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...
Theories of the universe
By Dave Duffy
Issue #66 • November/December, 2000
In a relatively short span of time, mankind has travelled from profound ignorance of our planet and the world in which we live to a rather detailed picture...
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: Sleep
By O.E. MacDougal
November/December 2017, Backwoods Home
For thousands of years, sleep has been one of life’s great mysteries. As humans, we spend about one-third of our lives sleeping, though as babies we spent about 16...
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...
A doomsday scenario to sleep on
By John Silveira
Issue #109 • January/February, 2008
I once wrote a science fiction novel that I never tried to sell. Titled The Perfect Defense, its first chapter appeared in the premier issue of BHM in...
Subduction zone tsunami — What the residents of the Pacific Northwest have to fear
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By John Silveira
Issue #94 • July/August, 2004
I was sitting in my cubicle poring over a map of the Oregon coastactually, just that part of the coast that is Gold Beach where Backwoods...
The world is ending! … Again?
By John Silveira
Issue #85 • January/February, 2004
People love to talk about scary stuff. Especially when it's end-of-the-world scary, such as the big asteroid recently in the news that was supposed to hit Earth and...
Gee-Whiz: Bad Fish, Big Fish
By O.E. MacDougal
January/February 2015, Backwoods Home
Fish were the very first vertebrates. That is, they were the first animals with backbones, the purpose of which is to sheathe and protect the nerves in the spinal...
The world is coming to an end… and this time, I’m not kidding
By John Silveira
Issue #114 • November/December, 2008
If you haven't already heard, on September 10, 2008, the Large Hadron Collider (LHC), located on the border of France and Switzerland, was turned on for a test...
Gee-Whiz: Trees
By O. E. Macdougal
September/October 2015, Backwoods Home
We’re told they include some of the oldest and largest living organisms on the planet. But do they? The fact is, only about one percent of a...
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...
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...
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...
Gee-Whiz: Coffee
By O.E. MacDougal
May/June 2018, Backwoods Home
Every second of every day about 26,000 cups of coffee are drunk around the world. That’s about 2¼ billion cups a day. But it’s still not the most widely...
Can we make a Tyrannosaurus rex from a chicken?
By John Silveira
Issue #169 • January/February, 2018
Do you have chickens, ducks, turkeys, or geese in your yard? They’re not “just birds” because scientists now realize birds are dinosaurs. Real dinosaurs! For 150 million years,...































