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The light dimmed progressively. In the gathering darkness Suza

“Watching these scenes makes us smile at our own primitiveness,” Sufa said.

“Indeed,” Arak agreed. “We didn’t have worker clones at that ancient time.”

Suza

“That’s correct,” Arak answered. He suppressed a laugh. He and Sufa were apparently amused by the antics of an individual trying to lift a block of stone. “Excuse us from finding this so fu

“What happened?” Suza

“Because of the Dark Period,” Arak said. “Our civilization had almost a million years of peaceful progress until we became aware of ominous developments in a galaxy close to ours. Within a relatively short time a series of cataclysmic supernova explosions occurred, effectively showering earth with enough radiation to dissipate the ozone layer. We could have dealt with that, but our scientists also recognized that these galactic events also upset the delicate balance of the solar system’s asteroid population. It became evident the earth was to be showered with planetesimal collisions, just as had happened when it was in its primordial state.”

“For crying out loud!” Richard moaned. “I can’t take much more of this.”

“Quiet, Richard!” Suza

“Exactly,” Arak said. “We knew the surface of the earth would become uninhabitable. It was a desperate time. We searched the solar system for a new home without success, and had not yet developed the time technology to search other galaxies. Then it was suggested that our only chance for survival was to move underground, or actually under the ocean. We had the technology so we did it in a miraculously short time. And very soon after we moved, the world as we knew it was consumed in deadly radiation, asteroidal bombardment, and geological upheaval. It was a close call even under the protective layer of the ocean, because at one point the ocean came close to boiling away from the intense heat. All life forms on earth were destroyed except for some primitive bacteria, some viruses, and a bit of blue-green algae.”

Suddenly the screen went blank and the illumination in the room returned.

Everyone was quiet.

“Well, there you have it,” Arak said. “A concentrated capsule of Interterran history and scientific fact. Now, I’m sure you’ll have questions.”

“How long did the Dark Period last?” Suza

“A little more than twenty-five thousand years,” Arak answered.

Suza

“But you stayed under the ocean,” Perry said. “Why didn’t your people return to the earth’s surface?”

“For two main reasons,” Arak said. “First, we had everything we needed and we’d become accustomed to our environment. And second, when surface life evolved anew, the bacteria and viruses that developed were organisms to which we had never been exposed. In other words, by the time the climate would have permitted our reemergence, the biosphere was antigenically inimical to us. Perhaps deadly is a better word, unless we were willing to go through a strenuous adaptation. And so here we remain, very happy and content especially since here under the ocean we are not at the whim of nature. Of all the universe we have visited thus far, this small planet is the best suited to the human organism.”

“Now I understand why we had to go through such a strenuous decontamination,” Suza

“Exactly,” Arak said. “And at the same time you had to be adapted to our organisms.”

“In other words,” Suza

“Almost the same outcome,” Arak said. “There were some differences in certain species. At first we were surprised about this, but then it made sense in that the original DNA is the same. Multicellular life evolved from the same blue-green algae in both instances and with approximately the same climatic conditions.”

“Which is why you refer to yourselves as first-generation humans,” Suza

Arak smiled with satisfaction. “We counted on your understanding all this as rapidly as you have, Dr. Newell,” he said.

Suza

“Excuse me,” Arak said. “I don’t mean to interrupt, but that’s not the same as our original continent. Pangaea formed de novo during the latter part of the Dark Period geological upheavals. Our continent suffered complete subduction into the asthenosphere prior to that.”

Suza

Arak smiled contentedly again. “Your grasp of these basic fundamentals is heartening indeed, Dr. Newell. But we had anticipated as much even before your arrival.”

“Before I arrived?” Suza

“Nothing,” Arak added quickly. “Nothing at all. Perhaps we should remind your colleagues that it was the breakup of Pangaea that formed the present continental configuration.”

“That’s true,” Suza

“Well, then,” Arak said, marshaling some enthusiasm by rubbing his hands together. “I can only imagine how all this information affects you people. Having one’s preconceived and accepted notions dashed is a daunting experience. That’s why we have been insisting on going slowly with your introduction to our world. I’d venture to guess that you’ve already had enough talk, too much perhaps. At this point I think it would be better to show you some of the ways we live, firsthand.”

“You mean go out into the city?” Richard asked.

“If that will be agreeable to everyone?” Arak said.

“Count me in,” Richard said eagerly.

“Me, too,” Michael echoed.

“What about the rest of you?” Arak asked.

“I’ll go,” Suza

“Of course I’ll go,” Perry said when Arak looked at him.