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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…...
Psilocybin creates hidden order inside the brain’s apparent chaos
5+ day, 15+ hour ago (1019+ words) Psilocybin changes how brain activity is organized, revealing patterns linked to a person’s surroundings and subjective experience. People describe a psychedelic trip as everything coming apart. For a decade, neuroscientists have described it the same way. A new study reports…...
Tattoo ink doesn’t stay in your skin, and when it moves into the body, it often causes harm
5+ day, 16+ hour ago (723+ words) Scientists in Germany used high-powered X-rays to scan tissue samples from four donated bodies to see where tattoo ink goes after it enters the skin. Researchers have spent nearly a decade assembling the case that tattoo ink does more than…...
An overlooked part of the skull may help fight brain tumors
6+ day, 12+ hour ago (961+ words) The skull may do more than protect the brain. Mouse research found immune structures inside its marrow that respond directly to brain tumors. The skull is part of the skeleton people treat as armor, a curved plate whose whole job…...
Ancient armored fish survived a massive impact before Earth’s largest mass extinction
2+ week, 2+ day ago (1023+ words) A remarkably complete armored fish fossil from Brazil survived near a massive asteroid crater, revealing an unexpected link to ancient Europe. Near the end of the Permian, an asteroid hit central Brazil and folded the rock layers around the crater…...
Asteroid dust may explain what really killed the dinosaurs
1+ week, 6+ day ago (998+ words) A new study reveals how molten rock and fine asteroid dust could have produced an intense global heat pulse after the impact 66 million years ago. Sixty-six million years ago, a massive asteroid struck Earth and helped wipe out the non-avian…...
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…...
Scientists determine the Great Lakes are nonrenewable
3+ week, 5+ day ago (952+ words) The Great Lakes hold about 21 percent of the planet's surface fresh water, yet less than one percent of that volume renews each year. That second number, not the first, sets the limits on everyone who drinks from the basin. Lakes…...