Long pages

Showing below up to 20 results in range #21 to #40.

21. (hist) ‎Humans ‎[3,198 bytes]
22. (hist) ‎How many individuals could there be on earth? ‎[2,644 bytes]
23. (hist) ‎Conditions of sustainable civilizations ‎[2,633 bytes]
24. (hist) ‎Materials ‎[2,397 bytes]
25. (hist) ‎Economic growth ‎[2,318 bytes]
26. (hist) ‎Pledge ‎[2,312 bytes]
27. (hist) ‎Civilization ‎[2,292 bytes]
28. (hist) ‎Ways to preserve ideas ‎[2,189 bytes]
29. (hist) ‎Consumption ‎[2,163 bytes]
30. (hist) ‎Entropy ‎[1,973 bytes]
31. (hist) ‎Resilient ‎[1,822 bytes]
32. (hist) ‎Status ‎[1,769 bytes]
33. (hist) ‎Assumptions ‎[1,636 bytes]
34. (hist) ‎Waste ‎[1,627 bytes]
35. (hist) ‎Assumption ‎[1,234 bytes]
36. (hist) ‎Events beyond any civilization's control ‎[1,119 bytes]
37. (hist) ‎Religion ‎[1,113 bytes]
38. (hist) ‎Coexistence of different civilizations on this planet for millions of generations ‎[1,037 bytes]
39. (hist) ‎Human lifespan ‎[674 bytes]
40. (hist) ‎Life ‎[550 bytes]