by Todd Caldecott
03.15.2011
There is mounting concern that radiation leaking from nuclear power plants could affect human health. It is very difficult to get solid information, but reports I have seen indicate that the radioactive isotopes of concern are iodine 131, strontium 90, cesium 137 and plutonium 239. Iodine 131 is the most immediate [...]
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by Todd Caldecott
02.10.2011
Also known as lipids, fats refer to a diverse range of chemicals including triglycerides, cholesterol, phospholipids, steroids, carotenoids, vitamins (A, D, E, K) and locally-acting hormones called eicosanoids. Like carbohydrates lipids are comprised of carbon, oxygen and hydrogen, but the amount of oxygen in a lipid is much less, making for fewer polar covalent [...]
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