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  1. Spinal cord anatomy, 1844 artwork
  2. Fertilisation, artwork
  3. Trabeculae carneae in the heart, SEM
  4. Pt. Reyes
  5. Breast cancer cell, SEM
  6. Insect microscopy, 19th century
  7. Taste buds, light micrograph
  8. HIV particles, TEM
  9. Great Auk (Pinguinus impennis), engraving
  10. Staphylococcus epidermidis bacteria
  11. Stegosaurus
  12. Sperm production, SEM
  13. Insulin molecule
  14. Charles Darwin, British naturalist
  15. Plant pore, SEM
  16. Electron orbitals
  17. Leaf midrib, SEM
  18. Back of brain and spinal cord with head in dark cloud indicating depression
  19. X-ray of human and chimpanzee skulls
  20. DNA sequence on a computer monitor screen
  21. Utility pipes, artwork
  22. Brain coral, artwork
  23. Hunting sabre-toothed cat
  24. Skin section, SEM
  25. Bacterial lung infection
  26. Heart and neck blood vessels
  27. Nedoceratops dinosaur, artwork
  28. Transverse section of an artery. cardiovascular system, circulatory system
  29. Human Skin
  30. Science classroom
  31. Railway carriages
  32. Anatomy of female reproductive system
  33. That Dam Cloud
  34. 3D Mandelbrot fractal. Computer-generated image derived from a Mandelbrot Set.
  35. Morphine crystals, SEM
  36. Apatosaurus
  37. Cervical smear slides
  38. Vegetation Profile Of A Savanna
  39. Female skeleton, artwork
  40. The arteries of the brain
  41. Chemistry beakers and stack of books
  42. Current melting steel wool
  43. Lunar Gateway Space Station Concept, Complete View
  44. Molecule THC
  45. xDNA molecule
  46. Elastic cartilage, SEM
  47. Euoplocephalus
  48. Conceptual image of DNA