The Skeptical Teacher

Musings of a science teacher & skeptic in an age of woo.

Archive for July 6th, 2010

Convergence/Skepchicon Day 3: Evolution Mythbusters

Posted by mattusmaximus on July 6, 2010

The final talk I attended at Convergence/Skepchicon was titled “Evolution Mythbusters”, and the panelists included Bug Girl, Greg Laden, Ted Meissner (moderator), and PZ Myers. It was a very wide-ranging discussion of the issues of modern evolutionary science and dealing with creationist nonsense. Check it out…

Evolution Mythbusters

Ted: What are some of our favorite misconceptions regarding evolution?

Bug: I think my favorite one is that “bumblebees shouldn’t be able to fly”.  In Jerry Seinfeld’s “Bee Movie” they said that bee’s should not be able to fly, so it must be a miracle.  But this is premised on the assumption that the wings of bees are fixed, whereas in reality they bend & are flexible.

Greg: The misconception that humans evolved from apes or that they didn’t evolve from apes, because they are both correct AND incorrect.  But there’s a new one most people don’t know about, and that’s that behaviors can be genetic.  Behaviors develop in individuals in ways that are mostly determined by the environment and not by your genes.  This relates to gender issues, race, etc.  My issue is that there is a Darwinian theory of behavior.

PZ: This has to do with sex & evolution and the panel last night… here’s what was happening all the time.  People raised their hands and asked “why am I gay?”  And people on the panel were trying to figure this out, whereas the reality is that most of what makes you human (and who you are) comes about purely by chance.  What has been subject to selection in the last few million years?  Our immune system and sexual selection.  And when you analyze the genome further you find a handful of proteins that show signs of selection, and most of them are doing very obscure sort of things.  For example, genes for lactose tolerance show up which show signs of selection.  Otherwise, all this speculation about a “gay gene” doesn’t just work – most of that is the product of chance, not selection.

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