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  1. Co-enzyme NAD (nicotinamide) crystals
  2. Laboratory containers with liquid inside, close-up, part of
  3. Chromatin beads, artwork
  4. Illustration of a 32 day old human embryo
  5. Spinal bones and ligaments
  6. Illustration of coronary artery atherosclerosis
  7. A Scientist In A Lab
  8. Conceptual image of human lungs and rib cage
  9. Mouse tongue, SEM
  10. Excavation at Galeria
  11. Blood groups
  12. Practical Wireless, November 1958
  13. LM of crystals of antibiotic streptomycin
  14. Coiled leaf, SEM
  15. Okavango Delta - USGS Earth as Art
  16. Illinois - USGS State Mosaic
  17. Paranthropus robustus
  18. Arm bones
  19. Coloured SEM of a fertilized human egg (zygote)
  20. Italy, Sicily, Siracusa, Monte Lauro, wind turbine
  21. Science - Blue
  22. Rising Air In An Unstable Atmosphere
  23. Different types of acne, non-inflammatory and inflammatory
  24. Blood centrifuge
  25. Conceptual image of human tooth
  26. Energy meridians of the human body
  27. Impact - USGS Earth as Art
  28. Artwork of cerebral embolism, cause of stroke
  29. Artwork of foetus at 36th week of pregancy
  30. Crop formation in form of Mandelbrot set
  31. Heart disease, artwork
  32. Intestinal villi, artwork
  33. Microbiology laboratory
  34. Syringe and phials
  35. Vegetation Profile Of A Scrubland
  36. Surface anatomy of the eye, ear and nose
  37. Polarised LM of acenaphthene crystals
  38. Bacteriophage virus, artwork
  39. Stack of petri dishes with bacterial cultures
  40. Cryolophosaurus Dinosaurs Hunting For Prey In A Prehistoric Environment
  41. Liver cells, TEM
  42. Mechanics of swallowing, diagram
  43. Genome sequencing machine
  44. John Knox, Scottish theologian
  45. Cambrian invertebrate, artwork
  46. Rice Terraces, Longsheng Ping'an, Guangxi
  47. Atomic structure
  48. Quartz crystals