Suboptimal Design

Vestigial features and atavistic traits are all evidence of our past.  They are glimpses into a species distant past. We have nature and evolution by natural selection to thank for it. But nature’s not perfect.  It makes mistakes.   Evolution Talk is also a book! You...

About Those Fingerprints

When it comes to personal IDs, we have many.  There’s your driver’s license, passport, online username, among other human-made forms of proving who you are.  Then there are those that nature gave you that’s yours and yours alone.  Like your DNA. And then there are...