I've been long-intrigued by Hannah Arendt's concept of the banality of evil. Philip Zimbardo turns that concept on its head in an article from Edge, "The banality of evil is matched by the banality of heroism." (you'll need to scroll down to the z's). Zimbardo's article appears as one of…
I’m in Chicago with my nine-year old daughter and Shedd Aquarium was an important destination for us. We spent much of our Aquarium time at the Wild Reef exhibit.
The coral reefs of the world support about a quarter of our sea life, so they are immensely important, yet humans are destroying them in a wide variety of ways.
As important as the reefs are to world ecology, reef life is also stunningly beautiful. You can see these communities up close at Shedd. The irony is hard to ignore whenever you can view warm water life in Chicago while it’s bitterly cold outside.
Shedd Aquarium does a wonderful job displaying its marine life. It’s difficult to stop taking photos, if you have a digital camera. I took more than 100 photos, then deleted many of them, leaving about a dozen photos I liked. The challenge is not finding beautiful scenes to photograph. The Aquarium is full of such opportunities. The challenges are the low light conditions (no flash photography allowed, for the protection of the animals), combined with the quick movements of some of the creatures. Note: I took all of these photos with a Canon A700, a modest consumer-grade digital camera that is about 2-years old. Also, these photos are only minimally retouched. Comparable scenes await anyone interested in traveling to Chicago to visit Shedd Aquarium.
Many of the organisms living at a reef look like underwater plants, but they are actually animals. Those animals include the corals themselves…
In October 2007, James E. Hansen testified with regard to an application to build a new coal-burning plant in Iowa. Hanson is the Director of the Goddard Institute for Space Studies and senior scientist in the Columbia University Earth Institute. He said some harsh things about our substantial dependence on coal:
…Global warming from continued burning of more and more fossil fuels poses clear dangers for the planet and for the planet’s present and future inhabitants. Coal is the largest contributor to the human-made increase of CO2 in the air. Saving the planet and creation surely requires phase-out of coal use except where the CO2 is captured and sequestered (stored in one of several possible ways).
Hundreds of millions of people live less than 20 feet above sea level. Thus the number of people affected would be 1000 times greater than in the New Orleans Katrina disaster. Although Iowa would not be directly affected by sea level rise, repercussions would be worldwide. Ice sheet tipping points and disintegration necessarily unfold more slowly than tipping points for sea ice, on time scales of decades to centuries, because of the greater inertia of thick ice sheets. But that inertia is not our friend, as it also makes ice sheet disintegration more difficult to halt once it gets rolling. Moreover, unlike sea ice cover, ice sheet disintegration is practically irreversible . . .
The biologist E.O. Wilson (2006) explains that the 21st century is a “bottleneck” for species, because of extreme stresses
I’ve just read a good book about genetics. The Making of the Fittest: DNA and the Ultimate Forensic Record of Evolution by Sean B. Carroll. There is much food for thought in this book. One reviewer called it “A Primer of Evolutionary Theory for Beginners”, and this is accurate. One doesn’t need to know chemistry or physics to follow his reasoning, because he teaches the most necessary pieces.
Basically, this book examines what has turned up in studying the genomes of various species over the last couple of decades, as well as tracing genes from generation to generation in the same family line. It starts with a simple introduction to what DNA is, how it works, and how we know this. Then it gradually leads one to understand how genes transform from one generation to the next, and how this leads to speciation.
Basically, ever-present radiation, random chemistry, and aggressive biology cause frequent single-letter changes in DNA. Also RNA copy-and-paste errors regularly drop or duplicate entire gene sequences. After this see Darwin for how some mutations are explicitly preserved, some are inevitably removed, and most simply languish in or become fossil genes because there is no preference one way or the other. Carroll covers all this in many examples.
Carroll presents the simple probability and large numbers theory to illustrate the surprising speed at which populations can change, and then shows functioning (or no longer functioning) genes that have in fact visibly changed populations so rapidly.
This book gives plenty …
How can we save up to 6% of our total electricity usage? Dry our clothes outside--hang them on clothes lines. Unless the neighbors try to interfere, as described by this article from Time Magazine. Yes, there are people who want to do their part to lower their carbon footprint. But…