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...
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:...
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...
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...
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: 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...
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...
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: 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,...
The ‘risks’ with Swine Flu
By John Silveira
Issue #118 • July/August, 2009
Do we have anything to worry about the reemergence of Swine Flu Novel Influenza A (H1N1) this fall? The short answer is: Probably not. There are...
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...
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...
The many benefits of garlic
By Joe Knight
Issue #113 • September/October, 2008
Garlic, used throughout the world for the taste it adds to foods, is also well known for its medicinal benefits. Known as Allium sativum in the botanical world,...
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...
