Do you think there is any harm in going for a brisk 3-mile run on a summer afternoon in the metro-Atlanta area? It’s not a good idea. The ozone level is highest in the late afternoon and early evening.
Late afternoon readings of ozone are typically highest for the daily cycle of ozone levels. It’s not a good time to be out running.… Read more
Monthly Archives: April 2008
Air Pollution: Monitoring the Air You Breathe
April 22, 2008
Earthday 2008 for the Birds
April 21, 2008
Earthday is a day for action and reflection. Some reflection follows:
I read two wonderful books about birds this past year by Bernd Heinrich, professor emeritus of biology at the University of Vermont. The first was the Snoring Bird: My Family’s Journey Through A Century of Biology. It’s a wonderful story of his father’s life which begins in pre-World War I Germany.… Read more
Environment Important to the People, but not at the Presidential Debates
April 19, 2008
Charles Blow had a very interesting op-ed column in the New York Times today entitled “all atmospherics, no climate.” The op-ed focused on the graph shown below, generated from survey data by the Pew Research Center, which describes the percentage of Americans who think the issues of protecting the environment, and dealing with the energy problem should be top priorities for the president and Congress.… Read more
Earthday: Time for A Whole Earth Energy Policy: Nuclear Anyone?
April 18, 2008
Earthday 2008 arrives in just a few days. I’ve been thinking and reading about Earthday, and about how our dependence of fossil fuels impacts all of us all of the time. From buying groceries, to going to work, to enjoying leisure activities. Our dependence on coal and oil as our primary source of energy has led to a critical problem that we face today.… Read more
My First Colonoscopy
April 17, 2008
Dear Readers,
Two days ago, I discussed two of my “first” experiences using the Internet. Well, today, want to talk about “my first colonoscopy”. For men and women, this is an important procedure that a healthcare provider uses to view the entire colon to see if there are any problems.
Some months ago, I had canceled my first outpatient appointment. A high percentage of people cancel the first time.… Read more
Children’s Video on Bay Area Science
April 16, 2008
In a recent study by the Lawrence Hall of Science Center for Research, Evaluation and Assessment, in collaboration with WestEd, more than 900 Bay Area school teachers and almost 60% of the Bay Area school districts that serve elementary school students were surveyed to shed light on the state of science education.
The results were summarized in video that I found on YouTube.… Read more
Evolving Use of the Internet—Growing Up Digital
April 15, 2008
In the last post, I described two of my earlier experiences using the Internet to connect to information and people. Over the past two decades, the way digital media has changed, and how it is being used is truly astounding. Digital media in an Internet environment enables teachers to involve students in experiences that connect to their own lives—a world centered in the use of a variety of digital media tools.… Read more
The Art of Teaching Science is the personal blog of Jack Hassard. I am a writer, a former high school science teacher and Professor Emeritus of Science Education, Georgia State University. The blog reflects my opinions on science education and issues related to educational reform from a progressive science and education philosophy.
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