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...
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: 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 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:...
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: 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 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...
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...
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...
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...
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 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...
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...
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...
