1. p-type material, 1
2. Pacific Ocean, 1, 2, 3
3. palaeoanthropology, 1
4. panspermia, 1 n. 2
5. parabola, 1 n. 10
6. parasites, 1, 2, 3, 4 n. 9
7. Paramecium, 1
8. Paris, 1
9. particle accelerators, 1
10. particle physics, 1, 2, 3
11. particles, subatomic, 1, 2, 3, 4, 5, 6, 7, 8, 9;
    1. see also antiparticles, leptons, muons, quarks, taus
12. Pauli Exclusion Principle, 1, 2, 3 n. 19, 4 n. 11, 5 n. 15
13. pea plants, 1, 2
14. peacock, 1 n. 1
15. pelvis, 1
16. Penrose, Roger, 1, 2 n. 10
17. personality, 1
18. pharmaceutical industry, 1
19. philosophy, 1, 2
20. phosphorus, 1
21. photino, 1
22. photography, 1 n. 6
23. photolithography, 1
24. photons, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 n. 12, 16 n. 5, 17 n. 10, 18 n. 8, 19 n. 14;
    1. virtual, 1 n. 11
25. photoresistance, 1, 2 n. 11
26. photosynthesis, 1, 2, 3, 4 n. 6;
    1. artificial, 1
27. physics and physicists, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32,  33, 34, 35, 36, 37, 38, 39, 40, 41 n. 5, 42 n. 10, 43 n. 10, 44 n. 2, 45 n. 5, 46 n. 2, 47 n. 7, 48 n. 5;
28. 1. see also particle physics
29. physics, laws of, 1, 2, 3, 4, 5, 6, 7, 8, 9 n. 6, 10 n. 8, 11 n. 9
30. Picasso, Pablo, 1
31. pigs, 1, 2, 3, 4
32. Pink Floyd, 1, 2
33. Pinker, Steven, 1
34. Pisa, Tower of, 1
35. piston, 1, 2, 3 n. 5, 4 n. 8, 5 n. 14
36. pit viper, 1
37. Planck’s constant, 1 n. 9
38. planetesimals, 1 n. 5
39. planets, 1;
    1. formation, 1 n. 5;
    2. orbits of, 1, 2, n. 18;
    3. shape, 1 n. 2
40. plants, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 n. 2 supra;
    1. poisons, 1;
    2. reproduction, 1, 2, 3;
    3. see also farming
41. plate tectonics, 1, 2 n. 7
42. plutonium, 1, 2
43. Polanyi, Karl, 1;
    1. The Great Transformation, 1
44. Polaris, 1 n. 17
45. politics, 1, 2, 3, 4
46. pollen, 1 n. 11
47. pollution, 1
48. population growth, 1, 2, 3
49. potassium, 1, 2
50. poverty, 1
51. power stations, 1, 2, 3 n. 17;
    1. see also nuclear power
52. precession, 1 n. 17
53. predictability, 1
54. pre-evolution, 1
55. pregnancy, 1
56. pressure, 1, 2, 3, 4 n. 11;
    1. see also air: pressure
57. primates, 1, 2
58. Principe, 1
59. Prisoner, The, 1
60. privatisation, 1 n. 2
61. Proceedings of the Natural History in Brünn, profit, see capitalism: profit
62. prokaryotes, 1, 2, 3, 4, 5, 6, 7 n. 10;
    1. see also Thiomargarita namibiensis
63. protectionism, 1
64. proteins, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 n. 5; 12 n. 10;
    1. broken, 1;
    2. complexes, 1;
    3. expression, 1, 2, 3, 4, 5, 6;
    4. machinery, 1;
    5. modification, 1;
    6. and RNA, 1 n. 4;
    7. shape change, 1 n. 7;
    8. structure, 1;
    9. transporter proteins, 1;
    10. see also histones, ion channels, MC1R, tubulin
65. protons, 1, 2, 3, 4, 5, 6, 7 nn. 6, 7; 8 n. 2, 9 n. 3, 10 n. 7;
    1. positive electric charge, 1, 2
66. protozoans, 1
67. Prout, William, 1
68. PSR B1913+16 (binary pulsar), 1
69. public services, 1 n. 2
70. Publius Scipio, 1
71. Pugh, Emerson M., 1
72. pulley, 1
73. pulsars, 1, 2 n. 3;
    1. see also PSR B1913+16
74. PVC, 1 n. 17
75. Pyramids, 1, 2 n. 17