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Aging-related inflammation is not universal across human populations

news.ycombinator.com Unknown 2026-02-19 04:52:40

Inflammation, long considered a hallmark of aging, may not be a universal human experience, according to a new study from Columbia University Mailman School of Public Health. The research suggests that "inflammaging"—chronic, low-grade inflammation associated with aging—appears to be a byproduct of industrialized lifestyles and varies significantly across global populations. The findings are published in Nature Aging. Researchers analyzed data from four populations: two industrialized groups—th

Topics: aging industrialized inflammation populations study

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This Survey Asked Neuroscientists If Memories Can Be Extracted From the Dead. Here’s What They Said

gizmodo.com Natalia Mesa 2026-02-19 18:20:54

The allure and terror of transferring your consciousness to a computer has long been fodder for cyberpunk novels and billionaire-backed immortality startups. But a substantial chunk of neuroscientists think it might be possible to extract memories from a preserved brain and store those memories inside a computer, according to a new study. The study, published in the journal PLOS One, suggests that most neuroscientists believe that memory has a physical basis and, on average, give a 40% probabil

Topics: brain memories memory neuroscientists study

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Scientists Detect Deep, Rhythmic Pulse Coming From Inside the Earth

futurism.com Unknown 2026-02-21 17:00:30

"This has profound implications..." DJ Earth Scientists have discovered a heartbeat-like pulse emanating from inside the Earth beneath the continent of Africa, which they believe will one day rip the continent into pieces. In a new study published today in the journal Nature Geoscience, a team of European and African scientists explain how they used chemical signatures to examine this inner-Earth heartbeat, explaining that molten chunks of mantle — the rocky layer found between the Earth's su

Topics: continent earth pulses scientists study

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Vapes Clouds Contain Absolutely Horrifying Chemicals, Scientists Find

futurism.com Unknown 2026-02-21 18:00:15

Image by Getty / Futurism Developments If you vape — and especially if it's because you think it's a less harmful alternative to smoking — then we have some really bad news. New research from the University of California, Davis, shows that some popular disposable vapes contain levels of toxic metals so appalling that they exceed traditional cigarettes. And we don't just mean a single cig — we're talking packs of them. The work, published as a study in the journal ACS Central Science, sounds t

Topics: disposable lead nickel study vapes

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Can AI save teachers from a crushing workload? There's new evidence it might

zdnet.com Radhika Rajkumar 2026-02-21 16:00:15

Deagreez/Getty A Gallup poll published Wednesday found that 30% of teachers are using AI weekly -- and that it's saving them "six weeks a year." According to data from the 2024 to 2025 school year, 60% of K-12 teachers reported using some kind of AI tool in their work, most commonly to create worksheets or activities, personalize material to students' needs, and prep lessons. The study did not specify which AI tools teachers were using, referring to "chatbots, adaptive learning systems, or oth

Topics: ai report study teachers using

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Using AI saves teachers 'six weeks per year,' Gallup poll finds - but at what cost?

zdnet.com Radhika Rajkumar 2026-02-24 08:00:21

J Studios/Getty Images A Gallup poll published Wednesday found that 30% of teachers are using AI weekly -- and that it's saving them "six weeks a year." According to data from the 2024 to 2025 school year, 60% of K-12 teachers reported using some kind of AI tool in their work, most commonly to create worksheets or activities, personalize material to students' needs, and prep lessons. The study did not specify which AI tools teachers were using, referring to "chatbots, adaptive learning systems

Topics: ai report study teachers using

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An exceedingly rare asteroid flyby will happen soon, but NASA may be left on the sidelines

arstechnica.com Unknown 2026-02-24 10:00:10

A little less than four years from now, a killer asteroid will narrowly fly past planet Earth. This will be a celestial event visible around the world—for a few weeks, Apophis will shine among the brightest objects in the night sky. The near miss by the large Apophis asteroid in April 2029 offers NASA a golden—and exceedingly rare—opportunity to observe such an object like this up close. Critically, the interaction between Apophis and Earth's gravitational pull will offer scientists an unpreced

Topics: apophis asteroid earth nasa study

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Multiple Studies Now Suggest That AI Will Make Us Morons

gizmodo.com Lucas Ropek 2026-02-24 16:45:53

For the second time in two weeks, a study has been published that suggests that people who use AI may display less cognitive ability than those who don’t rely on it. The studies have bolstered critics’ accusations that AI makes you stupid. The most recent study was conducted by the University of Pennsylvania’s Wharton School and looked at a sample size of over 4,500 participants. The study, which looked at the cognitive differences between people who used LLMs like ChatGPT to do research and th

Topics: ai chatgpt search study used

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10 Common Foods That Contain Microplastics and How to Avoid Them

cnet.com See Full Bio 2026-02-28 23:32:00

Microplastics are the latest hidden hazard worry for the world -- they've even been found in chewing gum. UCLA researchers have found that every time we chew gum, microplastics are released directly into our mouths. In addition to that, a new study published in Chemistry for Life tested 10 chewing gum brands and found every single one contained microplastics. This was found to be the case with both natural and synthetic varieties. A gram of gum releases around 100 microplastics on average, with

Topics: food foods microplastics plastic study

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The Secret Reason So Many College Students Are Relying on AI Is Incredibly Sad

futurism.com Unknown 2026-03-01 09:46:45

According to a new study, a staggering majority of American college students are using artificial intelligence in their studies — and the reason why is a pathos-laden dispatch from an education system in crisis. In a new study in the journal Tech Trends, researchers from the University of North Carolina at Charlotte found not only that most students are now using AI to assist in their schoolwork, but also that many prefer the technology for a tragic reason: because it doesn't judge them like a

Topics: ai college students study use

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Study Says U.S. Babies Are Missing a Key Gut Microbe, Fueling Allergy Risk

gizmodo.com Ellyn Lapointe 2026-03-03 09:55:44

The prevalence of allergies and other chronic diseases is on the rise, with the number of food allergy cases in the U.S. increasing 50% between 2007 and 2021. These allergies can be life-threatening, and understanding their root cause is more important than ever before. A new study has brought experts closer to doing just that. The findings, published Tuesday, June 24 in the journal Communications Biology, linked the rise of allergies and other chronic conditions such as asthma and eczema to th

Topics: bifidobacteria bifidobacterium infant infants study

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Astronomers capture ultra-detailed image of nearby Sculptor galaxy

techspot.com Shawn Knight 2026-03-08 16:31:00

Stunning: Astronomers have captured the most detailed image ever of the Sculptor galaxy, an incredibly complex system located roughly 11 million light-years from Earth. The composite was created using the European Southern Observatory's Very Large Telescope, and is comprised of over 100 exposures captured during a 50-hour marathon observation session. The Sculptor galaxy, also known as NGC 253, is similar in size, mass, and shape to our own spiral Milky Way. ESO researcher Enrico Congiu said th

Topics: galaxy large nebulae sculptor study

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New Study Backs Controversial Claim of 23,000-Year-Old Human Footprints in New Mexico

gizmodo.com Margherita Bassi 2026-03-09 09:55:09

In 2021, researchers working in New Mexico published a paper that contributed to what remains one of the most controversial topics in American archaeology. The study describes human footprints in White Sands National Park dating to between 23,000 and 21,000 years ago, making them the oldest-known footprints in North America. This challenges long-held beliefs that the first North Americans were the Clovis people—named after artifacts found near Clovis, New Mexico—who arrived between 13,000 and 13

Topics: 000 ago new study years

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DNA floating in the air tracks wildlife, viruses, even drugs

news.ycombinator.com Unknown 2026-03-06 15:38:00

Dublin is known as a city where you can enjoy a few pints of Guiness, get a warm welcome from the locals and hear lively traditional music drifting out of pubs and into the city air. But it's not just music floating on the breeze. The air of Dublin also contains cannabis, poppy, even magic mushrooms -- at least their DNA. That's according to a new study that reveals the power of DNA, vacuumed up from the air, which can track everything from elusive bobcats to illicit drugs. "The level of info

Topics: air dna duffy species study

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Scientists Scanned the Brains of Hardcore Gooners and Found Something Ominous

futurism.com Unknown 2026-03-10 20:45:42

Image by Getty / Futurism Neuroscience/Brain Science Watching a whole bunch of smut has some major side effects — and no, we're not just talking about stained bedsheets. In a new study published in the journal Frontiers in Human Neuroscience, researchers at the Chengdu Medical College in China found that people who watch a lot of pornography had lower cognitive performance and showed signs of neurological arousal akin to opioid addiction. It's new data in a swirling debate over whether watchi

Topics: addiction brain porn study watchers

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Researchers are now vacuuming DNA from the air

news.ycombinator.com Unknown 2026-03-08 03:38:00

Dublin is known as a city where you can enjoy a few pints of Guiness, get a warm welcome from the locals and hear lively traditional music drifting out of pubs and into the city air. But it's not just music floating on the breeze. The air of Dublin also contains cannabis, poppy, even magic mushrooms -- at least their DNA. That's according to a new study that reveals the power of DNA, vacuumed up from the air, which can track everything from elusive bobcats to illicit drugs. "The level of info

Topics: air dna duffy species study

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Why Some AI Models Spew 50 Times More Greenhouse Gas to Answer the Same Question

gizmodo.com Natalia Mesa 2026-03-11 23:00:55

Like it or not, large language models have quickly become embedded into our lives. And due to their intense energy and water needs, they might also be causing us to spiral even faster into climate chaos. Some LLMs, though, might be releasing more planet-warming pollution than others, a new study finds. Queries made to some models generate up to 50 times more carbon emissions than others, according to a new study published in Frontiers in Communication. Unfortunately, and perhaps unsurprisingly,

Topics: emissions energy models reasoning study

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Astronomers Capture the Most Colorful Image of a Galaxy Ever

gizmodo.com Passant Rabie 2026-03-14 00:00:05

Caldwell 65, better known as the Sculptor galaxy, is bursting with stellar activity and dust-rich features. Located 11 million light-years away—right next door in cosmological terms—it offers a rare glimpse of young stars being born into the celestial circle of life. Using the Very Large Telescope (VLT), astronomers captured an incredibly detailed image of the nearby spiral galaxy, displayed in thousands of colors that illuminate all the action taking place in our galactic neighborhood. The Eur

Topics: galaxy light sculptor stars study

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Climate Disasters Hit the Brain Before Babies Are Even Born, Study Suggests

gizmodo.com Kate Yoder 2026-03-18 20:00:55

When Superstorm Sandy made a beeline for New York City in October 2012, it flooded huge swaths of downtown Manhattan, leaving 2 million people without electricity and heat and damaging tens of thousands of homes. The storm followed a sweltering summer in New York City, with a procession of heat waves nearing 100 degrees. For those who were pregnant at the time, enduring these extreme conditions wasn’t just uncomfortable—it may have left a lasting imprint on their children’s brains. That’s accor

Topics: brain climate heat said study

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NASA Satellite Captures Massive Wastewater Flow off California Coast

gizmodo.com Natalia Mesa 2026-03-19 20:25:53

In 2022, NASA’s Jet Propulsion Laboratory launched a satellite sensor to map minerals in the Earth’s dusty, arid regions. But that’s not all it’s useful for—in a new study, scientists used the spectroscopic tool to study massive amounts of sewage flowing into the sea off the Southern California coast. Every year, millions of gallons of untreated and treated wastewater are unceremoniously dumped into the Tijuana River, ferrying pollution through communities on both sides of the U.S.-Mexico borde

Topics: emit researchers study wastewater water

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California’s Salton Sea Is Emitting Way More Toxic Gas Than We Thought

gizmodo.com Natalia Mesa 2026-03-22 04:25:06

California’s largest and most-polluted lake, the Salton Sea, is exuding hydrogen sulfide, a noxious gas, at rates that greatly exceed the state’s air quality standards. Alarmingly, a new study finds that California’s air quality monitoring systems may be severely underestimating how much toxic pollution is reaching people living near the lake. Hydrogen sulfide, which smells like rotten eggs, is linked to a host of respiratory and neurological symptoms. The new study, published in the journal Ge

Topics: air hydrogen lake study sulfide

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Star Wars-Style Fog Collectors Could Provide Water to the World’s Driest Cities

gizmodo.com Margherita Bassi 2025-11-17 15:00:28

With less than 0.04 inches of rainfall each year, cities in Chile’s barren Atacama Desert—one of the driest places in the world—collect their water from ancient underground water sources. Now, researchers have identified another simple method that could help address water scarcity. An international team of researchers in Chile has tested the viability of a water-collection method that could be straight out of Dune: fog harvesting. The technology also brings Star Wars to mind, namely the moistur

Topics: carter fog square study water

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Latest Tech News

Aging-related inflammation is not universal across human populations

This Survey Asked Neuroscientists If Memories Can Be Extracted From the Dead. Here’s What They Said

Scientists Detect Deep, Rhythmic Pulse Coming From Inside the Earth

Vapes Clouds Contain Absolutely Horrifying Chemicals, Scientists Find

Can AI save teachers from a crushing workload? There's new evidence it might

Using AI saves teachers 'six weeks per year,' Gallup poll finds - but at what cost?

An exceedingly rare asteroid flyby will happen soon, but NASA may be left on the sidelines

Multiple Studies Now Suggest That AI Will Make Us Morons

10 Common Foods That Contain Microplastics and How to Avoid Them

The Secret Reason So Many College Students Are Relying on AI Is Incredibly Sad

Study Says U.S. Babies Are Missing a Key Gut Microbe, Fueling Allergy Risk

Astronomers capture ultra-detailed image of nearby Sculptor galaxy

New Study Backs Controversial Claim of 23,000-Year-Old Human Footprints in New Mexico

DNA floating in the air tracks wildlife, viruses, even drugs

Scientists Scanned the Brains of Hardcore Gooners and Found Something Ominous

Researchers are now vacuuming DNA from the air

Why Some AI Models Spew 50 Times More Greenhouse Gas to Answer the Same Question

Astronomers Capture the Most Colorful Image of a Galaxy Ever

Climate Disasters Hit the Brain Before Babies Are Even Born, Study Suggests

NASA Satellite Captures Massive Wastewater Flow off California Coast

California’s Salton Sea Is Emitting Way More Toxic Gas Than We Thought

Star Wars-Style Fog Collectors Could Provide Water to the World’s Driest Cities

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