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(Newser) - One more for the " coffee is good for you " camp: An unpublished, not yet peer-reviewed study presented Monday at the annual meeting of the American Society for Nutrition in Orlando suggests caffeinated coffee helps on the path to healthy aging.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

Men Face Higher Risk of Death From 'Broken Heart Syndrome'

Women are more likely to be diagnosed with takotsubo cardiomyopathy, however

(Newser) - A new study highlights that men hospitalized with "broken heart syndrome"—aka takotsubo cardiomyopathy —die at more than twice the rate of women, despite women being more frequently diagnosed with the condition. Using data from almost 200,000 US patients between 2016 and 2020, researchers found...

Mounjaro Beats Ozempic in Head-to-Head Study
Mounjaro Beats Ozempic
in Head-to-Head Study
new study
May 12, 2025 5:04 PM CDT

Mounjaro Beats Ozempic in Head-to-Head Study

Study suggests tirzepatide users lose more weight than semaglutide users

(Newser) - Mounjaro wins bragging rights over Ozempic in a new weight-loss study—though it's one that was funded by the maker of Mounjaro. Researchers found that those taking tirzepatide, marketed as Mounjaro and Zepbound, lost about 20% of their body weight over 72 weeks, according to the study published...

Chimps Drum With Distinct Rhythms to Communicate
Who's Got Rhythm?
The Chimps
NEW STUDY
May 9, 2025 2:08 PM CDT

Who's Got Rhythm? The Chimps

Researchers find each chimp has a unique drumming style they use to communicate

(Newser) - Chimps and humans appear to share a common trait—the ability to drum. Researchers analyzed 371 instances of chimpanzees hitting tree trunks and found the primates keep a regular rhythm, suggesting a musical ability that predates humans, reports the AP . "Our ability to produce rhythm, and to use...

99.999% of the Deep Sea Remains Unexplored
99.999% of the Deep Sea
Remains Unexplored
NEW STUDY
May 8, 2025 10:25 AM CDT

99.999% of the Deep Sea Remains Unexplored

Researchers describe bias in geographic coverage, operator representation

(Newser) - Across Earth's deep oceans, explorers have taken a look at an area roughly the size of Rhode Island, which isn't saying much. That works out to about 0.001% of the deep sea, according to a study published Wednesday in Science Advances . In other words, 99.999% of...

Birds Give Us Another Sign of Our 'Slow-Moving Extinction Crisis'

Research finds 75% of bird species in North America are seeing a population decline

(Newser) - North America has a bird problem—not too many, but perhaps too few in the not-so-distant future. New research published Thursday in the journal Science reveals that 75% of the continent's bird species are on a downward spiral, seeing their populations decline between 2007 and 2021. The Washington Post...

After Cancer, Women More Likely to Report This Than Men

Female patients appear to have more cancer-related depression, fatigue than male counterparts

(Newser) - Women who struggle to get back to their old selves after cancer aren't alone. Female cancer survivors are significantly more likely than male counterparts to suffer fatigue and depression, according to new research. Dr. Simo Du, a resident physician at New York City's Jacobi Medical Center, first noticed...

Britain Was Once Home to Giant Icebergs
Massive Icebergs Once
Floated Around the UK
NEW STUDY
Apr 24, 2025 1:17 PM CDT

Massive Icebergs Once Floated Around the UK

Evidence could prove useful in understanding how ice sheets respond to climate change

(Newser) - Deep tracks in the floor of the North Sea are hugely exciting to scientists in the UK, who say the grooves not only confirm that an ice sheet once covered Britain and Ireland, but also that it calved icebergs as large as cities. As the giant tabular icebergs with wide,...

Pot's Potential Against Cancer Isn't Just Fighting Symptoms
Pot's Potential
Against Cancer Isn't
Just Fighting Symptoms
in case you missed it
Apr 20, 2025 4:10 PM CDT

Pot's Potential Against Cancer Isn't Just Fighting Symptoms

New meta-analysis finds medical cannabis helps fight both symptoms and cancer cells themselves

(Newser) - Cannabis has been used for medicinal purposes for some time, providing relief from pain, insomnia, anxiety, and nausea. Now, scientists say that pot shows promise in fighting the big "C" itself. The Guardian reports on the largest-ever study on using medical marijuana to treat cancer, with "overwhelming scientific...

Warm Weather Gives Pack Rats a Leg Up on Rattlesnakes

Warm temps, diet seem to influence how protected desert wood rats are against snake toxins

(Newser) - The secret to surviving a rattlesnake bite may lie not just in genetics, but in the temperature outside: New research reveals that weather and diet can shape how well desert wood rats, a form of pack rat, resist deadly venom. In a new study published Wednesday in Biology Letters...

Ancient Jawbone That Sat in Antiques Shop Is 'Scarce Find'

Scientists say fossil found in Taiwan belonged to enigmatic human ancestors known as Denisovans

(Newser) - An ancient jawbone discovered in Taiwan belonged to an enigmatic group of early human ancestors called Denisovans, scientists reported Thursday. Relatively little is known about Denisovans, an extinct group of human cousins that interacted with Neanderthals and our own species, Homo sapiens. "Denisovan fossils are very scarce," with...

Male Fruit Flies Get Tipsy and the Ladies Come Running

New research finds that alcohol causes males of the species to produce, emit more pheromones

(Newser) - Fruit flies—they're just like us. Meaning, booze seems to boost sexytime for the pesky insect that hovers around fermented drinks and alcohol-producing rotting fruit, but perhaps not for the most obvious reason. According to new research published last week in the Science Advances journal, female members of the...

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