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...
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,...
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: Dinosaurs
By O.E. MacDougal
July/August 2014 Backwoods Home
Biologists and paleontologists are now pretty certain that birds are part of the dinosaur lineage. Their extinct relatives include the T-Rex and velociraptors. So, dinosaurs are not really extinct,...
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 coming ice age
By John Silveira
Issue #86 • March/April, 2004
As little as 30 years ago the talk wasn't about global warming, it was about an imminent ice age. Is an ice age likely? Even possible? Consider this:...
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...
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...
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...
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...
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: 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...
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...
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...
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...































