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Mar 30, 2021

We don’t know why dogs became man’s best friend, but we have some ideas.  And those ideas take us back anywhere from 10,000 to 40,000 years ago.They are perhaps the perfect visual example when it comes to witnessing the power of the gene pool and how a selection process, whether natural or artificial, can affect it.


Mar 9, 2021

In this episode I want to introduce you to someone.  Actually, this someone is a thing, and this thing wiggled its way through life between two to four billion years ago.

Listener, meet LUCA. Your Last Universal Common Ancestor.

LUCA, meet your descendant.

 

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Feb 2, 2021

As a kid I was fascinated by the idea of cavemen.  Of course, all I had to go on were a few porrply produced movies that depicted cavemen battling dinosaurs, which of course never happened.  I even owned an early plastic model of a Cro-Magnon man and woman.  To me the Cro-Magnon were indistinguishable from the...


Jan 5, 2021

Many years ago, in 1977, astonomer and author Carl Sagan offered us the concept of a “Cosmic Calendar” in his book The Dragons of Eden.  It’s a fun thought experiment in which you take the entire hisrory of the universe, from the Big Bang until now, and represent it as calendar year. 

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