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...

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...

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...

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...

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...

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: 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 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:...

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

<!-- Subduction zone tsunami --> By John Silveira Issue #94 • July/August, 2004 I was sitting in my cubicle poring over a map of the Oregon coast—actually, just that part of the coast that is Gold Beach where Backwoods...

Gee-Whiz: Alcohol

By O.E. MacDougal Backwoods Home Did early man first cultivate grains just to get drunk? The brewing of beer is older than civilization and goes back at least 9,000, and perhaps more than 12,000, years. Evidence of...

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...

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...

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...

Avian Flu — How afraid of this

<!-- Avian Flu How afraid of this chicken should you be? By John Silveira --> 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...