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 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....
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...
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,...
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,...
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...
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...
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: 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...
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 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...
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: 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...
