Science and Education Archives - Backwoods Home Magazine

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...

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...

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:...

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 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: 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...

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....

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...

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...

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...

Avian Flu — How afraid of this

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...

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: 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...

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...

Subduction zone tsunami — What the residents of the Pacific Northwest have to fear

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...