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  1. Skies over the marsh
  2. Cerebral cortex nerve cells
  3. Warwick Castle in the Fog
  4. Moods of Morning light
  5. Thomas Edison, US inventor
  6. Shattered Geometry
  7. Homo ergaster
  8. Great Auk (Pinguinus impennis), engraving
  9. Home to Roost
  10. Historical Proof Of Pythagoras' Theorem
  11. Three Flying Heron
  12. Indonesia, A morning scene from the famous 9th century Buddhist temple at Borobudur
  13. India, Madhya Pradesh, Chauragarh, nr Pachmarhi, Numerous tridents, or trishulas
  14. Early petrol locomotives
  15. Lines and Curves
  16. India, Rajasthan, Jaipur, Amer, Decorated elephants stride down the narrow paved road
  17. 1770 Cuvier Maastricht Mosasaur
  18. Francesco Sforza, military leader
  19. 1858 Prehistoric marine reptiles
  20. Close-Up Of A Series Of Waterfalls, Soft Blur Of Flowing Water Over Black Rock, Iceland
  21. Propeller cavitation
  22. Between Two Hearts
  23. Perpetual motion machine of von Kranach
  24. John Knox, Scottish theologian
  25. Ford Model T Car
  26. Gregor Mendel, caricature
  27. Mathematical diagrams, 17th century
  28. Geese Over The River
  29. Pill Bug (Armadillidium Vulgare), SEM
  30. Yosemite National Park, California, Fresh snow on conifers along Merced River
  31. Indonesia, Tanjung Puting National Park, A mother and baby Bornean Orangutan
  32. Just a dream
  33. India, Rajasthan, Ranthambhore, A female Bengal tiger is greeted by one of her cubs
  34. Torso bones
  35. Vietnam, Ha Long Bay, Sunset among the two thousand limestone Karst islands
  36. Wernher von Braun, German rocket designer
  37. Peru, Andes, Cordillera Vilcabamba, Nevado Salkantay At well over 6000m high
  38. Tesla's Wardenclyffe Tower Laboratory, 1900s
  39. Marconi radio apparatus
  40. Stonehenge, 17th century artwork
  41. Architectural Waves
  42. Indonesia, South Kalimatan, Banjarmasin, the banks of the Barito River
  43. India, Rajasthan, Jaipur, Amer, The 16th century Amber Fort with a hot air balloon aloft
  44. Dawn Over Ullswater
  45. Gaulard transformer, 19th century
  46. Indonesia, fruit vendor rowing her wooden boat to a floating market on the Barito River
  47. Monarch Butterfly Head, SEM
  48. Spine anatomy