I was recently at the dentist for a check-up and they had a chart on the wall, kind of like this one here. In short it tells you how much radiation you’re exposed to when you engage in different activities. For example flying from New York to Los Angeles exposes you to about the same amount of radiation as eight dental X-rays. Believe it or not, flying exposes you to an increased amount of radiation coming from space. A single flight across the ocean is no big deal but long-term elevated radiation exposure can increase your risk of some kinds of cancer, and it’s why workers that are exposed to elevated levels of things like X-rays are monitored to make sure exposure is kept to a minimum.
It got me thinking, while I listened to the slow and steady suction of spit from my oral cavity, “I wonder if Lois Lane, would have to wear a radiation safety badge?” I am totally unsure about the radiation output Continue reading
There are some things humans do better than bacteria. We, generally, are better at writing novels and constructing screenplays. That said some individuals are only marginally better at communicating their needs to others. Some bacteria communicate quite effectively chemically, while some people may not have such a record for clarity.
There is one area bacteria, such as E. coli and Bacillus subtilis, indisputably have us beat and that is in metabolism. These organisms can take a few simple salts, a carbon source (sugar), and just a few trace metals on the glass wear and readily grow. You or I … not so much. Though I’m sure if you carbonate that mixture and ad caffeine it would probably make a simply disgusting energy drink Continue reading
Being boiled alive has never seemed like an exciting activity to me. It’s not that I don’t enjoy a good cup of boiled water (tea leaves preferably included) I would just rather not be immersed in it. It has a remarkably negative impact on human life expectancy, because we just aren’t built to withstand temperatures of 212ºF (100ºC). I’ve also got to believe, that awareness of the safety hazard of very hot substances, is far from a recent development. One has to imagine that shortly after fire was discovered, some one to two million years ago, that it was followed by the discovery of stop, drop, and roll.
Boiling bacteria on the other hand, was a largely unconsidered endeavour until much later. Antonie von Leeuwenhoek learned that such things existed back in the late 1600’s when he was busy Continue reading