How the Ju|’hoan Make Poison Arrows

When I was a child, my grandmother taught me how to make arrows from the softwood of a poplar, a tree that was abundant in the woods that we could step into from my backyard. Later in adolescence, biased from the movies that I watched,  I perceived arrows to be "primitive". It is another case... Continue Reading →

Icicle Adventures

Despite below freezing temperatures, ice can melt in sunlight. This indicates that ice molecules can easily get agitated to above freezing temperatures even if surrounding air molecules have less energy of motion. If the melt-water runs down an edge, heat can be taken away again from the dripping water. An icicle begins to form. If... Continue Reading →

Economics Vs. Environment: A False Dichotomy

The false dichotomy of economics versus environment has long existed because it is unfortunately too easy to sweep health and environmental costs under the rug or to have government consistently pick up the bill for consequences of short-sighted "growth". Here's a letter sent to the Economist by former World Bank, senior vice president, Vinod Thomas,... Continue Reading →

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