Well, you could rejuvenate a man like a tree. Cut off bad memories of him, scrape off all pain, all disappointments, like dead tissue; cut off mistakes, stupid decisions, mistakes, x-ray thoughts. And that it...

It’s a shame, when I’m at the checkout line, and the cashier holds up my bill to the light, in search for a ghost president, or slashing a yellow marker to see if counterfeit. Even...

The x-ray of your skull shows a large, flobby mass floating inside. I have to consult my colleagues to be certain, but it looks like a long sausage snarled into a lump.

In describing a protein it is now common to distinguish the primary, secondary and tertiary structures. The primary structure is simply the order, or sequence, of the amino-acid residues along the polypeptide chains. This was...

I was working with a Crookes tube covered by a shield of black cardboard. A piece of barium platino-cyanide paper lay on the bench there. I had been passing a current through the tube, and...