All the dates I learned when I started reading about DNA keep changing. The way I learned it, the genes for lighter skin and blue eyes were both very ancient, going back almost to Out of Africa. Now, it looks like the gene for blue eyes came before the gene for light skin.
http://news.yahoo.com/7-000-old-human-bones-suggest-date-light-190422120.html//cdn.embedly.com/widgets/platform.js
“The Likelihood of having an Ancestor with an Identity Different than One’s Own Increases (Nearly) Super-exponentially with Prior Generations”
Here’s some complicated math to show that your ancestors probably didn’t have the same cultural identity you do.
http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0085673//cdn.embedly.com/widgets/platform.js
Some people were worried about this.
After all the X chromosome news we’ve had lately, there’s not much anyone can say that’s really news. Except this. The big story here is the X chromosome doesn’t seem to re-combine quite as much as they thought it did.
http://dna-explained.com/2014/01/23/that-unruly-x-chromosome-that-is///cdn.embedly.com/widgets/platform.js
I love my atheist friends, but most of them are arguing about the G-d they learned about in 6th grade, and they think somehow that’s adult level of discussion.
“The question isn’t a scientific one, about which things exist. It’s a philosophical one, about what existence is and on what it depends.”
http://www.theguardian.com/news/oliver-burkeman-s-blog/2014/jan/14/the-theology-book-atheists-should-read//cdn.embedly.com/widgets/platform.js