Category Archives: Geography

The Great Unconformity has baffled geologists for a century

Motherboard reports: Scientists can reconstruct incredible details about bygone eras in Earth’s history using fossils, rocks, and other clues preserved in its crust. But sometimes, the absence of geological records is just as telling as their presence. The Great Unconformity, a missing chunk of time that appears in rocks across the world, is the ultimate… Read More »

Earth’s first continents may have appeared three-quarters of a billion years earlier than previously thought

Inside Science reports: Earth’s first continents may have emerged from the oceans roughly 750 million years earlier than previously thought, rising from the seas in a manner completely unlike modern continents. These early masses of solid rock may have floated buoyantly atop magma welling up from below, a new study finds. Unlike any other known… Read More »

The city is a lie

Sam Grinsell writes: The city is a lie that we tell ourselves. The crux of this lie is that we can separate human life from the environment, using concrete, glass, steel, maps, planning and infrastructure to forge a space apart. Disease, dirt, wild animals, wilderness, farmland and countryside are all imagined to be essentially outside,… Read More »

Nile river formed millions of years earlier than thought, study suggests

Live Science reports: For thousands of years, the Nile River has fertilized valleys along its winding path through northeastern Africa, anchoring ancient civilizations and still serving as an important route of transport and irrigation today. But the age of its venerable waters, which stretch over 4,225 miles (6,800 kilometers), has been debated, with one group… Read More »