What to Feel Thankful for on Thanksgiving? How About a Universe Minutely Tailored for You

It's a Thanksgiving custom with many families to go around the table and everyone has to say what he or she is especially thankful for. This puts everyone on the spot -- perhaps that's the point -- and can be an occasion for awkwardness since some may feel more or less "blessed" than their dining companions.

But how about this? A reason to be thankful that equally encompasses every human being that has ever existed and will ever exist.

That's the thesis advanced by biologist Michael Denton...