Subject: RAT

Each answer is a seven-letter word, and the middle three letters are "rat." (e.g., Containing many small bubbles of air. Answer: Aerated.)

Freshman Level

1. What you do to an itch.

2. Someone whose job is to take care of the objects in a museum.

3. Blackbeard, Captain Kidd and others.

Graduate Level

4. A group or class in society.

5. Changing often or not following a regular pattern.

6. The chief structural constituent of hair, nails, horns and hooves.

Ph.D. Level

7. Scolded severely or angrily.

8. Moved in a spiral course.

9. Covered with wax.

Answers:

1. Scratch.

2. Curator.

3. Pirates.

4. Stratum.

5. Erratic.

6. Keratin.

7. Berated.

8. Gyrated.

9. Cerated.

North Atlantic Syndicate

facts of the day