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News
Ancient wildfires may have inspired one of humanity’s biggest inventions
2+ day, 12+ hour ago (880+ words) Ancient wildfires may have inspired pottery by showing early farmers how fire could transform ordinary clay into a hard, durable material. Long before anyone deliberately shaped a bowl, a stretch of ancient wildfires may have quietly handed early farmers the…...
324-million-year-old insect fossil reveals early life on Earth roamed between water and land
5+ day, 7+ hour ago (956+ words) A 324-million-year-old fossil suggests early insects lived between water and land as their bodies gradually changed over time. Life on Earth changed greatly when animals began moving from water onto land. It happened in stages, and some early animals, including…...
Ancient iron reveals how mountains and plants reshaped Earth
1+ week, 2+ day ago (703+ words) Ancient iron deposits reveal how mountain building and the spread of land plants transformed Earth's iron cycle over the past 1.2 billion years. For decades, scientists have relied on ancient iron deposits to trace how Earth’s oceans and atmosphere first filled…...
The U.S. could be sitting on a strategic antimony resource: part of the ore is already at the surface
2+ week, 6+ day ago (1222+ words) Antimony rarely receives the attention given to copper, lithium, or gold. This lustrous, silvery metalloid straddles the line between metals and nonmetals, possessing the unusual quirk of expanding… Antimony rarely receives the attention given to copper, lithium, or gold. This…...
An octopus’s arms contain more neurons than its central brain, and scientists have learned how they are organized
3+ week, 1+ day ago (1047+ words) Octopus arms have an axial nerve cord built in repeating segments, the first case of nervous system segmentation documented in any mollusk. An octopus feeling its way into a rock crevice is not waiting on orders from its brain. Most…...
Deep Atlantic life depends on oxygen from one surprising place
3+ week, 3+ day ago (779+ words) A new study traces a vast share of the deep North Atlantic’s oxygen supply to the Labrador Sea, revealing its critical role in sustaining marine life. Miles below the surface of the North Atlantic, in total darkness, there’s an entire…...
Volcanoes deliver rock older than the continents
3+ week, 5+ day ago (782+ words) No drill has ever reached the mantle, so scientists depend on volcanoes to deliver the samples instead. Lava from Hawaii and Iceland carries helium, ruthenium, and tungsten signatures that point to a source near the boundary with Earth's core, about…...
A volcano that erupted near Mayotte in 2018 brought something extraordinary to the surface: a material from Earth’s birth 4.4 billion years ago
1+ mon, 3+ day ago (1112+ words) A young underwater volcano near Mayotte has carried a chemical memory of Earth’s birth all the way to the seafloor. And it’s an ancient one. Lava from Fani… Lava from Fani Maoré contains signs of mantle material formed within the…...
How extreme cold and low precipitation make Antarctica the largest desert on Earth
4+ week, 1+ day ago (1012+ words) Ice-covered Antarctica is scientifically classified as Earth's largest desert and how extreme cold and low precipitation define a polar desert. A desert is not defined by sand, and it is not defined by heat. It is defined by the absence…...