DNA

(Note: I have gone to some trouble — some, not a lot — to reconstruct a post that strangely and inexplicably disappeared just as it was being saved on Wednesday. Blogger went down and stayed that way much of yesterday. They called it maintenance problems. I call it uncanny.)

Douglas Adams, whose initials are DNA and who was born in Cambridge in 1952, the same day as...well, you know the rest, is receiving another periodic revivals over at MeFi. I guess May 11 was the 10th anniversary of his death, but book publishing anniversaries are also popular.
In the comment thread to the post calling attention to this piece was a cite to a speech of his I plan to keep in reserve. Because I will need it.

The fact that we live at the bottom of a deep gravity well, on the surface of a gas covered planet going around a nuclear fireball 90 million miles away and think this to be normal is obviously some indication of how skewed our perspective tends to be, but we have done various things over intellectual history to slowly correct some of our misapprehensions. Curiously enough, quite a lot of these have come from sand, so let's talk about the four ages of sand.