Thanksgiving

What am I thankful for today? An essentially benevolent universe.

What am I thankful for today?  An essentially benevolent universe.

Stars perished long ago, creating the substances from which our bodies our made.  In a living star, gravity crushes hydrogen atoms into helium ones.  Hydrogen and helium are the simplest elements.  They make up most of the matter in the universe, but we are made of more complicated stuff.…