1. Scottish chemist noted for his research into the structure of nucleic acids (born in 1907).
5. One of the two main branches of orthodox Islam.
10. (computer science) A computer that is running software that allows users to leave messages and access information of general interest.
13. The largest continent with 60% of the earth's population.
14. A river of southwestern Africa that rises in central Angola and flows east and then north (forming part of the border between Angola and Congo) and continuing northwest through Congo to empty into the Congo River on the border between Congo and Republic of the Congo.
15. Electrical conduction through a gas in an applied electric field.
16. A soft suede leather formerly from the sheep of the chamois antelope but now from sheepskin.
18. Tropical evergreen subshrubs (some climbers) to trees of Asia and Australasia to Americas.
20. A board game in which players try to move their pieces into their opponent's bases.
22. (of pain or sorrow) Made easier to bear.
23. A holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing.
26. United States baseball player and manager (1873-1934).
28. A gradual decline (in size or strength or power or number).
33. (Akkadian) God of wisdom.
35. The branch of computer science that deal with writing computer programs that can solve problems creatively.
36. (meaning literally `born') Used to indicate the maiden or family name of a married woman.
37. Loss of the ability to swallow.
40. Back and sides of a hog salted and dried or smoked.
42. An accidental hole that allows something (fluid or light etc.) to enter or escape.
43. A compartment in front of a motor vehicle where driver sits.
46. A native or inhabitant of Denmark.
47. A Chadic language spoken in northern Nigeria.
49. Any competition.
51. (law) A defense by an accused person purporting to show that he or she could not have committed the crime in question.
53. Making low inarticulate sound as e.g. of pain or sorrow.
57. An Arab country on the peninsula of Qatar.
59. (British) Your grandmother.
60. A group of African language in the Niger-Congo group spoken from the Ivory Coast east to Nigeria.
61. Surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments.
63. A federal agency established to regulate the release of new foods and health-related products.
64. (prefix) Opposite or opposing or neutralizing.
65. West Indian tree having racemes of fragrant white flowers and yielding a durable timber and resinous juice.
66. Annual grass of Europe and North Africa.
1. Measuring instrument for indicating speed of rotation.
2. A law passed by US Congress to prevent employees from being injured or contracting diseases in the course of their employment.
3. A conversation between two persons.
4. Any of various hard resins from trees of the family Dipterocarpaceae and of the genus Agathis.
5. Outer space as viewed from the earth.
6. (astronomy) The angular distance of a celestial point measured westward along the celestial equator from the zenith crossing.
7. (Old Testament) The second patriarch.
8. A river in north central Switzerland that runs northeast into the Rhine.
9. The dressed skin of an animal (especially a large animal).
10. Having or denoting a low vocal or instrumental range.
11. Soft creamy white cheese.
12. Any of a number of fishes of the family Carangidae.
17. Philippine tree similar to the breadfruit tree bearing edible fruit.
19. A metrical unit with unstressed-stressed syllables.
21. A heavy odorless colorless gas formed during respiration and by the decomposition of organic substances.
24. A radioactive transuranic element synthesized from californium.
25. Large brownish-green New Zealand parrot.
27. A strip of land projecting into a body of water.
29. Top part of an apron.
30. A ruler of the Inca Empire (or a member of his family).
31. A colorless odorless gaseous element that give a red glow in a vacuum tube.
32. A self-replicating protein molecule that occupies a fixed place on a chromosome.
34. Resinlike substance secreted by certain lac insects.
38. The type of environment in which an organism or group normally lives or occurs.
39. Jordan's port.
41. Chief port of Yemen.
44. A large fleet.
45. African tree having an exceedingly thick trunk and fruit that resembles a gourd and has an edible pulp called monkey bread.
48. English theoretical physicist who applied relativity theory to quantum mechanics and predicted the existence of antimatter and the positron (1902-1984).
50. Any taillike structure.
52. A field of cultivated and mowed grass.
53. (of roads) Made of logs laid down crosswise.
54. A message received and understood that reduces the recipient's uncertainty.
55. A quantity of no importance.
56. Any of various small biting flies.
62. A white soft metallic element that tarnishes readily.