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These Critters Outlasted Dino-Killing Asteroid, Still Thrive

DNA study reveals ancient origins, resilience of the night lizard

(Newser) - A new study sheds light on some unlikely survivors of the asteroid impact that wiped out most dinosaurs 66 million years ago: night lizards. According to research published Wednesday in Biology Letters , these small reptiles—found today in parts of North and Central America—managed to persist despite living...

Why Hatshepsut's Statues Were Really Smashed in Ancient Egypt

New study points to ritual practice, not revenge or sexism, in destruction of female pharaoh's statues

(Newser) - A long-standing theory about the fate of Queen Hatshepsut's statues has been upended by a new study. For decades, Egyptologists believed that Thutmose III, Hatshepsut's nephew and successor, ordered the destruction of her statues in an act of personal revenge after she died to erase all signs...

Why Cats Prefer a Left-Side Snooze
Why Cats Prefer
a Left-Side Snooze
NEW STUDY
Jun 28, 2025 5:30 AM CDT

Why Cats Prefer a Left-Side Snooze

Study links position to faster threat response

(Newser) - Ever wondered why your cat curls up on its left side? New research suggests this sleepy preference could be a clever survival tactic honed by evolution—giving felines a quick edge the moment they wake. An international team analyzed more than 400 YouTube videos and found that two-thirds of...

These Canadian Rocks May Be Earth's Oldest
These Rocks in Canada
May Be Earth's Oldest
new study
Jun 27, 2025 10:11 AM CDT

These Rocks in Canada May Be Earth's Oldest

Study puts them at 4.1B years old

(Newser) - Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada. The Nuvvuagittuq Greenstone Belt has long been known for its ancient rocks—plains of streaked gray stone on the eastern shore of Hudson Bay in Quebec—but researchers have disagreed on exactly how...

Child Had a 5% Chance of Living. This Device Saved Them

Young patient with leukemia, organ failure recovers after experimental treatment with SCD solution

(Newser) - Doctors at Michigan Medicine have reported a medical first: saving a young child in septic shock and experiencing failure of five organ systems using a new device called the Selective Cytopheretic Device (SCD), made by SeaStar Medical. The case, published in Pediatric Nephrology , involved a child with a prior...

Think Weight-Loss Meds Beat Surgery? Maybe Reconsider

Bariatric surgery still outperforms injections for long-term weight loss, researchers find

(Newser) - A new study suggests that popular weight-loss injections like Wegovy and Mounjaro don't deliver the same dramatic results in everyday use as they do in clinical trials. The drugs, which contain semaglutide and tirzepatide, have been hailed for helping some trial participants lose up to 20% of their...

Finally, Hard Proof That These Dinos Scarfed Down Plants
In the Belly of This
Beast, a Major Find
in case you missed it
Jun 15, 2025 6:56 AM CDT

In the Belly of This Beast, a Major Find

Fossilized plant matter discovered in sauropod's gut confirms the creatures were herbivores

(Newser) - Scientists have long believed that the enormous, long-necked sauropods—like those popularized in films such as Jurassic Park and The Land Before Time—were herbivores. Researchers had some clues based on teeth shape and an unwieldy body that didn't suggest these dinosaurs could chase prey well, but hard...

Don't Fall for This 'Fertility Fallacy'

Low birth rates globally aren't due to lack of desire, per UN report—it's the lack of access, cost

(Newser) - A new United Nations Population Fund (UNFPA) report challenges the usual question about declining birth rates, suggesting the real issue isn't that people don't want more kids—it's that many feel they can't have them. The report, which includes polling from 14 countries, found that...

Ancient Wall in Mongolia's Gobi Desert Did More Than Defend

Researchers find the medieval barrier managed resources, set imperial boundaries

(Newser) - A new study is shedding light on the Gobi Wall, a massive but little-understood medieval barrier that crosses 200 miles of Mongolia's highland deserts. For their research published in the journal Land , archaeologists from the Hebrew University of Jerusalem, the National University of Mongolia, and Yale combined satellite...

Those Ice Baths May Not Be 'a Great Idea'
Those Ice Baths May
Not Be 'a Great Idea'
IN CASE YOU MISSED IT
Jun 8, 2025 6:29 AM CDT

Those Ice Baths May Not Be 'a Great Idea'

Cold plunges in general may hamper muscle recovery after exercise, researchers say

(Newser) - If you've ever been tempted to buy an ice bath or take part in a "polar plunge," you may want to check out this study first—at least if you're into weight training. A dip into frigid waters "looks like it's not a great...

Scientists Report Major HIV Breakthrough
Scientists Report
Major HIV Breakthrough
NEW STUDY
Jun 5, 2025 11:20 AM CDT

Scientists Report Major HIV Breakthrough

Virus can be forced out of hiding by mRNA technology

(Newser) - Researchers say they may have found a way to bring a cure for HIV a step closer by deploying the mRNA technology used in COVID-19 vaccines. The team at the Peter Doherty Institute for Infection and Immunity in Melbourne, Australia, reports they can now force HIV out of hiding...

To Survive Heat Waves, the Clown Fish Shrinks
When It Gets Too Hot,
the World's Nemos Shrink
NEW STUDY
Jun 4, 2025 10:45 AM CDT

When It Gets Too Hot, the World's Nemos Shrink

Becoming smaller when it's hot helps boost survival rates for clown fish

(Newser) - Clown fish are now joining the list of animals altering their bodies and behavior in response to climate change. According to a new study published in Science Advances , scientists in Papua New Guinea observed that clown fish, made most famous by the 2003 animated film Finding Nemo, temporarily shrank...

As Coffee Intake Rises, So Does Chance of Healthy Aging
More Good News
for Coffee Lovers
NEW STUDY
Jun 3, 2025 10:15 AM CDT

More Good News for Coffee Lovers

Research suggests drinking caffeinated coffee in midlife ups chances for healthy aging

(Newser) - One more for the " coffee is good for you " camp: An unpublished, not yet peer-reviewed study presented Monday at the annual meeting of the American Society for Nutrition in Orlando suggests caffeinated coffee helps on the path to healthy aging. The study involved more than 47,000 female...

Prints Aren't the Only Stable Thing About Your Fingers

Scientists say blood vessels under skin cause wet fingers to wrinkle the exact same way each time

(Newser) - A new study sheds light on why fingers wrinkle in water—and why those wrinkles appear in the same places every time. Biomedical engineer Guy German of Binghamton University in New York wanted to know if pruney fingers always wrinkle the same way after water exposure. To find out,...

Researchers Predict Lots More Cavities if Fluoride Goes

Study says the ramifications could be expensive

(Newser) - A nationwide ban on adding fluoride to public drinking water could saddle US families with billions in dental bills and result in millions of additional cavities, according to a new study published in JAMA Health Forum . Researchers modeled two scenarios: one in which all public water systems contain optimal...

Scientists Warn: 'Transient' Strokes Aren't So Transient

Researchers say people shouldn't dismiss or ignore ministrokes, tied to risk of cognitive decline

(Newser) - Many people ignore or downplay the sudden symptoms of a transient ischemic attack (TIA), also called a ministroke—but new research suggests that's a mistake. A large study published in JAMA Neurology by the University of Alabama-Birmingham and University of Cincinnati tracked more than 30,000 adults and...

Moms Report Concerning Slide in Mental Health
Moms Report
Concerning Slide
in Mental Health
NEW STUDY
May 28, 2025 7:40 PM CDT

Moms Report Concerning Slide in Mental Health

Single moms and low-income families experienced biggest decline, study finds

(Newser) - Mothers in the US are reporting increasingly worse mental health. From 2016 to 2023, the percentage of mothers who felt their mental health was "excellent" dropped, while those reporting "poor" mental health rose, especially among single mothers and those whose children have Medicaid or are uninsured, according...

Closer Look at Bird Feeders Shows 'Evolution in Action'

Study links feeder use to migration north, beak shape and size changes in Anna's hummingbirds

(Newser) - A new study finds that human-provided hummingbird feeders aren't just helping hummingbirds survive—they're changing the physical traits of the birds themselves. Researchers focused on a species called Anna's hummingbirds, also finding that the feeders have helped the birds expand northward, from California to British Columbia,...

Scientists May Have Found a New Way to Halt Malaria

Bed nets coated with drugs that 'cure' mosquitoes may help stop disease in its tracks

(Newser) - What if, instead of killing mosquitoes to stop malaria, we simply cured them? Harvard scientists believe giving mosquitoes anti-malarial drugs could turn these notorious disease-carriers into harmless biters. Malaria, a parasitic disease spread by female mosquitoes, causes nearly 600,000 deaths annually, most of them children, and traditional prevention...

Breakfast Cereals Are Getting Worse for Kids
Kids' Cereals Are Moving
in the Wrong Direction
new study
May 21, 2025 3:09 PM CDT

Kids' Cereals Are Moving in the Wrong Direction

Study finds fat, sodium, and sugar content is increasing

(Newser) - America's breakfast cereals are getting sweeter, saltier, and fattier, a new study finds—raising fresh questions about what's really fueling the morning routine of millions of children. The study, published Wednesday in JAMA Network Open , analyzed 1,200 newly introduced or reformulated children's ready-to-eat cereals between...

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