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  1. Artwork: penetration of skin by various lasers
  2. Lung bronchioles
  3. Salt dissolution, artwork
  4. Love Birds
  5. Clouds forming the shape of Earth's continents
  6. Carboniferous landscape
  7. Lungs
  8. Bare-knuckle Boxers
  9. Viral throat infection, artwork
  10. Sierre to Zinal Mountain Race, The Finish 2012
  11. Platelet, artwork
  12. Killdeer
  13. Carrigogunnell Castle, Near Limerick, County Limerick, Ireland
  14. Artwork of Mars Polar Lander descending onto Mars
  15. Construction of the Pyramids
  16. Durer's world map, 1515
  17. 19th Century internal combustion engine
  18. Rhodopsin protein molecule
  19. Ichthyosaur and prey
  20. Composite image of the phases of the Moon
  21. Chinese armada, artwork
  22. TEEN Flutter of Love
  23. Vintage Golden Gate
  24. Cabeza De Vaca Expedition
  25. 'How vain are all your triumphs past', 1814
  26. sports car with high speed
  27. Sound Wave 2
  28. Walleye on Map
  29. Armillary sphere, 18th Century artwork
  30. Magnetic field
  31. Instruments for removing bladder stones
  32. Snap!
  33. Detail of 16th century map of Liguria
  34. Steamboats on the Mississippi
  35. Wooded Path II
  36. Leptin molecule
  37. Neanderthals hunt a cave bear
  38. Triceratops
  39. Construction of the DH.98 Mosquito fighter-bomber of World War II
  40. Famous places and monuments of the world
  41. Environs Of Paris 1
  42. Ballina, County Mayo, from 'Scenery and Antiquities of Ireland'
  43. Early electric train
  44. City Of Golden Dreams - Contemporary Cityscape Painting
  45. Seaside Village
  46. Zebra and Butterflies
  47. Protein tyrosine phosphatase molecule
  48. Woolly mammoths