1. Austrian physicist and philosopher who introduced the Mach number and who founded logical positivism (1838-1916).
5. A member of a North American Indian people of southeastern California and northwestern Mexico.
10. A mature blood cell that contains hemoglobin to carry oxygen to the bodily tissues.
13. (Norse mythology) Goddess of old age who defeated Thor in a wrestling match.
14. Either of two large African antelopes of the genus Taurotragus having short spirally twisted horns in both sexes.
15. A constellation in the southern hemisphere near Telescopium and Norma.
16. Someone who works (or provides workers) during a strike.
17. German organist and contrapuntist (1685-1750).
19. A winged often one-seed indehiscent fruit as of the ash or elm or maple.
21. Filled with the emotional impact of overwhelming surprise or shock.
23. 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.
25. Either of two folds of skin that can be moved to cover or open the eye.
26. Large elliptical brightly colored deep-sea fish of Atlantic and Pacific and Mediterranean.
29. In bed.
34. A person who is rejected (from society or home).
36. A subsidiary proposition that is assumed to be true in order to prove another proposition.
37. A federal agency established to coordinate programs aimed at reducing pollution and protecting the environment.
39. The former capital and 2nd largest city of Brazil.
40. Alternatively, a member of the family Nymphaeaceae.
43. Sole genus of the family Naiadaceae.
45. Any of various edible seeds of plants of the family Leguminosae.
46. A federal agency established to regulate the release of new foods and health-related products.
47. (Greek mythology) The Muse of history.
50. The part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands.
52. A Hindu prince or king in India.
56. Australian shrubs and small trees with evergreen usually spiny leaves and dense clusters of showy flowers.
58. According to the Old Testament he was a pagan king of Israel and husband of Jezebel (9th century BC).
61. A unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material.
62. The United Nations agency concerned with international maritime activities.
63. A member of an agricultural people of southern India.
65. A sudden loss of consciousness resulting when the rupture or occlusion of a blood vessel leads to oxygen lack in the brain.
66. Airtight sealed metal container for food or drink or paint etc..
67. A port city in southwestern Iran.
68. Thigh of a hog (usually smoked).
1. A state of confusion and disorderliness.
2. Type genus of the Alcidae comprising solely the razorbill.
3. Burrowing marine mollusk living on sand or mud.
4. A portable brazier that burns charcoal and has a grill for cooking.
5. Cubes of meat marinated and cooked on a skewer usually with vegetables.
6. A flat wing-shaped process or winglike part of an organism.
7. (British) A waterproof raincoat made of rubberized fabric.
8. Draw in by breathing.
9. A public promotion of some product or service.
10. Harass with persistent criticism or carping.
11. (Scotland) A slope or hillside.
12. One of a set of small pieces of stiff paper marked in various ways and used for playing games or for telling fortunes.
18. Someone who is morally reprehensible.
20. An intensely radioactive metallic element that occurs in minute amounts in uranium ores.
22. Of or coming from the middle of a region or country.
24. A rare silvery (usually trivalent) metallic element.
27. An informal term for a father.
28. An Arabic speaking person who lives in Arabia or North Africa.
30. A long thin fluffy scarf of feathers or fur.
31. A form of magnetic resonance imaging of the brain that registers blood flow to functioning areas of the brain.
32. Type genus of the Amiidae.
33. A member of the Pueblo people living in northern New Mexico.
35. The highest level or degree attainable.
38. A Dravidian language spoken in southern India.
39. (British) A waterproof raincoat made of rubberized fabric.
41. A slender double-reed instrument.
42. The cry made by sheep.
44. A river in north central Switzerland that runs northeast into the Rhine.
48. A Tibetan or Mongolian priest of Lamaism.
49. A visual representation of an object or scene or person produced on a surface.
51. Bony flesh of herring-like fish usually caught during their migration to fresh water for spawning.
52. Fermented alcoholic beverage similar to but heavier than beer.
53. (of persons) Highest in rank or authority or office.
54. An island in Indonesia south of Borneo.
55. (Old Testament) In Judeo-Christian mythology.
57. A loose sleeveless outer garment made from aba cloth.
59. Title for a civil or military leader (especially in Turkey).
60. A decree that prohibits something.
64. The blood group whose red cells carry both the A and B antigens.