Where Did that Itch Come From?

Much of what goes on in our brains happens without our awareness. The cells in our brain constantly exchange messages with various parts of our body through nerve cells called neurons, which pass on messages via electrical impulses. We see, hear, feel, taste, and are aware of our body sensations and position, not at the…

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Just Where Am I?

I reflected recently on how technology has changed map making. In ancient times map makers had to face innumerable dangers, disease and shipwreck, in their efforts to make an accurate survey of a coastline. And mapping the interior of a country involved battling deserts, mountains and impassable rivers. Even after the field data was collected,…

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How Long Will I Live?

The life expectancy tables used by insurance companies give a clear picture about our longevity.  This explains why smokers pay fifty percent more on their insurance policies.  Research has verified that the cost of smoking entails more than the money spent on cigarettes. Life expectancy in Western countries has been increasing steadily over the last…

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Just Where Is Cyberspace?

These days people talk about cyberspace as if it were a new location out there in regular space. Cyberspace is not spacial the way your house is. When people talk about cyberspace, they’re talking about a virtual place, generated by computers communicating. Cyberspace is information. It’s the word we now use for that huge network…

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Warm Blooded Plants

Few people realize that some plants can actually thermo-regulate themselves. They behave as if they were mammals by altering heat production to keep their temperatures surprisingly constant. Plants with the ability to warm themselves include philodendron, Jack in the Pulpit, Skunk Cabbage and many members of the Lily family. Experiments on some species of philodendron…

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