steam engines 118, 244–5
steel 171, 200, 245
sticklebacks 29
stings 27, 94
stomach 69
stone 103
see also rocks
strangler vines 52, 53
submarines and submersibles
123, 171
sugar, dietary 84, 187
sulfur 93 , 96, 97
Sulla 233
Sun 112, 125, 129, 132, 136–7
see also Solar System
sunflowers 187
supernovas 133
surgery 87 , 120, 247
sweat 74
Sweden 200, 221
swifts 47
swords 240, 241
symbols 258–9
syringe, hypodermic 86T
tadpoles 35, 36
Taiwan 194
Tanzania 193
tapeworms 31
taste 78–9
Taurus 134–5
tea 186 , 193
technology 118–19
tektites 145
telephones 118, 119, 251
telescopes 118 , 124, 125, 146–7
television 119, 250, 264
tendons 66, 67
tests (shell-like structures) 45
Thanksgiving 220
theatres 268–9
thermite 96, 97
thunderstorms 176
tides 104
tigers 55, 56, 57
tin 91, 171 , 202
Titan 140 , 141 , 149
Titania 140, 141
titanium 171
toads 20, 34 , 39 , 259
toadstools 19
Tokyo 222–3
tomatoes 17, 186tools, prehistoric 228–9
tornadoes 176
toucans 47, 198
touch 75, 77, 79
tourism 193, 203, 204, 251
towns 245
see also cities
trachea 70, 71
trainers 87
trains see railways
Trajan 233
transistors 119
transpiration 10
transport 122–3, 208, 251
see also aeroplanes;
cars; motorbikes;
railways; ships
tree frogs 34 , 151, 198
tree rings 13
trees 12–13, 14, 52, 53, 199, 202
triode valves 119
Triton 141
tropics 184, 185
Tsunami 161 , 165
tuataras 41
tundra 184
Tunisia 192, 193
turtles 37 , 41
twentienth century 250–1
twins 83
typewriters 251
typhoons 177U
ultraviolet rays 112
umbilical cord 81
UNESCO (United Nations
Educational, Scientific and
Cultural Organization) 223
Unicorn 259
uniforms 241
United Kingdom 200, 201, 214
see also London
United Nations (UN) 210 , 223, 250
United States of America 196–7,
207, 214, 215, 220
buildings 256
Declaration of Independence
242
landscape 178, 181
pollution 188, 189
presidents 216–17
space programme 148–9,
150–1United States of America
continued
see also California; Las Vegas;
Los Angeles; New York; San
Francisco
Universe 128–9
see also Solar System; space,
outer
Ur 230–1
Uranus 139 , 141, 148, 149
urinary system 69
uterus 80, 81V
vaccination 247
valleys 181
Van Gogh, Vincent 201, 255
Vatican City 223
vegetables 85
veins 72
Venezuela 180, 198, 199
Venus 139 , 148, 149
vertebrates 20 , 28, 58–9
videos 264, 274
Vikings 238, 256
vinegar 94 , 96
vipers 41
vision 77, 78
colour blindness 115
vitamins 84, 85, 92
volcanoes 155, 156, 158–9, 163,
201, 205
lava 158–9, 182, 183
pumice166
Volta, Alessandro 125
votes 215 , 250
vultures 31W
walkmans 250
warfare 121, 240–1, 250
wasps 25, 26–7
water 93, 95, 98, 99, 100–1, 129
wavelengths, electromagnetic
112–15
weapons 224–5, 240–1
prehistoric 228–9
weather 155 , 176–7
Antarctica 205
climate zones 184–5
extreme living 224–5
forecasts 113, 177wedding, traditional 190–1
wedges 117
weight 104
Wernicke’s area 77
whales 30, 55 , 204
wheat 186
wheels 116, 117, 118
whelks 42, 43
windpipe see trachea
wolves 56
women’s rights 251
wood 103
woodlice 33
woodpeckers 47
wool 102
work and workers 231, 250, 251
World Bank 210
World Heritage Sites 223
World Trade Organization 210
World War I 250
World War II 250 , 262
worms 20 , 23, 31
writing 118, 237, 260–1X
X-rays 105, 112, 147Y
Yin Yang 258Z
zebra finches 46
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