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Topic: Heating, Ventilation, and Air Conditioning

Top galleries, list articles, quizzes

  • Four ways to survive heat wave – and keep energy bills down

    As America blasts its ACs and put its fans on overdrive to try to cope with the heat wave, it will use a lot of energy – which costs a lot of money. More than 40 percent of a typical home’s utility bill goes toward cooling costs.

    Here are four tips for keeping energy costs down and still staying cool.

  • Heat wave: Four things that will rise with the temperatures

    Slowing down because of rising heat is the expected response in any summer heat wave. But in a week like this one, where high temperatures fanned across the country, sizzling toward 100 degrees F. from Texas to Boston, some things also go up. Here are four things to expect to rise along with our desire to stay indoors and beat the heat.

  • Are you smarter than a 12th-grader? A reading comprehension quiz.

    The National Assessment of Educational Progress has just released the results of math and reading tests that 12th-graders took last year. The average score on the reading portion was higher than in 2005, but lower than in 1992. What follows are six sample questions from the reading section. Overall on the test, 38 percent of students scored at or above a proficient level in reading. How many questions can you answer correctly?

  • Top 10 banned fashions

    Most of the time we use the phrase "fashion police," we don't mean it literally. But in many places around the world, your sartorial choices can get you fined, imprisoned, or worse. Here is our list of the top 10 banned fashions.

  • In Pictures: Architectural marvels

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Photos of the day

05.31.12 »

What happens when ordinary people decide to pay it forward? Extraordinary change. See how individuals are making a difference...

Mae Azango has gone undercover to report on female circumcision, a rite of the Sande society in Liberia that is performed on young girls.

Mae Azango exposed a secret ritual in Liberia, putting her life in danger

When journalist Mae Azango wrote about a secret women's circumcision ritual in Liberia, she received death threats.

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