Science and Education Archives - Backwoods Home Magazine

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...

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 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: 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: 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...

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...

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:...

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...

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...

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...

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...

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...

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: 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...

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....