We're own own grandparents

A secret conference that never officially existed really goes missing.

The scientists of the Occam's Razor Deniers conference had gathered in a remote Alaskan venue for reasons of absolute security. The site sat near a small town and a military base that had grown up around a secret HAARP station, its true purpose known only to a handful of officials. On the morning the event began, the sky over the compound looked ordinary. Then the ground shifted without warning.

In less than a minute a circular zone 22.57 miles wide, containing the conference buildings, the town, the base, and every living person inside it, vanished from the present and reappeared in an unbroken landscape of dense forest, warm shallow seas, and unfamiliar mammals. The air carried the heavy scent of ancient vegetation. No radio signals answered. No satellites responded. Within the first hour the assembled researchers, military personnel, and townspeople confirmed the impossible: every clock, every instrument, and every geological sample pointed to the late Eocene, roughly 35 million years in the past. There was no pathway home.

Panic gave way to inventory. The HAARP station had been stocked for multi-year isolation. Its underground levels held sealed stores of grain, seed packets of domesticated crops in plantable form, and an extensive vertical farming complex already operating under artificial light. Among the seeds were quinoa, wheat, beans, and dozens of other cultivars. Deeper still lay climate-controlled chambers growing tropical plants that had been maintained for nutritional research: bananas, limes, citrus varieties, and other fruits intended to supplement standard rations. The facility had been designed so that complete nutrition could be sustained indefinitely. Malnutrition would not be a limiting factor.

With survival assured for the immediate future, the group turned to longer horizons. Geneticists among the scientists mapped the available population and established a careful first-generation breeding program limited to those still of childbearing age. The goal was to preserve maximum diversity and avoid any bottleneck. At the same time engineers reactivated the station's solar-concentrating arrays and molten-salt thermal storage systems. Power remained abundant. Vertical farms expanded without the need to clear forest for open fields. Land management protocols emphasized minimal footprint, closed nutrient loops, and respect for the surrounding Eocene ecosystems.

Within a decade small, high-technology settlements dotted the coastline of the relocated zone and beyond. Each was compact, largely self-sufficient, and linked by efficient transport. The society spread rapidly yet remained ecological, its cities rising as clusters of multi-story habitats with only modest support areas around them. Solar concentrators and molten-salt plants provided clean energy. Food production stayed vertical. The people adapted, taught their children the sciences they had brought with them, and watched the ancient world with disciplined curiosity.

Centuries later the coastlines that had seemed ideal proved treacherous. Periodic earthquakes and sudden water impacts generated devastating tsunamis that erased entire settlements in single nights. Survivors rebuilt farther inland or higher on the slopes, yet the disasters continued. Over generations the cohesive society fractured under the repeated losses. Political cohesion dissolved. Knowledge became unevenly distributed. Eventually only scattered groups of explorers remained, moving through the vast Eocene forests and along the changing shores.

In isolation, selective pressures intensified. Traits that once varied within normal human ranges grew exaggerated in the small founder populations. Some lineages developed greater robustness, others heightened sensory acuity, still others unusual skeletal proportions. These groups encountered and interbred, over immense spans of time, with nearly every emerging hominin form the evolving world produced. The resulting lineages mixed and recombined in convoluted sequences until, millions of years later, the genetic streams converged again into the single species that would one day call itself Homo sapiens. Every modern human carried, in distant and tangled inheritance, the legacy of those first relocated people who had woken one ordinary Alaskan morning to find themselves 35 million years from home.