Tree frogs

Biology 101

Wordlist #7

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"At about eight-thirty on Friday Morning, one of Donora's eight physicians, Dr. Ralph W. Koehler, a tense, stocky man of forty-eight, stepped to his bathroom window for a look at the weather. It was, at best, unchanged. As he was turning away, a shimmer of movement in the distance caught his eye...he had never seen anything quite like it before.

Then there was an awful yell. I jumped up and dashed out into the hall. There was a man I'd never seen before sort of draped over the banister. He was kicking at the wall and pulling at the banister and moaning and choking and yelling at the top of his voice. 'Help! Help me! I'm dying!' I just stood there. I was petrified.

When Miss Stack came into the office a few minutes later, the telephone was still ringing. She had answered it and added the call to her list before she realized that she was not alone. 'I heard someone groaning,' she says. 'Dr. Roth's door was open and I looked in...he was slumped down in his chair...all I could think was, My gosh, if people are dying--why, this is tragic! Nothing like this has ever happened before!'"

Click here to download or view The Fog. pdf or The Fog.html

After reading The Fog, take the online quiz.

Study Qiestions

1. What was the problem chemical in the air?

2. What was special about the fog in Donora this time?

3. Why hadn't this happened before?

4. Who was at risk from "the fog"?