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  1. Connections being made to microchip
  2. Medical chart showing the signs and symptoms of sciatica
  3. Limescale, SEM
  4. The Plough asterism in Ursa Major
  5. Bracken rhizome, light micrograph
  6. DNA helix and genetic mapping
  7. Torso bones
  8. Abdominal organs in situ. abdominal cavity, digestive system
  9. Brain and spinal cord, 1844 artwork
  10. Protozoa, historical artwork
  11. Total solar eclipse, 1878
  12. Earth
  13. Schematic of the hypothalamus receiving nerve impulses from the body
  14. Orbit of the Earth
  15. Normal hip, X-ray
  16. Spinal cord anatomy, 1844 artwork
  17. Chain Of Molecules
  18. Morse code apparatus, historical artwork
  19. Marie Curie, Polish-French physicist
  20. The Orrery, exh. 1766
  21. Bellis and Morcom steam engine
  22. Medieval urine wheel
  23. Distillation, 16th century woodcut
  24. Smoke patterns
  25. Vegetation Profile Of A Desert
  26. Scanning electron micrograph of HIV particles infecting a human T cell
  27. Study of the Human Figure, Anterior View
  28. Montana - USGS State Mosaic
  29. Tennessee - USGS State Mosaic
  30. Carbon nanotube
  31. Fractal, computer artwork.
  32. Buttercup stem, light micrograph
  33. Atom, artwork
  34. Tentative phylogenetic scheme for hominid species
  35. Artwork of a Tyrannosaurus rex dinosaur
  36. Conceptual image of DNA
  37. Fahrenheit Wind Chill Chart
  38. Anatomy of human body and circulatory system, front view
  39. Testosterone hormone
  40. Conceptual image of DNA
  41. Scanning electron microscope
  42. Body musculature
  43. Assembly Required to Build Our Future on Mars and its Moons
  44. Global Circulation Patterns Diagram
  45. Healthcare, conceptual image
  46. Locomotive, 1855, French Colored Engraving
  47. Microscopic view of human antibodies with red blood cells
  48. Muscles of lower leg