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Published news and blog articles, organized by category. Browse older coverage by month or search for a topic. Undated blog guides appear after dated news.
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How the Colorado River Carved the Grand Canyon
How the Colorado River Carved the Grand Canyon | N43 N43 ANALYSIS WORLD · 172 N43 ANALYSIS · GEOLOGY How the Colorado River Carved the Grand Canyon A mile-deep gash in the Arizona desert, carved over six million years by a river that has…
The Amazon River and Its Tributaries
The Amazon River and Its Tributaries | N43 N43 ANALYSIS WORLD · 171 N43 ANALYSIS · WORLD The Amazon River and Its Tributaries Follow Earth's largest river by discharge from Andean headwaters to the Atlantic, through a web of tributaries…
How the Nile River Shaped Civilization
How the Nile River Shaped Civilization | N43 N43 ANALYSIS WORLD · 170 N43 ANALYSIS · WORLD How the Nile River Shaped Civilization The annual flood that turned a narrow green corridor through the Sahara into one of history's most durable…
The Amazon Rainforest Ecosystem
The Amazon Rainforest Ecosystem | N43 N43 ANALYSIS WORLD · 169 N43 ANALYSIS · WORLD The Amazon Rainforest Ecosystem A living system the size of a continent: how the world's largest tropical rainforest stores carbon, generates rainfall, and…
How Madagascar Split from Africa
How Madagascar Split from Africa | N43 N43 ANALYSIS WORLD · 168 N43 ANALYSIS · WORLD How Madagascar Split from Africa Madagascar is not a piece of Africa that merely floated away. Its continental crust was rearranged through the breakup of…
The Galápagos Islands and Evolution
The Galápagos Islands and Evolution | N43 N43 ANALYSIS WORLD · 167 N43 ANALYSIS · WORLD The Galápagos Islands and Evolution The Galápagos did not prove evolution with one magical bird. They made a process visible: volcanic islands,…
How Iceland Formed on a Rift
How the Dead Sea Is Dying
How the Dead Sea is dying | N43 N43 ANALYSIS WORLD · 162 N43 ANALYSIS · WORLD GEOGRAPHY How the Dead Sea Is Dying The Dead Sea is not vanishing because salt suddenly stopped working. Its water budget has been pushed into deficit: far less…
The Iceman Ötzi and His Discovery
The Iceman Ötzi and His Discovery | N43 N43 ANALYSIS WORLD · 161 N43 ANALYSIS · WORLD The Iceman Ötzi and His Discovery A 5,300-year-old mummy found frozen in the Alps has transformed our understanding of Copper Age Europe. The story of…
How the Sahara Was Once Green
How the Sahara Was Once Green | N43 N43 ANALYSIS WORLD · 160 N43 ANALYSIS · WORLD How the Sahara Was Once Green During the African Humid Period, the world's largest desert was a landscape of lakes, rivers, savanna, and human civilization.…
The Dust Bowl of the 1930s
The Dust Bowl of the 1930s | N43 N43 ANALYSIS WORLD · 159 N43 ANALYSIS · WORLD The Dust Bowl of the 1930s How drought, broken sod, and relentless wind turned the American Great Plains into a vast dust corridor and reshaped a nation. By N43…
How the Aral Sea Dried Up
How the Aral Sea Dried Up | N43 N43 ANALYSIS WORLD · 158 N43 ANALYSIS · ENVIRONMENT How the Aral Sea Dried Up The Aral Sea was once the fourth-largest lake on Earth. In four decades, Soviet irrigation projects drained it into desert —…
The Chernobyl Exclusion Zone Today
The Chernobyl Exclusion Zone Today | N43 N43 ANALYSIS WORLD · 157 N43 ANALYSIS · NUCLEAR LEGACY The Chernobyl Exclusion Zone Today Forty years after the world's worst nuclear disaster, the Chernobyl Exclusion Zone has become an accidental…
How Mount St. Helens Erupted
How Mount St. Helens Erupted | N43 N43 ANALYSIS WORLD · 156 N43 ANALYSIS · GEOLOGY How Mount St. Helens Erupted The deadliest volcanic eruption in American history unfolded in minutes on May 18, 1980, after two months of warning signs that…
The 1906 San Francisco Earthquake
The 1906 San Francisco Earthquake | N43 N43 ANALYSIS WORLD · 153 N43 ANALYSIS · WORLD The 1906 San Francisco Earthquake How a magnitude 7.9 rupture on the San Andreas Fault leveled one of America's great cities, ignited a three-day…
The Hindenburg Disaster
The Hindenburg disaster | N43 N43 ANALYSIS WORLD · 149 N43 ANALYSIS · WORLD HISTORY The Hindenburg Disaster A 245-metre airship came in to land at Lakehurst, New Jersey. Within seconds, its hydrogen-filled envelope was burning, and an era…
How the Titanic Sank
How the Titanic sank | N43 N43 ANALYSIS WORLD · 148 N43 ANALYSIS · WORLD HISTORY How the Titanic Sank The iceberg did not simply punch one dramatic hole. A sequence of small breaches, design limits, delayed decisions, and too few lifeboats…
How Angkor Wat Was Constructed
How Angkor Wat Was Constructed | N43 N43 ANALYSIS WORLD · 144 N43 ANALYSIS · ARCHITECTURE How Angkor Wat Was Constructed The largest religious monument ever built — 162 hectares of stone towers, moated enclosures, and carved galleries —…
The Lost Civilization of Atlantis Myth
The Lost Civilization of Atlantis Myth | N43 N43 ANALYSIS WORLD · 141 N43 ANALYSIS · MYTHOLOGY The Lost Civilization of Atlantis Myth For over two millennia, the story of a sunken civilization has captivated imaginations — but what Plato…
The Science of Plate Tectonics
The Science of Plate Tectonics | N43 N43 ANALYSIS WORLD · 105 N43 ANALYSIS · GEOLOGY The Science of Plate Tectonics Earth's outer shell is not static. It is fractured into more than a dozen rigid plates that drift, collide, and split apart…
The Yangtze River and Three Gorges Dam
The Yangtze River and Three Gorges Dam | N43 N43 ANALYSIS WORLD · 179 N43 ANALYSIS · WORLD The Yangtze River and Three Gorges Dam The Three Gorges Dam is one of the largest interventions ever made in a river. It generates electricity and…
How the Rhine Shaped European Trade
How the Rhine Shaped European Trade | N43 N43 ANALYSIS WORLD · 178 N43 ANALYSIS · WORLD How the Rhine Shaped European Trade The Rhine connected Alpine water, German industry, Dutch ports, and the markets of Europe. Its trade history is a…
The Mississippi and Its Floods
The Mississippi and Its Floods | N43 N43 ANALYSIS WORLD · 177 N43 ANALYSIS · WORLD The Mississippi and Its Floods The Mississippi is not merely a river that occasionally overflows. It is a continent-scale drainage system whose floods…
The Eruption of Krakatoa
The Eruption of Krakatoa | N43 N43 ANALYSIS WORLD · 155 N43 ANALYSIS · WORLD The Eruption of Krakatoa In August 1883, the volcanic island of Krakatoa tore itself apart in the loudest sound ever recorded, generating tsunamis that killed…
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