousins | 107 |
| Salt Water: Nature's Mouthwash | 108 |
| Activity: Make Your Own Antibacterial Mouthwash the Mayan Way | 108 |
| "Open Wide!": Dental Hygiene on Turtle Island | 109 |
| What's in Your Toothpaste? | 110 |
Chapter 6 | Textile Technology, Clothing, and Fashion | 111 |
| From Animal Skin to Leather, and Fibers to Fabric: Pioneering Industrial Design | 112 |
| Tanning | 113 |
| Brains, Trees, and Urine | 113 |
| Smoking | 114 |
| Weaving | 115 |
| Activity: Paper-Weaving Craft | 116 |
| Sewing Tools | 118 |
| Needles, Awls, Threads, and Knives | 118 |
| Ulu | 119 |
| Indigenous Fashion (and Function) | 120 |
| Underwear | 120 |
| Leggings, Moccasins, and Robes | 121 |
| Beads and Ornaments | 121 |
| Beading as Medicine | 123 |
| Hair Extensions | 124 |
| Mukluks | 125 |
| Parkas and the Layered Look | 125 |
| The Physics of Fur | 126 |
| Snow Goggles | 127 |
| The Optics of Sight and Sun Protection | 127 |
| Snowshoes | 129 |
| How to Build Snowshoes | 129 |
| Crampons | 130 |
| Babiche Bags | 130 |
| Sandals | 131 |
| Dyes: Sourcing and Staining Colors Across Turtle Island | 132 |
| Seeing Red | 134 |
| Cotton: Indigenous Clothing and a World-Famous Crop | 134 |
| The Anatomy of Cotton | 135 |
| Breeding Cotton After Colonial Contact | 135 |
| The Power of Inertia: Spindle, Whorl, and Loom | 135 |
| A Blanket of Dog Hair | 136 |
| Products of the Loom: Aztec Clothing | 136 |
Chapter 7 | Architecture and Civil Engineering | 137 |
| Adobe Apartment Buildings | 137 |
| Historic Homes: Adobes of the Southwest | 138 |
| Lasting Design | 139 |
| Water Systems | 140 |
| Olmec Aqueducts | 140 |
| Four Miles of Irrigation | 140 |
| Clean Drinking Water | 141 |
| Drainage Systems | 142 |
| Bridges | 142 |
| Canals | 143 |
| Earth Lodges | 144 |
| Igloos | 144 |
| Physics, Thermodynamics, and Dimensions | 145 |
| Family Homes, Kennels, and Hunting Shelters | 148 |
| Igloos Today | 148 |
| Lighthouses | 149 |
| The Geometry of Survival at Sea | 149 |
| Pyramids | 151 |
| Roads | 152 |
| Seawalls | 153 |
| Tipi | 153 |
| Double-Wall Construction | 155 |
| Legacy of the Tipi Today | 155 |
| Wigwams | 156 |
| Concrete Chemistry | 157 |
| Passive Air-Conditioning | 158 |
| Shade | 159 |
| Water and Air | 159 |
| Cold Storage | 159 |
| Plumbing and Sanitation | 160 |
| Wood Preservation | 160 |
Chapter 8 | Hunting and Combat Technology | 162 |
| Atlatl | 162 |
| Bow and Arrow | 164 |
| Get to Know the Bows of Turtle Island | 165 |
| Axes | 166 |
| War Club | 166 |
| Shields | 167 |
| Bolas | 168 |
| Blowguns | 168 |
| How Blowguns Are Built | 169 |
| Poisons | 169 |
| Pick Your Poisons | 170 |
| Warriors' Body Armor | 170 |
| The Tlingit Warriors' Code | 172 |
| Aztec Warrior Education | 173 |
| Cotton Body Armor | 174 |
| Aztec Warrior Clothing | 175 |
| Aztec Shields | 176 |
| Obsidian Sword | 176 |
| Special Forces | 177 |
Chapter 9 | Mathematics | 178 |
| Maya Mathematics | 178 |
| Counting on Fingers (and Toes?) | 179 |
| The Philosophy of Zero | 179 |
| Maya Numeric Symbols | 180 |
| Activity: Count and Calculate the Maya Way | 181 |
| Indigenous People and the Space Program | 182 |
| Aztec Arithmetic | 183 |
| Geometry…for Taxes | 183 |
| Activity: How Much Land Would the Aztec Tax? Do the Math! | 184 |
| Answers: Count and Calculate the Maya Way | 185 |
| Answers: How Much Land Would the Aztec Tax? | 185 |
Chapter 10 | Arts, Sports, and Recreation | 186 |
| Wheels, Whistles, and Sculptures | 186 |
| Wheels for Fun, Not Transportation | 187 |
| Sculpting Jade | 189 |
| Copper Culture | 190 |
| Beyond Beauty: What Copper Crafts Teach Archaeology | 190 |
| Lost Wax Casting | 192 |
| Acid Etching | 192 |
| Musical Instruments | 193 |
| Indigenous Instruments…in Space! | 193 |
| The History of Hoops and Rubber | 194 |
| Toys and Amusement | 195 |
| Spinning Tops | 195 |
| Whoopee Cushion | 196 |
Chapter 11 | Traditional Ecological Knowledge and Our Sustainable Future | 198 |
| Wildlife Conservation | 199 |
| Ecocultural Restoration of Bison | 199 |
| Bison and the Prairie Ecosystem | 201 |
| Additional Wildlife Conservation Projects | 202 |
| Landscape Stewardship | 203 |
| Yurok Sustainable Forestry and Climate Change | 203 |
| Seminole Everglades Restoration Initiative | 204 |
| InterTribal Sinkyone Wilderness Council | 205 |
| Santa Clara Pueblo's Conservation Program | 206 |
| Water: Our Relative | 207 |
| Restoring Indigenous Foodways | 208 |
| Forest Gardens | 208 |
| Chinampa Restoration | 211 |
| Ecological Degradation | 213 |
| Land Guardians | 214 |
| Help Wanted! Responsibilities of a Land Guardian | 215 |
| Corporations Employing Indigenous Knowledge: De Beers at the Gahcho Kué Mine | 215 |
| Epilogue | 217 |
| Acknowledgments | 221 |
| Map | 224 |
| Cultural Areas and Peoples Referenced | 225 |
| Glossary | 229 |
| Indigenous Science Today: Contemporary Indigenous Science Organizations | 241 |
| Selected Bibliography | 243 |
| Source Notes | 245 |
| Index | 253 |