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X marks the unknown in algebra – but X's origins are a math mystery
The use of the letter x as a mathematical unknown is a relatively modern convention. Algebra has been around for a lot longer.Daryl Benson/Stockbyte via Getty ImagesEven though x is one of the...
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Most Americans support NASA – but don't think it should prioritize sending...
The Artemis I Launch in November 2022. NASA/Bill Ingalls, CC BY-NCMost Americans (69%) believe it is essential that the United States continue to be a world leader in space. But only a subsection of...
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Immune cells that fight cancer become exhausted within hours of first...
This microscopy image shows a cytotoxic T cell (blue) attacking a cancer cell (green) by releasing toxic chemicals (red).Alex Ritter and Jennifer Lippincott Schwartz and Gillian Griffiths/National...
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Cats first finagled their way into human hearts and homes thousands of years...
Who run the world? Cats!Grace Cary/Moment via Getty ImagesA few years ago, I had the opportunity to go on safari in southern Africa. One of the greatest thrills was going out at night looking for...
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Online romance scams: Research reveals scammers' tactics – and how to defend...
Sometimes, true love is too good to be true.kate3155/iStock via Getty ImagesIn the Netflix documentary “The Tinder Swindler,” victims exposed notorious con artist Simon Leviev, who posed as a wealthy...
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Before he developed the atomic bomb, J. Robert Oppenheimer's early work...
J. Robert Oppenheimer is responsible for a fundamental idea in the field of quantum chemistry. AP Photo/John RooneyThe release of the film “Oppenheimer,” in July 2023, has renewed interest in the...
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Are we alone in the universe? 4 essential reads on potential contact with aliens
UFOs usually have non-extraterrestrial origins, but many have urged the government to be more transparent about UFO data. Westend61/Westend61 via Getty ImagesThe House subcommittee on National...
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Zebrafish are a scientist's favorite for early-stage research – especially to...
As an animal model, the zebrafish offers many advantages that save researchers time and money.Uri Manor/NICHD via Flickr, CC BY-SAScientists have relied on animal models as an alternative to testing on...
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New neurotechnology is blurring the lines around mental privacy – but are new...
A woman tries neurotechnology equipment during Tech Week in Bucharest, Romania, in May 2023.Cristian Cristel/Xinhua via Getty ImagesNeurotechnologies – devices that interact directly with the brain or...
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What are Hollywood actors and writers afraid of? A cinema scholar explains...
Hollywood writers picket in front of Warner Bros. Studios.AP Photo/Marcio Jose SanchezThe bitter conflict between actors, writers and other creative professionals and the major movie and TV studios...
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Virtual reality has negative side effects – new research shows that can be a...
Using virtual reality headsets can have negative side effects, like dizziness, headaches and nausea.Charnsitr/iStock via Getty ImagesThe Research Brief is a short take about interesting academic...
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Looking back toward cosmic dawn − astronomers confirm the faintest galaxy...
A phenomenon called gravitational lensing can help astronomers observe faint, hard-to-see galaxies. NASA/STScIThe universe we live in is a transparent one, where light from stars and galaxies shines...
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Researchers dig deep underground in hopes of finally observing dark matter
The inside of the LZ outer detector. The LZ is a super sensitive machine that may one day detect a dark matter particle. Matt Kapust, SURF, CC BY-SAPhysicists like me don’t fully understand what makes...
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A brief illustrated guide to 'scissors congruence' − an ancient geometric...
While scissors congruence accurately captures the modern algebraic notion of 2D area, things get more complicated in higher dimensions.Maxine Calle, CC BY-NDIn math class, you probably learned how to...
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AI can help forecast air quality, but freak events like 2023's summer of...
Thick smoke rolling in from Canada's 2023 wildfires was a wakeup call for several cities.Eduardo Munoz Alvarez/Getty ImagesWildfire smoke from Canada’s extreme fire season has left a lot of people...
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The heroic effort to save Florida’s coral reef from devastating ocean heat
Elkhorn coral fragments rescued from overheating ocean nurseries sit in cooler water at Keys Marine Laboratory.NOAAArmed with scrub brushes, young scuba divers took to the waters of Florida’s Alligator...
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Lab-grown ‘ghost hearts' work to solve organ transplant shortage by combining...
A 'ghost heart' is a pig's heart prepared so that it can be transplanted into people.Provided by Doris TaylorHeart disease is the leading cause of death worldwide. The World Health Organization...
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Elon Musk aims to turn Twitter into an 'everything app' – a social media and...
Everything apps are designed to help you do, well, just about everything you do on a phone.Busakorn Pongparnit/Moment via Getty ImagesElon Musk’s recent rebranding of Twitter as X is a step toward the...
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Why does your hair curl in the summer? A chemist explains the science behind...
Summer humidity can change the way your hair is behaving -- but what's the science behind that?Tim Robberts/Stone via Getty ImagesIf you have curly hair, you know that every day is a new adventure....
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Gut microbes are the community within you that you can't live without – how...
Communal meals are a social glue that binds people together.Klaus Vedfelt/DigitalVision via Getty ImagesThe age-old adage “you are what you eat” holds profound truth. Nearly every molecule in your body...
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