Human wisdom counts less than the shimmer of beeches in the breeze. As certain as weather coming from the west, the things people know for sure will change. There is no knowing "for a fact". The only dependable things are humility and looking. -- Richard Powers
Josh Mitteldorf, a senior editor at OpEdNews, blogs on aging at http://JoshMitteldorf.ScienceBlog.com. Read how to stay young at http://AgingAdvice.org.
Educated to be an astrophysicist, he has branched out from there to mathematical (more...)