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News
Orion Nebula just revealed something nobody had seen before
4+ hour, 12+ min ago (766+ words) The Orion Nebula has long been one of the most familiar objects in the night sky. It can even be spotted with the naked eye on a clear night. After centuries of observations by nearly every major observatory on Earth,…...
Earthquakes can change how mountains store and release carbon
1+ day, 8+ hour ago (945+ words) When an earthquake tears apart a mountainside, the damage does not stop once the shaking ends. Rain can keep washing that shattered landscape into rivers for years, carrying enormous amounts of carbon along with it. But not all of that…...
Object thought to be an asteroid for 30 years is actually a comet
3+ day, 20+ hour ago (821+ words) For nearly three decades, astronomers believed the space object known as 1998 SH2 was an asteroid. Its behavior eventually revealed a very different identity. Scientists discovered that the object was drifting slightly from its predicted path, suggesting that an unseen force was…...
Ocean acidification is leaving a mark that could last millions of years
5+ day, 7+ hour ago (947+ words) Say “ocean acidification” and most people picture dying coral, struggling shellfish, fisheries in trouble. Fair enough, those are real problems. But new research argues we’re missing something much bigger hiding underneath all that. The ocean might actually be keeping a…...
Hawaii's volcanic hotspot has been heating up for millions of years
1+ week, 1+ day ago (902+ words) Something deep beneath Hawaii has been heating up for nearly 50 million years, even though scientists thought the exact opposite should be happening. A new study found that the Hawaiian hotspot, the deep source of molten rock that built the island…...
Scientists build first artificial protein motor that walks on DNA
1+ week, 2+ day ago (1106+ words) Researchers have built an artificial protein motor that walks in a set direction along a strand of DNA. It moves one step at a time, under second-by-second control. The motor is assembled from protein pieces that, on their own, cannot…...
Tiny space debris threatens Earth's busiest satellite highway
1+ week, 3+ day ago (1033+ words) Tiny pieces of space debris, some just 2 inches (5 centimeters) across, have been hiding undetected in one of Earth’s busiest satellite orbits. A new study uncovered them by reanalyzing years-old telescope images with a technique that reveals objects previously lost in…...
Scientists identify eight pathways that create aging cells
1+ week, 4+ day ago (1077+ words) The worn-out cells that pile up in aging tissue do not all reach that state the same way. A sweeping review of cellular senescence – the program in which a cell permanently stops dividing yet stays alive – finds that at least…...
Students created a living map of their campus microbiome
1+ week, 4+ day ago (889+ words) Undergraduate students collected nearly 2,500 samples of environmental microbes across their university campus in Milan, mapping the local microbiome in about eight hours of fieldwork. The whole thing ran as a citizen science project, and the data the students gathered came…...
Earth's mass extinctions may have continued long after volcanoes stopped erupting
1+ week, 5+ day ago (1002+ words) For more than a century, scientists have blamed Earth’s greatest mass extinctions on colossal volcanic eruptions that flooded the planet with lava and gas. A new study suggests that explanation is incomplete. Researchers found that magma quietly baking sulfur- and…...