1. A workplace for the conduct of scientific research.
4. Tiny marine and freshwater crustaceans with a shrimp-like body enclosed in a bivalve shell.
12. The compass point that is one point south of due east.
15. Leaf or strip from a leaf of the talipot palm used in India for writing paper.
16. The quality of being alien.
17. Committee formed by a special-interest group to raise money for their favorite political candidates.
18. United States writer of poems and plays about racial conflict (born in 1934).
20. Dark somewhat brownish black n 1.
21. A period marked by distinctive character or reckoned from a fixed point or event.
22. Preserve a dead body.
23. American physicist who won the Nobel Prize for physics twice (1908-1991).
25. Sorghums of dry regions of Asia and North Africa.
28. In operation or operational.
29. A flat wing-shaped process or winglike part of an organism.
30. A speech defect that involves pronouncing s like voiceless th and z like voiced th.
34. A choice or delicious dish.
37. Type genus of the Hylidae.
40. Relating to or characteristic of or occurring on the sea or ships.
41. The sign language used in the United States.
42. A branch of the Tai languages.
44. A local computer network for communication between computers.
45. Make or become free of frost or ice.
48. An Indian side dish of yogurt and chopped cucumbers and spices.
51. Relating to or concerned with a city or densely populated area.
52. Having the leading position or higher score in a contest.
53. (Islam) The man who leads prayers in a mosque.
54. A family of fish in the order Zeomorphi.
56. A large oven for firing or burning or drying such things as porcelain or bricks.
58. A silvery soft waxy metallic element of the alkali metal group.
59. An inactive volcano in Sicily.
62. Of southern Europe.
64. A light touch or stroke.
67. Leave or strike out, as of vowels.
72. The sixth month of the civil year.
74. Medium-sized penguins occurring in large colonies on the Adelie coast of Antarctica.
76. An Arabic speaking person who lives in Arabia or North Africa.
77. A Chadic language spoken south of Lake Chad.
78. A cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity.
79. Someone who works (or provides workers) during a strike.
80. (Old Testament) In Judeo-Christian mythology.
81. A person responsible for the editorial aspects of publication.
82. A river in north central Switzerland that runs northeast into the Rhine.

1. Having deeply indented margins but with lobes not entirely separate from each other.
2. The mission in San Antonio where in 1836 Mexican forces under Santa Anna besieged and massacred American rebels who were fighting to make Texas independent of Mexico.
3. Found along western Atlantic coast.
4. A city in western California on San Francisco Bay opposite San Francisco.
5. Winning all or all but one of the tricks in bridge.
6. A light strong gray lustrous corrosion-resistant metallic element used in strong light-weight alloys (as for airplane parts).
7. Device for resetting instruments or controls v 1.
8. (Irish) Mother of the ancient Irish gods.
9. An esoteric or occult matter that is traditionally secret.
10. A member of the Siouan people formerly inhabiting the Black Hills of western South Dakota.
11. United States industrialist who manufactured plows suitable for working the prairie soil (1804-1886).
12. A fencing sword similar to a foil but with a heavier blade.
13. Denuded of leaves.
14. The act of scanning.
19. American professional baseball player who hit more home runs than Babe Ruth (born in 1934).
24. A metric unit of volume or capacity equal to 10 liters.
26. A member of the Semitic speaking people of northern Ethiopia.
27. A movie with synchronized speech and singing.
31. Muslims collectively and their civilization.
32. A man who serves as a sailor.
33. A republic on the Isthmus of Panama.
35. A river in southeastern France.
36. (law) A defense by an accused person purporting to show that he or she could not have committed the crime in question.
38. Not only so, but.
39. A soft silvery metallic element of the alkali earth group.
43. Gully or streambed in North Africa and the Middle East that remains dry except during rainy season.
46. (of a young animal) Abandoned by its mother and raised by hand.
47. Related on the mother's side.
49. The basic unit of money in Bangladesh.
50. The capital of the Democratic Republic of the Congo on the Congo river opposite Brazzaville.
55. Spin or twist together so as to form a cord.
57. Resinlike substance secreted by certain lac insects.
60. Having help.
61. (medieval Europe) A person who is bound to the land and owned by the feudal lord.
63. Type genus of the Percidae.
65. (Babylonian) God of storms and wind.
66. A small cake leavened with yeast.
68. A shop selling delicatessen (as salads or cooked meats).
69. (used especially of vegetation) Having lost all moisture.
70. A flat-bottomed volcanic crater that was formed by an explosion.
71. A French abbot.
73. The most common computer memory which can be used by programs to perform necessary tasks while the computer is on.
75. The United Nations agency concerned with international maritime activities.