A Hubble Space Telescope photograph of the universe evokes far more awe for creation than light streaming through a stained glass window in a cathedral.

Play hard, work hard, love hard. . . .The bottom line for me is to live life to the fullest in the here-and-now instead of a hoped-for hereafter, and make every day count in some meaningful way and do something-no matter how small it is-to make the world a better place.

Machine intelligence of a human nature could be a century away, and immortality is at least a millennium away, if not unattainable altogether.

The actual atoms and molecules that make up my brain and body today are not the same ones that I was born with on September 8, 1954, a half-century ago this month.

In science, if an idea is not falsifiable, it is not that it is wrong, it is that we cannot determine if it is wrong, and thus it is not even wrong.

Mammals are sentient beings that want to live and are afraid to die. Evolution vouchsafed us all with an instinct to survive, reproduce and flourish.

I just witnessed an event so mysterious that it shook my skepticism.