1. An honorary degree in science.
4. Any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves.
8. A constellation in the southern hemisphere near Telescopium and Norma.
11. A flat wing-shaped process or winglike part of an organism.
12. Not only so, but.
13. A workplace for the conduct of scientific research.
14. A coffee cake flavored with orange rind and raisins and almonds.
16. A line spoken by an actor to the audience but not intended for others on the stage.
18. South American armadillo with three bands of bony plates.
20. A silvery ductile metallic element found primarily in bauxite.
21. The elementary stages of any subject (usually plural).
22. A river in north central Switzerland that runs northeast into the Rhine.
24. An informal term for a father.
27. Open-heart surgery in which the rib cage is opened and a section of a blood vessel is grafted from the aorta to the coronary artery to bypass the blocked section of the coronary artery and improve the blood supply to the heart.
29. The face of a timepiece.
30. The federal agency that insures residential mortgages.
31. A sweetened beverage of diluted fruit juice.
33. An intensely radioactive metallic element that occurs in minute amounts in uranium ores.
35. An associate degree in nursing.
39. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
43. An official language of the Republic of South Africa.
45. A loose sleeveless outer garment made from aba cloth.
48. An agency of the United Nations affiliated with the World Bank.
49. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
50. Light informal conversation for social occasions.
51. A barrier constructed to contain the flow or water or to keep out the sea.
52. Large burrowing rodent of South and Central America.
53. An anticipated outcome that is intended or that guides your planned actions.
54. A period marked by distinctive character or reckoned from a fixed point or event.

1. A island in the Netherlands Antilles that is the top of an extinct volcano.
2. A sudden very loud noise.
3. A Chadic language spoken south of Lake Chad.
4. Type genus of the family Myacidae.
5. That is to say.
6. A white metallic element that burns with a brilliant light.
7. According to the Old Testament he was a pagan king of Israel and husband of Jezebel (9th century BC).
8. American prizefighter who won the world heavyweight championship three times (born in 1942).
9. Measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects.
10. A poplar that is widely cultivated in the United States.
15. A village of huts for native Africans in southern Africa.
17. Someone who works (or provides workers) during a strike.
19. United States writer (born in Poland) who wrote in Yiddish (1880-1957).
23. Title for a civil or military leader (especially in Turkey).
25. The branch of computer science that deal with writing computer programs that can solve problems creatively.
26. The longer of the two telegraphic signals used in Morse code.
28. A river in north central Switzerland that runs northeast into the Rhine.
32. A rare silvery (usually trivalent) metallic element.
34. The blood group whose red cells carry both the A and B antigens.
36. Plant with an elongated head of broad stalked leaves resembling celery.
37. Type genus of the Alcidae comprising solely the razorbill.
38. An narrative telling the adventures of a hero or a family.
40. An officer who acts as military assistant to a more senior officer.
41. The sixth month of the civil year.
42. A Tibetan or Mongolian priest of Lamaism.
44. A former agency (from 1946 to 1974) that was responsible for research into atomic energy and its peacetime uses in the United States.
46. The Tibeto-Burman language spoken in the Dali region of Yunnan.
47. A defensive missile designed to shoot down incoming intercontinental ballistic missiles.