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Kissing May Be 21M Years Old
Kissing May Be 21M Years Old
NEW STUDY
Nov 19, 2025 11:50 AM CST

Kissing May Be 21M Years Old

Practice likely originated with a common ancestor of all large apes, researchers find

(Newser) - Humans spend a lot more time kissing than they do thinking about why they kiss. But scientists intrigued by this question say the practice, which has no real survival or reproductive benefit, is built into us, likely originating with the common ancestor of humans and other great apes upward of...

City Raccoons Begin to Evolve Into Urban Pets
Raccoons in
American
Cities Are
Morphing
NEW STUDY
Nov 18, 2025 7:31 AM CST

Raccoons in American Cities Are Morphing

Their snouts are shrinking, in a sign of domestication as they adapt to humans

(Newser) - Raccoons may be taking steps toward domestication, according to a new study that suggests urban life is subtly reshaping the species. Researchers including University of Arkansas biologist Raffaela Lesch analyzed almost 20,000 photos of raccoons from across the US and found that those living in cities have snouts about...

A Possible Clue About Rising Colorectal Cancers in the Young

Study on female nurses links ultraprocessed foods to higher risk of polyps

(Newser) - Women who eat higher amounts of ultraprocessed foods may face a greater risk of developing colorectal polyps before age 50, a finding that could help explain rising colorectal cancer rates in younger adults. The research, based on health and dietary records from more than 29,000 US female nurses under...

For Seals on One Island, a 'Bleak' Future May Await

Bird flu has wiped out nearly half of South Georgia's female breeding elephant seals

(Newser) - Nearly half of the breeding female elephant seals on South Georgia, a remote island near Antarctica, have died in a bird flu outbreak, according to a new study published in the journal Communications Biology . Researchers from the British Antarctic Survey used drones to survey the island's three largest breeding...

Lupus Just Got a Bit Less Mysterious
Lupus Just Got a
Bit Less Mysterious
NEW STUDY
Nov 13, 2025 9:06 AM CST

Lupus Just Got a Bit Less Mysterious

Study suggests the common Epstein-Barr virus triggers antinuclear antibodies in some

(Newser) - Scientists may have uncovered a key culprit behind lupus, the mysterious autoimmune disease. And it's an infection so common that 95% of people contract it at some point in their lives. New research published in Science Translational Medicine suggests the Epstein-Barr virus (EBV), the most common cause of mono,...

Patients With Colon Cancer May See Extra GLP-1 Benefits

Those on weight loss drugs like Ozempic, Wegovy see lower death rates than those not taking them

(Newser) - Medications like Wegovy and Ozempic, known for managing diabetes and promoting weight loss, may also be linked to significantly lower death rates in colon cancer patients, according to a new study cited by the Independent . Researchers at UC San Diego reviewed medical records for more than 6,800 colon cancer...

Coffee May Protect Against Common Irregular Heartbeat

Study finds lower recurrence of atrial fibrillation in daily drinkers

(Newser) - A new study suggests that a daily cup of coffee may lower the odds of atrial fibrillation recurrence, offering reassurance to the millions living with the common heart rhythm disorder. Researchers followed 200 adults from Australia, Canada, and the US with a history of A-fib, averaging 70 years old, over...

Most Americans Don't Know Alcohol Raises Cancer Risk
Most Americans Clueless
About Alcohol-Cancer Link
new study
Nov 5, 2025 2:00 PM CST

Most Americans Clueless About Alcohol-Cancer Link

Study finds only 37.1% of adults know that drinking alcohol ups cancer risk

(Newser) - If you weren't aware that drinking alcohol can increase your risk of cancer, you're apparently in good company. A new study from MD Anderson Cancer Center published in JAMA Oncology found that just 37.1% of adults knew that drinking alcohol increased their risk of cancer. More than...

Some of the First Humans Used Tools Continuously
Some of the First Humans
Used Tools Continuously
NEW STUDY
Nov 4, 2025 10:45 AM CST

Some of the First Humans Used Tools Continuously

Findings in Kenya challenge idea that only later humans had the brains for the job

(Newser) - A newly uncovered trove of ancient stone tools in northwest Kenya suggests early humans didn't use them sporadically but routinely over hundreds of thousands of years, at the very emergence of humanity. Archaeologists at the Namorotukunan site in the Turkana Basin uncovered 1,300 stone flakes, hammerstones, and cores...

Glacier's 'Astonishing' Retreat Ignites Debate Over the Cause

How remarkable the dramatic loss in Antarctica is depends on if Hektoria was 'grounded' or not

(Newser) - A glacier in Antarctica just pulled off what might be the fastest retreat ever seen, and scientists are now scrambling to figure out exactly what happened—and what it means for the rest of the planet. New research suggests that the Hektoria Glacier retreated more than 5 miles in only...

Here's Your Step Count Goal to Slow Cognitive Decline

Just 3K daily steps could do the trick, researchers say

(Newser) - Walking just a few thousand steps a day might help delay the onset of Alzheimer's symptoms in those at higher risk for the disease, according to a new study. Researchers followed nearly 300 older adults—none of whom had dementia at the study's start—for about nine years,...

A Word of Caution for Users of Supplemental Melatonin

Study finds link between long-term use and heart failure, though experts urge caution

(Newser) - A new study is suggesting a link between long-term melatonin use and an increased risk of heart failure, but experts say there's no need for alarm—at least not yet. Researchers reviewed health records from more than 130,000 adults with chronic insomnia, finding that those who took prescribed...

German Rats Are Busted Attacking Bats Midair
Bats in Germany Had Better
Watch Out for the Rats
NEW STUDY
Oct 29, 2025 10:30 AM CDT

Bats in Germany Had Better Watch Out for the Rats

Urban rodents are recorded hunting bats that are flying by or on the ground

(Newser) - Rats are now on record as bat hunters. Infrared and thermal cameras set up at hibernation sites in two northern German towns captured brown rats in the act, with footage showing the rodents standing upright to snatch bats out of midair or ambushing them on the ground. This marks the...

How the Maya Predicted Solar Eclipses Across 7 Centuries
This Is How the Maya Were
So Accurate on Eclipses
NEW STUDY
Oct 28, 2025 9:45 AM CDT

This Is How the Maya Were So Accurate on Eclipses

Ancient calendar math accounts for every eclipse from 350CE to 1150CE

(Newser) - Ancient Mayan astronomers turned their eyes to the sky and recorded celestial events with a level of precision that continues to impress scientists today. A new study, published Wednesday in Science Advances , sheds fresh light on how the Central American civilization managed to predict solar eclipses with such incredible accuracy,...

Dinosaurs Thrived, Thank You Very Much, Until the Asteroid
Dinos Were Doing Great—
Until the Asteroid Hit
NEW STUDY
Oct 24, 2025 9:57 AM CDT

Dinos Were Doing Great— Until the Asteroid Hit

New fossil dating methods challenge the theory of a slow decline

(Newser) - A new study challenges the long-held idea that dinosaurs were already on the verge of extinction when a giant asteroid struck Earth 66 million years ago. Instead, new research suggests they were thriving up until the moment disaster struck. The study, published in Science , relies on improved dating techniques applied...

Here's How to Find the Right Antidepressant
Here's How to Find the
Right Antidepressant
NEW STUDY
Oct 22, 2025 11:00 AM CDT

Here's How to Find the Right Antidepressant

Researchers uncover major differences in side effects across drugs

(Newser) - A new study has ranked the side effects of popular antidepressants for the first time, highlighting significant differences among the drugs and raising questions about whether millions of people are on the best medication for their needs. Researchers from King's College London and the University of Oxford analyzed data...

'Butt-Breathing' Technique Passes First Human Safety Test
Scientists Notch a Big Win
in 'Butt-Breathing'
NEW STUDY
Oct 22, 2025 8:59 AM CDT

Scientists Notch a Big Win in 'Butt-Breathing'

Early trials involve oxygen-carrying liquid delivered rectally; could help patients with breathing issues

(Newser) - A technique that once snagged an Ig Nobel prize for its oddball premise has cleared its first human safety trial—and it involves "butt-breathing." The official term is "enteral ventilation," and a new study, published in the journal Med , marks a potential step toward a new...

Even Light Drinking Boosts Dementia Risk
Even Light Drinking
Jacks Your Dementia Risk
NEW STUDY
Oct 16, 2025 7:51 AM CDT

Even Light Drinking Jacks Your Dementia Risk

Prior 'one drink a day' advice was based on skewed data, new research suggests

(Newser) - A decades-old belief that a daily drink might do the brain some good just took another hit. According to a new study in BMJ Evidence-Based Medicine , light, regular alcohol consumption can raise the risk of developing dementia. Researchers tracked more than 550,000 people aged 56 to 72 and...

Redefining Obesity Would Mean More 'Obese' Americans
Redefining Obesity Would
Mean More 'Obese' People
new study
Oct 15, 2025 2:44 PM CDT

Redefining Obesity Would Mean More 'Obese' People

Study looked at 300K people, found number who qualified as obese would surge

(Newser) - A new study suggests that nearly 70% of US adults would be classified as obese under a revised definition proposed by medical experts. The traditional method, which uses a body mass index (BMI) of 30 or higher, has faced criticism for not distinguishing between fat and muscle. The new criteria...

Inhalers' Climate Impact Rivals That of Half a Million Cars

Vast majority of these emissions are traced to common metered-dose inhalers, study finds

(Newser) - A new study highlights an overlooked contributor to greenhouse gas emissions: inhalers for asthma and chronic obstructive pulmonary disease, or COPD, reports CBS News . Published in the Journal of the American Medical Association , the research estimates that US inhaler use produced about 24.9 million metric tons of carbon...

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