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  1. Anatomy of nasal sinuses
  2. Protein tyrosine phosphatase molecule
  3. Early stromatolites, artwork
  4. The docking of SpaceX Dragon to the International Space Station above Earth
  5. Chemistry apparatus
  6. Barreal Blanco - USGS Earth as Art
  7. Alchemy
  8. Computer artwork of a beryllium atom
  9. Artwork of osteoarthritis of knee joint
  10. Brain with skull in situ - lateral view. nervous system
  11. Artwork of the structure of the front of an eye
  12. Virus, artwork
  13. H1N1 flu virus particle, artwork
  14. Microprocessor chips
  15. Circulatory system and brain, artwork
  16. Comparison of healthy gums versus gingivitis
  17. Morphine crystals, SEM
  18. Lymphatic system of the head and neck
  19. Thyroid cancer cells
  20. Anticoagulant molecule
  21. Stem cell, conceptual artwork
  22. Sets of fingerprints
  23. Explorer 1
  24. Steroid use, conceptual image
  25. Metabolic enzyme, artwork
  26. Ptolemaic Universe
  27. Circulatory system and brain, artwork
  28. Heron/Hero of Alexandria, mathematician
  29. Artwork of an Allosaurus dinosaur, Allosaurus sp
  30. Phosphorus
  31. Albion Printing Press
  32. Venus Under False Color
  33. Cell
  34. Healthcare, conceptual image
  35. Dragonflies, 17th century artwork
  36. Dilute hydrochloric acid reactions
  37. Nasmyth's steam hammer, artwork
  38. Alaska - USGS State Mosaic
  39. Molecular structure
  40. Plane over Battersea Power Station
  41. Lumbar vertebra
  42. Canada balsam
  43. Clematis stem, SEM
  44. Graphite
  45. Instruments for removing bladder stones
  46. The bones of the lower back
  47. Vitamin C molecule
  48. Bright Periodic Table - Navy, Classic Text