A brief history of health and medicine
By John Silveira
Issue #100 • July/August, 2006
As little as a century ago, the average life span in the United States was 49 years. Today it is 77. Fifty years ago, the average life span...
How big is the solar system?
By John Silveira
Issue #60 • November/December, 1999
In artists' renderings of the solar system we often see the sun represented by a small sphere with the planets drawn fairly close by. In truth, drawings like...
The MTHFR mutation and why it may matter to you
By John Silveira
Issue #170 • March/April, 2018
This is an article with both anecdotal evidence and science. It is about me, anxiety and depression, a gene mutation, and a 17-cent-a-day “treatment” that works (for me).
All...
Avian Flu — How afraid of this
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Avian Flu
How afraid of this chicken should you be?
By John Silveira
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Issue #97 • January/February, 2006
There's been a lot of talk in the mass media recently about Avian flu, also known as Bird flu and...
Gee-Whiz: Alcohol
By O.E. MacDougal
Backwoods Home
Did early man first cultivate grains just to get drunk?
The brewing of beer is older than civilization and goes back at least 9,000, and perhaps more than 12,000, years. Evidence of...
Testing Soil
By Tom Kovach
Issue #119 • September/October, 2009
Testing the soil content of a garden is very important and is quite easy to do. Soil tests are needed because some plants prefer slightly acidic soil, while...
Science and truth. Are they related?
By John Silveira
Issue #46 • July/August, 1997
It was an argument about science. Dave and I were on one side, Dave's friends Tom and Bill, though curiously nonallied, were on the other. I say nonallied...
Three more ways the world can end … and I’m not kidding
By John Silveira
Issue #155 • September/October, 2015
"What are you doing?" a voice asked.
I looked up and saw O.E. MacDougal, Dave's poker-playing friend from Southern California, and he's now my friend, too. Accompanying him was...
Gee-Whiz: Insects
By O. E. MacDougal
November/December 2015, Backwoods Home
Some 400 million years ago, in the Devonian Period, insects evolved from crustaceans. Since that time, they have been one of the most successful life forms on the...
Gee-Whiz: Presidents
By O.E. MacDougal
November/December 2016, Backwoods Home
I could spend all day coming up with interesting trivia about the Presidents and those who surround them — wives, children, assassins, etc. I could literally fill this magazine...
Gee-Whiz: Ice Ages, Past and Future
By O. E. MacDougal
January/February 2016, Backwoods Home
Most people don’t know that we’re currently in an ice age and have been for the last 2.58 million years. It’s called the Quaternary Ice Age. Again and...
The threat of electromagnetic pulse!
By John Silveira
Issue #132 • November/December, 2011
I like "doomsday" scenarios even ridiculous ones, such as the supposed Mayan calendar prophecy for 2012 or what had been Y2K doom-and-gloom leading up to the year...
Zombie Apocalypse
By John Silveira
Issue #134 • March/April, 2012
"Can you survive a zombie apocalypse?" a familiar voice asked.
I turned in my seat to see O.E. MacDougal, Dave Duffy's poker-playing friend from Southern California, walking toward me....
Gee-Whiz: From Paper to Canning
By John Silveira (aka O.E. MacDougal)
May/June 2017 Backwoods Home
The greatest inventions in history are the ones we now take for granted. Fire and the wheel-axle combination are among them. If we weren’t taught in...
Gee-Whiz: Time
By O.E. MacDougal
July/August 2016, Backwoods Home
Time. We can’t see, feel, hear, smell, or taste it, but we can measure it and we break it up into smaller and smaller increments. We’ll probably never know...
The gee-whiz! page — Cats: Why they rule our world
By O. E. MacDougal
Issue #170 • March/April, 2018
House cats
A recent Gallup poll showed that cat ownership is pretty much evenly distributed between men and women, and that roughly 34 percent of all U.S. homes...































