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Its 22 minutes long.

Thank you for reply. I'll see if I can face it tomorrow!!

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Basically, before you get to biology the chemistry has to be in place, and accidental chemistry of the order needed is an impossibility.

Wel, obviously it wasn't an impossibility because it-whatever it was - happened.

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The scientist in the video explains it much better than I could. There are some pauses of a few seconds where textual headings are displayed between sections of his talk, but otherwise, its all talking.

Hmmmm, I have a hair-do in the morning and an hour-long, root canal dental appointment in the afternoon. I wonder which will be the most interesting event of the day - either of those two or the video?

I'm also reading a one-volume-of-braille book (i.e. must have been a slim paperback) about Descartes which I think might b the subject of a topic.

susan