organization. During the Humanist troubles, when the Psychotechs were booted out of government on Earth and their files ransacked, it had dissociated itself from them and carried on unobtrusively. (How much of their secret records had it taken along?) Since the Restoration, it had grown, drawing in many prominent researchers and making discoveries of high value to medicine and bio-engineering. The current director was Dr. Marcus Lang, formerly of New Harvard, the University of Luna, and—No matter. He'd been running the show for eight years, after his predecessor's death.

Or had Tokogama really died?

He couldn't be identical with Lang—he had been a short Japanese and Lang was a tall Negro, too big a jump for any surgeon. Not to mention their simultaneous careers. But how far back could you trace Lang before he became fakeable records of birth and schooling? What young fellow named Yamatsu or Hideki was now polishing glass in the labs and slated to become the next director?

How fantastic could you get on how little evidence?

Radek let the text fade from the screen and sat puffing another cigaret. It was a while before he demanded references on the biology of the aging process.

That was tough sledding. He couldn't follow the mathematics or the chemistry very far. No good popularizations were available. But a newsman got an ability to winnow what he learned. Radek didn't have to take notes, he'd been through a mind-training course; after an hour or so, he sat back and reviewed what he had gotten.

The living organism was a small island of low entropy in a universe tending constantly toward gigantic disorder. It maintained itself through an intricate set of hemostatic mechanisms. The serious disruption of any of these brought the life-processes to a halt. Shock, disease, the bullet in the lungs or the ax in the brain—death.

But hundreds of thousands of autopsies had never given an honest verdict of "death from old age." It was always something else, cancer, heart failure, sickness, stroke ... age was at most a contributing cause, decreasing resistance to injury and power to recover from it.

One by one, the individual causes had been licked. Bacteria and protozoa and viruses were slaughtered in the body. Cancers were selectively poisoned. Cholesterol was dissolved out of the arteries. Surgery patched up damaged organs, and the new regeneration techniques replaced what had been lost ... even nervous tissue. 

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