An Emergency Puzzler

So this next puzzler, we have had this in the files for a long time. We haven't used it because it's so bad.

We have a little glass box out front with a tiny hammer hanging off it that says, "In case of emergency, break the glass." And inside that little box is the emergency puzzler.
Well, I just want to preface this puzzler by saying, this is from a whole series of puzzlers. So we may see more from this series, at some point!

This is from a book of riddles collected by Agnes Rogers. This one is about an average suburban housewife named Mrs. Simmons.

Mrs. Simmons, a suburban housewife, was very fond of her mother-in-law. One morning after breakfast, she went shopping and then stopped as she often did, to have a mid-morning cup of coffee with the older woman. When Mrs. Simmons returned home, the first thing she saw was the grizzly remains of her husband...

Instead of calling a doctor or the police, she calmly went about her domestic chores. How come?

Answer the Puzzler »

Remember last week's puzzler?

Tricks of the Trade

think it's time for the puzzler! We don't have all day... So let's get going.

This fellow was driving his wife's car to work. He was stuck in stop and go traffic. The car started to overheat. He could see the needle on the temperature gauge getting hotter and hotter.

So, he calls up his wife and says, "Hey honey, what is that trick that your father taught you, when the car is overheating in stop and go traffic like this?"

And she said, "Well, my father told me in times like this, to turn the heat on in the car and that would lower the temperature." So he thanks her, and then turns the heat on. And it helps a little, but not much. He is still overheating, and now it is hot in the car. So he pulls over and calls her back and asks, "Is there another trick your father used? Does he have any other advice?"

And she said, "Yes, turn the air conditioning on."

And he said, "What?! That can't be right! I knew your father was just another no good mechanic..."

And she said, "Just try it, stupid!" So, he reluctantly tries it. And, what do you know, it works!

So, this is a two part puzzler.

1) Is it true that when you turn on the air conditioning the car will run cooler?

B) And if so, how come?

Good luck!