246 Index
Gravitation. See Accelerating universe; Air
pressure; Conservation of energy; Law
of falling objects; Laws of motion;
Quasars and pulsars; Theory of
relativity; Universal gravitation; Weak
and strong force
Gravitational pull
accelerating universe, 218–19
black holes, 140–41
existence of planets around other stars, 215
Gravitons
weak and strong force, 172
Gulf Stream, 40–41
Gutenberg, Beno
Earth’s core and mantle, 136–37
Guyots, 199–200
Half-life
radioactive dating, 119
Harvey, William
circulatory system, 15–16
Health. See Dietary health
Heart
circulatory system, 15
Heat. See also Nature of heat;
Thermodynamics
atomic light signatures, 81–82
calories, 71–72
conservation of energy, 74
fusion, 192–93
metabolism, 174
semiconductor transistor, 183–84
Heisenberg, Werner
Uncertainty Principle, 153–54
Helium. See Liquid helium
Heredity. See also Genes; Human genome
cell division, 92–93
importance of, 86
origins of discovery, 86–87
Herschel, Frederick
Infrared (IR) light, 55–56
Herschel, William
galaxies, 36–37
Hess, Harry
seafloor spreading, 199–200
Hewish, Antony. See also Bell, Jocelyn
pulsars, 205–6
Hooke, Robert
existence of cells, 21–22
Hopkins, Frederick
vitamins, 117–18
Homo sapiens, 33
Hormones. See also Insulin
importance of, 109
origins of discovery, 109–10
Hubble, Edwin
expanding universe, 150–52
Human anatomy. See also Circulatory
system; Existence of cells; Fossils
genes, function of, 168
importance of, 7
metabolism, 174–75
origins of discovery, 7–8
vitamins, 117–18
Human evolution
importance of, 146
origins of discovery, 146–47
Human genome
DNA, 196
importance of, 220
origins of discovery, 220–21
Human species
DNA, 196–97
order in nature, 33
Humanoids
human evolution, 147
Humidity
atmospheric layers, 107–8
Hutton, James
erosion of Earth’s surface, 51–52
Hydrogen bomb
fusion, 192–93
Ice ages
importance of, 69
origins of discovery, 69–70
Iguanodon, 68
Immune system
antibiotics, 124–25
Infections. See Antibiotics; Bacteria;
Diseases; Penicillin; Vaccinations;
Viruses
Influenza
penicillin, 159
Information. See Definition of information
Information Age
definition of information, 188
Information streams
definition of information, 189