By Theodora Filis The U.S. Transportation Security Administration (TSA) X-ray scanning machines are a sci-fi fan's dream. Lower-energy beams penetrate clothing and the topmost layers of skin, exposing any explosives concealed under clothing. The TSA has set up 172 full-body image scanners at 68 airports across the United States. According to a group of scientists and professors, low-energy rays do a "Compton scatter" of tissue layers just under the skin, possibly exposing some vital areas and leaving the tissues at risk of mutation. Scientists from the University of California San Francisco wrote to the White House Office of Science and Technology Policy expressing concerns that the scanners might expose the skin to high doses of X-rays that could increase the risk of cancer and other health problems, particularly among older travelers, pregnant women and people with weak immune systems. Tests in Italy raised questions about airport body scanners following fi
It is imperative we all pay attention to the impact of our collective and personal actions on the environment. During the next decade, our global community will be unable to deal effectively with the formidable environmental challenges posed by decades of environmental mismanagement. There are many environmental issues I write about in this blog, some will scare you, and it is my hope, these articles will give you a reason to question and search for answers.