She kept to a pace she thought she could sustain for the whole distance. It was hard not to let loose and sprint at full speed, but no, no, that would lead to a collapse eventually. Pace yourself, she thought, gasping in short pants. Get down off the high ground into a graben so you’re out of sight. Keep oriented, are you passing south of the rover? Back up to the higher ground, for just a moment to look. There behind that low flat-topped hill, which was a small crater, with a hump on the south end of the rim — she was certain — though the rover was still out of sight, and the jumbled land was easy to get confused in. A thousand times she had gotten briefly semilost, unsure of her exact location in relation to some fixed point, usually her parked rover — not a big deal usually, as her wrist’s APS could always lead her back. As it could now too, but she was sure it was over there behind that bump of a crater.
The cold air burned in her lungs. She recalled the emergency face mask in her backpack, and stopped and yanked off the backpack and dug, pulled off the CO2 mask and put on the air mask; it contained a short supply of compressed oxygen in its frame, and with it pulled over her mouth and nose and turned on, she was suddenly stronger, faster, could hold a better pace. She ran along a strip of high ground between canyons, hoping to get a sighting of the rover round the slope of the crater apron. Ah, there it was! Panting triumphantly she sucked down the cool oxygen; it tasted lovely, but was not enough to stop her gasping. If she went down into the trough to her right it looked like it would run straight to the rover.
She glanced back and saw the polar bear running too, legs now in a shambling kind of gallop — lumbering — but it ate up the ground with that run, and the shallow canyon walls seemed no impediment to it, it flowed over them like a white nightmare, a thing beautiful and terrifying, the liquid flow of its muscles loose under thick yellow-tipped white fur. All this she saw in a single moment of the utmost clarity, everything in her field of vision distinct and acute and luminous, as if lit from within. Even running as hard as she could, focusing on the ground to make sure she didn’t trip over anything, she still saw the bear flowing over the red slope, like an afterimage. Pounding, running hard, boulder ballet; the bear was fast and the terrain nothing to it, but she too was an animal, she too had spent years in the back country of Mars, many more years in fact than this young bear, and she could run like an ibex over the terrain, from bedrock to boulder to sand to rubble, pushing hard but perfectly balanced, in control of the dash and running for her life. And besides the rover was near. Just up one last canyon side, and the slope of the apron, and there it was, she almost ran into it, stopped, reared up and pounded the curved metal side with a hard triumphant wham, as if it were the bear’s snout, and then with a second more controlled punch to the lock door console she was inside, inside, and the outer-lock door closed behind her.
She hurried upstairs to the driver’s aerie to look back. Through the glass she saw the polar bear below, inspecting her vehicle from a respectful distance. Out of dart-gun range, sniffing thoughtfully. Ann was sweating hard, still gasping hard for air, in and out, in and out — what violent paroxysms the rib cage could go through! And there she was, sitting safe in the driver’s seat! She only had to close her eyes and she saw again that heraldic image of the bear flowing over the rock; but open them and there the dashboard gleamed, bright and artificial and familiar. Ah so strange!
She was still in a kind of shock a couple of days later, able to see the polar bear if she closed her eyes and thought about it; distracted. By night the ice in the bay boomed and groaned, sometimes cracked explosively, so that she dreamed of the assault on Sheffield, groaning herself. By day she drove so carelessly that she had to put the rover on automatic pilot, instructing it to make its way along the shore of the crater bay.
While it rolled she wandered around the driver’s compartment, her mind racing. Out of control. Nothing to be done but laugh and endure it. Strike the walls, stare out the windows. The bear was gone but it wasn’t. She looked it up: Ursus maritimus, ocean bear; the Inuit called it Tomassuk, “the one who gives power.” It was like the landslide that had almost caught her in Melas Chasma, now a part of her life forever. Facing the landslide she had not moved a muscle; this time she had run like hell. Mars could kill her, no doubt it would kill her, but no big zoo creature from Earth was going to kill her, not if she could help it. Not that she was so enamored of life, far from it; but one should be free to choose one’s death. As she had chosen in the past, twice at least. But Simon and then Sax — like little brown bears — had snatched her death away from her. She still didn’t know what to make of that, how to feel about it. Her mind was racing so fast. She held on to the back of the driver’s seat. Finally she reached forward and punched Sax’s old First Hundred number on the rover’s screen keyboard, XY23, and waited for the AI to route the call to the shuttle returning Sax and the others to Mars; and after a while there he was, with his new face, staring into a screen.
“Why did you do it?” she shouted. “It’s my death to choose as I please!”
She waited for the message to reach him. Then it did and he jumped, the image of him jiggled. “Because — ” he said, and stopped.
Ann felt a chill. That was just what Simon had said, after he had pulled her back in out of the chaos. They never had a reason, only life’s idiot because.
Sax went on: “I didn’t want — it seemed like such a waste — what a surprise to hear from you. I’m glad.”
“To hell with that,” Ann said.
She was about to cut the connection when he started speaking again — they were in simultaneous transmission now, alternating messages, “It was so I could talk to you, Ann. I mean it was for myself — I didn’t want to be missing you. I wanted you to forgive me. I wanted to argue with you more and — and make you see why I’ve done what I’ve done.”
His chatter stopped as abruptly as it had started, and then he looked confused, even frightened. Perhaps he had just heard “To hell with that.” She could scare him, no doubt of that.
“What crap,” she said.
After a while: “Yes. Um — how are you doing? You look…”
She cut the connection. I just outran a polar bear! She shouted in her mind. I was almost eaten by your stupid games!
No. She wouldn’t tell him. The meddler. He had needed a good referee for his submissions to The Metajournal of Martian History, that was what it came down to. Making sure his science was properly peer-reviewed — for that he would crash around in a person’s most inward desires, in her essential freedom to choose life or death, to be a free human being!
At least he hadn’t tried to lie about it.
And — well — here she was. Rage; remorse without cause; inexplicable anguish; a strangely painful exhilaration: all this filled her at once. The limbic system, vibrating madly, spiking every thought with contradictory wild emotions, disconnected from the thoughts’ content: Sax had saved her, she hated him, she felt a fierce joy, Kasei was dead, Peter wasn’t, no bear could kill her, etc. — on and on and on. Oh so strange!
She spotted a little green rover, perched on a bluff over the ice bay. Impulsively she took over the wheel and drove up to it. A little face peered out at her; she waved through the windshields at it. Black eyes — spectacles — bald. Like her stepfather. She parked her rover next to his. The man gestured for her to come over, holding up a wooden spoon. He looked vague, only half pulled out of his own thoughts.
Ann put on a down jacket and went through the lock doors and walked between the cars, feeling the shock of the frigid air like a dousing in cold water. It was nice to be able to walk between one rover and another without suiting up, or, to get to the crux of the matter, risking death. Amazing that more people hadn’t been killed by carelessness or lock malfunction. Some had been, of course. Scores, probably, if you added them all up. Now it was just a dash of cold air.
The bald man opened his inner-lock door. “Hello,” he said, and offered a hand. “Hello,” Ann said, and shoo
k it. “I’m Ann.” “I’m Harry. Harry Whitebook.” “Ah. I’ve heard of you. You design animals.” He smiled gently. “Yes.” No shame; no defensiveness. “I was just chased by one of your polar bears.” “Were you!” His eyes opened round. “Those are fast!”
“So they are. But they’re not just polar bears, are they.”
“They’ve got some grizzly genes, for altitude. But mostly it’s just Ursus maritimus. They’re very tough creatures.”
“A lot of creatures are.”
“Yes, isn’t it marvelous? Oh excuse me, have you eaten? Would you like some soup? I was just making soup, leek soup, I guess it must be obvious.”
It was. “Sure,” Ann said.
Over soup and bread she asked him questions about the polar bear. “Surely there can’t be a whole food chain here for something that huge?”
“Oh yes. In this area there is. It’s well-known for that — the first bioregion robust enough for bears. The bay is liquid to the bottom, you see. The Ap mohole is at the center of the crater, so it’s like a bottomless lake. Iced over in winter of course, but the bears are used to that from the Arctic.”
“The winters are long.”
“Yes. The female bears make dens in the snow, near some caves in dike outcroppings to the west. They don’t truly hibernate, their body temperatures drop just a few degrees, and they can wake up in a minute or two, if they need to adjust the den for heat. So they den for as much of the winters as they can, then live in there and forage out till spring. Then in spring we tow some of the ice plates through the mouth of the bay out to sea, and things develop from there, bottom to top. The basic chains are Antarctic in the water, Arctic on the land. Plankton, krill, fish and squid, Weddell seals, and on land rabbits and h’ares, lemmings, marmots, mice, lynx, bobcat. And the bears. We’re trying with caribou and reindeer and wolves, but there isn’t the forage for ungulates yet. The bears have been out just a few years, the air pressure hasn’t been adequate until recently. But it’s a four-thousand-meter equivalent here now, and the bears do very well with that, we find. They adapt very quickly.”
“Humans too.”
“Well, we haven’t seen too much at the four-thousand-meter level yet.” He meant four thousand meters above sea level on Earth. Higher than any permanent human settlement, as she recalled.
He was going on: “… eventually see thoracic-cavity expansion, bound to happen…” A man who talked to himself. Big, bulky; white fur in a fringe around his bald pate. Black eyes swimming behind round spectacles.
“Did you ever meet Hiroko?” she said.
“Hiroko Ai? I did, once. Lovely woman. I hear she’s gone back to Earth, to help them adapt to the flood. Did you know her?”
“Yes. I’m Ann Clayborne.”
“I thought so. Peter Clayborne’s mother, isn’t that right?”
“Yes.”
“He’s been in Boone recently.”
“Boone?”
“That’s the little station across the bay. This is Botany Bay, and the station is Boone Harbor. A kind of joke. Apparently there was a similar pairing in Australia.”
“Indeed.” She shook her head. John would be with them forever. And by no means the worst of the ghosts haunting them.
As for instance this man, the famous animal designer. He clattered about the kitchen, pawing at things shortsightedly. He put the soup before her and she ate, watching him furtively as she did. He knew who she was, but he did not seem uncomfortable. He did not try to justify himself. She was a red areologist, he designed new Martian animals. They worked on the same planet. But that did not mean they were enemies, not to him. He would eat with her without malice. There was something chilling in that, overbearing despite his gentle manner. Obliviousness was so brutal. And yet she liked him; that dispassionate power, vagueness — something. He bumbled around his kitchen, sat and ate with her, quickly and noisily, his muzzle wet with the clear soup stock. Afterward they broke pieces of bread from a long loaf. Ann asked questions about Boone Harbor.
“It has a good bakery,” Whitebook said, indicating the loaf. “And a good lab. The rest is just an ordinary outpost. But we took the tent down last year, and now it is very cold, especially in the winter. Only forty-six degrees latitude, but we feel it as a northern place. So much so that there is some talk of putting the tent back up, in winter at least. And there are people who say we should leave it on until things warm up.” “Till the ice age is over?”
“I don’t think there will be an ice age. This first year without the soletta was bad, of course, but various compensations ought to be possible. A cold couple of years, that’s all it will be.”
He waggled a paw: it could go either way. Ann almost threw her chunk of bread at him. But best not to startle him. She controlled herself with a shudder.
“Is Peter still in Boone?” she asked.
“I think so. He was a few days ago.”
They talked some more about the Botany Bay ecosystem. Without a fuller array of plant life, animal designers were sharply limited; it was still more like the Antarctic than the Arctic in that respect. Possibly new soil-enhancement methods could speed the arrival of higher plants. Right now it was a land of lichen, for the most part. The tundra plants would follow.
“But this displeases you,” he observed.
“I liked it the way it was before. All Vastitas Borealis was barchan dunes, made of black garnet sand.”
“Won’t some remain, up next to the polar cap?”
“The ice cap will go right down to the sea line in most places. As you say, kind of like Antarctica. No, the dunes and the laminate terrain will be underwater, one way or another. The whole northern hemisphere will be gone.”
“This is the northern hemisphere.”
“A highland peninsula. And it’s gone too, in a way. Botany Bay was Arcadia Crater Ap.”
He looked at her through the spectacles, peering. “Perhaps if you lived at high altitude, it might seem like the old days. The old days, with air.”
“Perhaps,” she said cautiously. He was circling the chamber, shambling about with heavy steps, cleaning big kitchen knifes at the sink. His fingers ended in short blunt claws; even clipped they made it hard for him to work with small objects.
She stood up carefully. “Thanks for dinner,” she said, backing toward the lock door. She grabbed her jacket on the way out and slammed the door on his look of surprise. Out into the hard cold slap of the night, into her jacket. Never run away from a predator. She walked back to her car and climbed in without looking back.
The ancient highland of Tempe Terrawas dotted by a number of small volcanoes, so there were lava plains and channels everywhere; also viscous creep features caused by ground ice, and the occasional small outflow channel that had run down the side of the Great Escarpment; all this along with the usual collection of Noachian impact and deformational features, so that on the areological maps Tempe looked like an artist’s palette, colors splashed everywhere to indicate the different aspects of the region’s long history. Too many colors, in Ann’s opinion; for her the smallest divisions into different areological units were artificial, remnants of sky areology, attempting to distinguish between regions that were more cratered or more dissected or more etched than the rest, when in the field it was all one, with all of the signature features visible everywhere. It was simply rough country — the Noachian landscape, none rougher.
Even the floors of the long straight canyons called the Tempe Fossa were too broken to drive over, so Ann made her way indirectly, on higher land. The most recent lava flows (a billion years old) were harder than the disaggregated ejecta they had run over, and now they stood on the land as long dikes or berms. On the softer land between there were a lot of splosh craters, their aprons clearly the remnants of liquid flow, like drip castles at the beach. Occasional islands of worn bedrock stuck up out of all this debris, but by and large it was regolith, with signs everywhere of water in the land, of the permafrost underfoot, causing slo
w slumps and creeps. And now, with the increase in temperatures, and perhaps the heat coming up from the Vastitas underground explosions, all that creep had speeded up. There were new landslides all over the place: a well-known Red trail had been wiped out when a ramp into Tempe 12 had been buried; the walls of Tempe 18 had collapsed on both sides, making a U-shaped canyon into a V-shaped one; Tempe 21 was gone, covered by the collapse of its high west wall. Everywhere the land was melting. She even saw some taliks, which were liquified zones on top of permafrost, basically icy swamps. And many of the oval pits of the great alases were filled with ponds, which melted by day and froze by night, an action that tore the land apart even faster.
She passed the lobate apron of Timushenko Crater, buried on its northern flank by the southernmost waves of lava from Coriolanus Volcano, the largest of the many little volcanoes in Tempe. Here the land was extensively pitted, and snow had fallen, melted and then refrozen in myriad catchment basins. The land was slumping in all the characteristic permafrost patterns: polygonal pebble ridges, concentric crater fill, pingos, solifluction ridges on hillsides. In every depression an ice-choked pond or puddle. The land was melting.
On sunny south-facing slopes, wherever there was a bit of protection from the wind, trees were growing, over un-derstories of moss and grass and shrub. In the sun-filled hollows were krummholz dwarf trees, gnarled over their matted needles; in the shaded hollows, dirty snow and firn. The ruination of so much land. Broken land, empty but not empty, rock and ice and boggy meadow all lined by shattered low ridges. Clouds puffed out of nothing in the afternoon heat, and their shadows were another set of patches on things, a crazy quilt of red and black, green and white. No one would ever complain of homogeneity on Tempe Terra. Everything perfectly still under the rapidly moving shadows of the clouds. And yet there, one evening in the dusk, a white bulk slipping behind a boulder. Her heart jumped, but there was nothing further to see. But she had seen something; because just before full darkness, there was a knocking at the door. Her heart shuddered like the rover on its shock absorbers, she ran to a window, looked out. Figures the color of the rock, waving hands. Human beings.
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