Across 1. Ear-related 5. De mortuis nil ___ bonum 9. Underwear type 14. Third son of Adam and Eve 15. Slide 17. Bears coach/owner who once beat the Redskins 73-0 18. .XLS 20. Agricultural refrain? 21. Quadratic formula starter 24. Melodrama 25. Russian ruler, once 26. Step down 29. Career field for many math majors (abbr.) 31. Arsenic symbol 32. AES opponent in the Fifties, twice 35. Can 36. Wheel buys, in order 37. Jai-___ 38. Ein Werk von Schubert 39. Mass of the earth 42. Cartesian ___ 43. Die Frau ___ Schatten 44. Concur 45. Kobe currency 46. Proofreader’s error 47. Dwell on 49. Painful big toe 50. ln(exp(2a)) 51. No solution 56. A trillion puffs 57. Hero 58. Burn with anger 60. Line said to the audience but not to the other actors 61. Principal square root of -1

62. Winter malady 63. Amusement park feature 64. Indy feature 65. Proof feature 66. Students’ fond wish Down 1. Sugar suffix 2. Heavy book 3. Desire 4. Most like a low-budget video 5. Bounced check letters 6. exp(i pi/2) 7. Farm structure 8. Unabbreviated i.e. 9. Greek letters for angles 10. Chinese appliance giant that almost absorbed Maytag 11. Bread spread 12. Greenhorn 13. Geostationary orbit (abbr.) 16. Acronym for school system started by two Teach For America alumni in 1994 19. Mucus blob 22. Antonym of rave 23. What Odysseus might say 26. Like Rod Stewart’s voice 27. Banish 28. Anglo-___ 29. He directed Sean in Mystic River 30. Word with fire or no 32. Upscale greasy spoon? 33. Dubya’s fraternity brothers 34. Boundaries across which derivative=DNE for a function having 2-dimensional domain 37. Rejection as spurious (philological term) 38. Snoozing students, perhaps 40. Letters for Bartlet on TV 41. Critical caucus state (abbr.) 46. Flux makes it flow 47. Confesses 48. Audio equipment manufacturer 49. Clearing in the forest 50. Matrix 51. Apollo org. 52. ___ acid (cause of 49 Across) 53. Clump of hair 54. Mrs. Brockovich 55. Build anew 56. ___ and away 59. Condensation