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Comets 101 − everything you need to know about the snow cones of space
Comet Hale-Bopp was visible from Earth in 1997.E. Kolmhofer, H. Raab; Johannes-Kepler-Observatory, Linz, Austria, CC BY-NCWhen you hear the word comet, you might imagine a bright streak moving across...
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Astronomers have learned lots about the universe − but how do they study...
Telescopes at the Cerro Tololo Inter-American Observatory near La Serena, Chile.Guillaume Doyen/CTIO/NOIRLab/NSF/AURA, CC BYNASA’s OSIRIS-REx spacecraft flew by Earth on Sept. 24, 2023, dropping off...
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Israel’s Iron Dome air defense system works well – here's how Hamas got...
Israel's Iron Dome air defense system launches interceptor missiles to shoot down incoming missiles and rockets.Ilia Yefimovich/Getty ImagesBecause of its unique national security challenges, Israel...
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An itching paradox – a molecule that triggers the urge to scratch also turns...
Itching, and the subsequent urge to scratch, can make eczema worse.Kinga Krzeminska/Moment via Getty ImagesItching can be uncomfortable, but it’s a normal part of your skin’s immune response to...
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Why is space so dark even though the universe is filled with stars?
This age old question has been dubbed Olbers' paradox.John Moore via Getty Images NewsCurious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it...
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New technique uses near-miss particle physics to peer into quantum world −...
The Large Hadron Collider at CERN can be used to study many kinds of fundamental particles, including mysterious and rare tau particles.Oxygen/Moment via Getty ImagesOne way physicists seek clues to...
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Rancid food smells and tastes gross − AI tools may help scientists prevent...
Pantry staples can go rancid when exposed to oxygen. Daniel de la Hoz/MomentHave you ever bitten into a nut or a piece of chocolate, expecting a smooth, rich taste, only to encounter an unexpected and...
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New class of recyclable polymer materials could one day help reduce...
Single-use plastics. Anton Petrus/MomentHundreds of millions of tons of single-use plastic ends up in landfills every year, and even the small percentage of plastic that gets recycled can’t last...
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Quantum dots − a new Nobel laureate describes the development of these...
Louis Brus, center, shares Nobel recognition with two other quantum dots pioneers.Jonathan Nackstrand/AFP via Getty ImagesThe Nobel Prize in chemistry for 2023 goes to three scientists “for the...
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Why Google, Bing and other search engines' embrace of generative AI threatens...
Search engines are expected to increasingly incorporate generative AI. ArtemisDiana/iStock via Getty Images PlusGoogle, Microsoft and others boast that generative artificial intelligence tools like...
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How much time do kids spend on devices – playing games, watching videos,...
Today, nearly all U.S. teens have a smartphone.MoMo Productions/Digital Vision via Getty ImagesCurious Kids is a series for children of all ages. If you have a question you’d like an expert to answer,...
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Biological sex is far from binary − this college course examines the science...
Biological sex comes in many more forms than just male or female.Yifei Fang/Moment via Getty ImagesUncommon Courses is an occasional series from The Conversation U.S. highlighting unconventional...
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A layered lake is a little like Earth’s early oceans − and lets researchers...
Researchers sample water from various layers to analyze back in the lab.Elizabeth Swanner, CC BY-NDLittle Deming Lake doesn’t get much notice from visitors to Itasca State Park in Minnesota. There’s...
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Space rocks and asteroid dust are pricey, but these aren't the most expensive...
Meteorites can get pricey, but they're not the most expensive material. AP Photo/Thibault CamusAfter a journey of seven years and nearly 4 billion miles, NASA’s OSIRIS-RExspacecraft landed gently in...
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Let the community work it out: Throwback to early internet days could fix...
Content moderators like these workers make decisions about online communities based on company dictates.Ilana Panich-Linsman for The Washington Post via Getty ImagesIn the 2018 documentary “The...
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Are ghosts real? A social psychologist examines the evidence
Remember the old saying: Extraordinary claims require extraordinary evidence.David Wall/Moment via Getty ImagesCurious Kids is a series for children of all ages. If you have a question you’d like an...
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What are roundabouts? A transportation engineer explains the safety benefits...
A large roundabout in China.Jiojio/Moment via Getty ImagesIf you live on the East Coast, you may have driven through roundabouts in your neighborhood countless times. Or maybe, if you’re in some parts...
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Being humble about what you know is just one part of what makes you a good...
Good thinking is built from many ingredients.skynesher/E+ via Getty ImagesWhat does it mean to be a good thinker? Recent research suggests that acknowledging you can be wrong plays a vital role. I had...
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How often do you lie? Deception researchers investigate how the recipient and...
Hunter Biden has been charged with making a false claim on a federal firearms application.AP Photo/Julio CortezProminent cases of purported lying continue to dominate the news cycle. Hunter Biden was...
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AIs could soon run businesses – it’s an opportunity to ensure these...
If AIs are going to play a role in society, they'll need to understand the law.PhonlamaiPhoto/iStock via Getty ImagesOnly “persons” can engage with the legal system – for example, by signing contracts...
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