I checked out the links on How Cells Divide, and the Citric Acid Cycle Animation. It eems like no matter how long I've been in school, I've always had a review of some sort on these cycle. I also read an article on running, and how to increase your performance with understanding how the Citric Acid Cycle works. These acids are intermediate compounds that are necessary to generate cellular energy for tissue fuel. This article points out that proper nutrition may benefit to athletes (as well as people who are aging). Our proteins, acids, hormones, cells, are pretty amazing in the way that they produce energy so that we function the way we do. Nutrition is a pretty large area we can control for optimum health.
I really enjoyed the article, "Ringing the Alarm for Earth". The botanist, Peter Raven, presents the earth as losing species due to population growth rates. He is portrayed as being very enthusiastic and matter-of-fact. It was a very nice article that didn't try to shame the reader into being a more conscious environmentalist. I do believe that we have a responsibility to share this earth with all species. The more information we have, the harder it is to turn away from this responsibility.
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