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  1. Arabic science timeline
  2. Woman's eye
  3. Morse code apparatus, historical artwork
  4. Byrd Glacier - USGS Earth as Art
  5. Comparing Saurischian and Ornithischian Pelvises
  6. Kepler Mission rocket launch
  7. Respiratory tract, artwork
  8. Heel skin tissue, light micrograph
  9. Schematic of the hypothalamus receiving nerve impulses from the body
  10. The muscles of the hand
  11. Spirogyra algae, light micrograph
  12. Coloured SEM of human embryo at the 4-cell stage
  13. Magnetic field
  14. Microscopic view of inner nervous system
  15. Artwork of a Tyrannosaurus rex dinosaur
  16. A herd of Brachiosaurus travel near a canyon mountain
  17. View of Darwin's desk at Down House
  18. Eye exam chart
  19. The bones of the lower back
  20. Swirling oils show molecular properties
  21. Leukaemia blood cells, SEM
  22. Human brain anatomy, artwork
  23. Triceratops
  24. Ribozyme molecule
  25. Homo floresiensis
  26. Pachycephalosaurus
  27. Megatherium, Extinct Ground Sloth
  28. Kidney glomeruli, SEM
  29. Losh and Stephenson's carriage
  30. The Cygnus spacecraft begins its separation from the International Space Station
  31. Skin surface, SEM
  32. Arm anatomy, historical artwork
  33. Thyroid gland. endocrine system
  34. Giant Panda
  35. General colon anatomy, with labels
  36. Bacteria infecting a macrophage, SEM
  37. Refraction of light by bi-concave lens
  38. Allosaurus
  39. Paper chromatograms of various dyes
  40. Early astronomical spectroscopy
  41. Muscles of the hand and forearm
  42. The bones of the foot
  43. Antihistamine drug crystals, SEM
  44. A Herd Of Centrosaurus Dinosaurs
  45. Close-up of beakers containing colored liquid
  46. Steroid use, conceptual image
  47. Cell
  48. Farmers Wanted for Survival on Mars