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Mountain soils store twice as much carbon as scientists thought
8+ hour, 2+ min ago (726+ words) Hilly and mountainous landscapes store significantly more carbon in their soil than scientists had previously estimated " roughly twice as much as existing global models predicted." The finding flips a long-standing assumption: that rapidly eroding terrain would have thin, carbon-poor soils....
USGS unveils a new geologic map
17+ hour, 48+ min ago (865+ words) When the U. S. Geological Survey released its new interactive national geologic map, it closed a chapter that began more than two centuries ago. The story of mapping the rock beneath an entire continent stretches back to a single Scottish immigrant working…...
A hidden pollutant is changing how the world's forests breathe carbon
3+ day, 11+ hour ago (834+ words) A hidden pollutant is changing how the world's forests release carbon " and for decades, scientists could not agree on how. New research drawing on 168 forest experiments has now resolved that standoff. Whether nitrogen causes forest soils to release more or…...
Scientists found a rock clue that may explain how Earth's oceans changed before animals rose
4+ day, 14+ hour ago (810+ words) Building a shell or skeleton takes chemistry. The first animals to grow shells and skeletons needed an ocean loaded with specific minerals, but the forces that shaped ancient ocean chemistry and supplied those minerals have long been an open question....
Frozen squirrel droppings reveal lost Ice Age ecosystems
5+ day, 12+ hour ago (863+ words) Deep in the permafrost of Canada's Yukon, ancient ground squirrels left behind something far more valuable than bones. Their droppings, sealed in frozen burrows for hundreds of thousands of years, have turned out to be one of the richest genetic…...
Mystery behind violent volcano eruptions may finally be solved
5+ day, 10+ hour ago (842+ words) Spectacular jets of glowing rock soared into the sky above the Canary Islands for nearly three months in late 2021, burying farms and homes under fresh basalt. Some basaltic volcanoes just dribble out and ooze downhill instead. The chemistry of the…...
Scientists have finally identified the New Mexico reptile that had puzzled paleontologists for decades
6+ day, 8+ hour ago (658+ words) Picture a crocodile. Now erase the teeth. Stand it upright on two legs. Shrink the arms down to almost nothing. What you have left looks less like anything lurking in a Florida swamp and more like an ostrich with scales....
New species of microraptor dinosaur was a cousin of the dreaded Velociraptor
1+ week, 10+ hour ago (1104+ words) Some fossils make headlines as soon as they are discovered. Others wait years before their importance is revealed. The new species of microraptor, named Jian changmaensis, is one such fossil. Bones found in China's Gansu Province in 2008 have now been…...
Fossils from Egypt reveal how modern fish took over the oceans after the asteroid impact killed the dinosaurs
1+ week, 9+ hour ago (1036+ words) Fish have a missing chapter in their history. It starts 66-million-years ago, when an asteroid slammed into Earth and changed life forever. The impact wiped out the non-avian dinosaurs and triggered one of the largest mass extinctions the planet has…...
Fish-like robot demonstrates how early animals evolved to walk on land hundreds of millions of years ago
1+ week, 9+ hour ago (782+ words) About 375 million years ago, the ancestors of all land vertebrates hauled themselves out of the water and onto land. How they managed that transition, using fins not yet evolved into proper legs, is one of the great questions in the…...