During the class period today you will research the answer to each of the following questions.

1. What was the home country of the first Secretary General of the United Nations?

2. What element could a chemist use to make a spoon that would disappear in a cup of hot coffee?

3. What was unusual about the 1950's field trials for the Salk polio vaccine? When you have the answer for each one:

(a) compose a sentence that answers the question and gives appropriate credit to the source where you found the answer.using the guidelines for "Citing Sources in your speech" on pages 60-61 and for "Verbal Attribution" on pages 273-274 of your text. You should also consult the "Oral
Footnotes" document on Moodle.

(b) create a correct, complete bibliography citation in MLA format for that source. See pages 271-272 of your text or the visit one of the sites listed on page 60 of your text for guidance.

(c) submit your file to fulfill the assignment before class ends today.