| ACROSS 1. Intervertebral cushion 5. Broadcast from a squad car, for short 8. Attachment of an infant’s mouth during breastfeeding 13. Really digging 14. March Madness org. 15. Slender, edible mushroom 16. Type of programmed cell death that is evaded by cancer cells 18. Glucose test unit 19. Feeds, as a baby mammal 20. Some plays in badminton or tennis: 2 words 22. Gene that, when mutated, can cause ataxia telangiectasia 23. End of a root branch 25. Suffix in the names of sugars 26. With 44-Across, genomic hallmark of cancer associated with DNA loss 31. Topic for debate 34. Item used to mount insect specimens 35. Nickname for the Field Museum’s T.Rex skeleton 37. Flower bud used as a flavorful garnish 38. Special treatment, for short 39. Country that’s home to the Amami rabbit 41. Paleozoic, Mesozoic, or Cenozoic 42. Chicken ___ king: 2 words 43. Come next 44. See 26-Across 49. Delighted exclamation 50. Seargent’s superiors 51. Solemn promise 54. What an atmospheric purifier provides: 2 words 59. Cannabis ___ 61. “Filthy” money 62. Cellular structures that enable replicative immortality in cancer cells 64. Cause a mutation in, perhaps 65. Panache 66. Monthly expense for a tenant 67. Walks with a heavy step 68. Oncogene that regulates expression of ~15 percent of human genes 69. Smelling apparatus  | 
DOWN
 1. Roman equivalent of Artemis  2. Enter, as data  3. Atmospheric disturbance  4. Police officers, informally  5. Organization for practitioners of the “central science”  6. Result of nociception  7. Cytosine, for one  8. Not as much  9. Patriotic song  10. Bull, by another name  11. Proto-oncogene involved in mast cell development  12. Joints in mammals, or fruits from roses  14. Military denial: 2 words  17. Connection between a neutrophil and endothelium  21. Talking-___ (reprimands)  24. Opener on some soda cans  26. Signal’s passive counterpart  27. Inverse of kilo-  28. Available for work if needed: 2 words.  29. Egyptian cobras  30. Party at which kalua pig might be served  31. Glacier’s makeup  32. Wedding garment, often  33. Life ___ (measure of longevity) 36. Hydrocarbon suffix  39. Habitat for some pelagic fish  40. One or more  45. Flew like an osprey  46. Powders used in printers  47. Exclamation when solving a puzzle  48. Exclamation before starting a fight: 2 words  51. Yellow-throated songbird  52. Appliances that might be used for sterilization  53. Guano, to bats  54. Thunderbolt’s sound  55. Quiet period  56. Prefix similar to exo-  57. Agenda component  58. Depend (on) 60. Seabird with a forked tail  63. Insect’s protective secretion   |