Millions of exploding stars could soon reveal dark energy's secrets

A new AI-powered framework could transform how astronomers measure the expansion of the Universe. By analyzing images of Type Ia supernovae and modeling their environments in unprecedented detail, researchers can estimate cosmic distances with near-spectroscopic accuracy. The technique is designed for the flood of data expected from the upcoming Vera C. Rubin Observatory and may greatly improve our understanding of dark energy.

from Latest Science News -- ScienceDaily https://ift.tt/BOWSbUp

USC scientists just unlocked an endless supply of cancer-fighting immune cells

A new stem-cell-inspired technique allows scientists to grow vast numbers of immune-cell progenitors that can be engineered to hunt cancer and strengthen immune responses. In animal studies, the cells fought tumors, restored immune function, and showed promise as a durable, off-the-shelf therapy platform.

from Top Health News -- ScienceDaily https://ift.tt/lbFIJ7D

Common pesticide linked to more than double the risk of Parkinson’s disease

Scientists at UCLA have linked long-term exposure to the pesticide chlorpyrifos with a sharply increased risk of Parkinson’s disease. People exposed to the chemical near their homes were more than twice as likely to develop the condition. Laboratory studies showed that chlorpyrifos damages dopamine neurons and interferes with the brain’s ability to remove toxic protein buildup.

from Latest Science News -- ScienceDaily https://ift.tt/nPbFQaB

Common pesticide linked to more than double the risk of Parkinson’s disease

Scientists at UCLA have linked long-term exposure to the pesticide chlorpyrifos with a sharply increased risk of Parkinson’s disease. People exposed to the chemical near their homes were more than twice as likely to develop the condition. Laboratory studies showed that chlorpyrifos damages dopamine neurons and interferes with the brain’s ability to remove toxic protein buildup.

from Top Health News -- ScienceDaily https://ift.tt/nPbFQaB

Mountain lions changed everything in this tiny California preserve

A surprising ecological makeover unfolded when mountain lions began frequenting a small preserve south of San Francisco. Deer activity dropped, plants recovered, and shifts among predators like coyotes, bobcats, and foxes followed. The study shows that powerful “trophic cascades” aren’t limited to remote wilderness—they can happen in small, suburban preserves too.

from Latest Science News -- ScienceDaily https://ift.tt/bXAoj8a

Scientists discover what triggers belly fat as we age

Aging may trigger the appearance of specialized stem cells that supercharge the body's ability to create new belly fat. The discovery reveals a potential biological driver of middle-age weight gain and a promising target for future anti-obesity treatments.

from Top Health News -- ScienceDaily https://ift.tt/Jh4P2ve

Scientists discover what triggers belly fat as we age

Aging may trigger the appearance of specialized stem cells that supercharge the body's ability to create new belly fat. The discovery reveals a potential biological driver of middle-age weight gain and a promising target for future anti-obesity treatments.

from Latest Science News -- ScienceDaily https://ift.tt/Jh4P2ve

A “ghost” great white shark just reignited a 160-year Mediterranean mystery

The capture of a juvenile great white shark in Spain has provided fresh evidence that the Mediterranean's elusive "ghost" population of great whites still survives. Researchers reviewing 160 years of records say the discovery could even hint that the sharks are still breeding in the region.

from Latest Science News -- ScienceDaily https://ift.tt/eK52Q9h

Butter and margarine look similar but their chemistry changes everything

The battle between butter and margarine comes down to chemistry. Butter’s naturally occurring fats create rich flavors, golden browning, and flaky baked goods, while margarine’s modified plant oils offer consistency and a longer shelf life. Although both contain mostly fat, their different structures influence how they behave in recipes. Understanding those differences can help you choose the right one for cooking, baking, or health goals.

from Top Health News -- ScienceDaily https://ift.tt/wExkQlb

Scientists discover how a single cell builds a brain with 170 billion cells

How does a single cell build a brain with billions of precisely organized neurons? Researchers suggest that brain cells use their lineage—their cellular family tree—as a kind of positional map. Cells that come from the same ancestor stay near one another, helping the brain organize itself without relying solely on chemical signals.

from Latest Science News -- ScienceDaily https://ift.tt/1gTEo2U

A NASA satellite caught a giant tsunami doing something no one expected

A Pacific-wide tsunami triggered by a magnitude 8.8 Kamchatka earthquake gave scientists their first detailed satellite view of a major tsunami in motion. The observations revealed unexpected wave behavior and helped uncover a larger earthquake rupture than earlier models predicted.

from Latest Science News -- ScienceDaily https://ift.tt/L7iVja4

Osteopenia is silently weakening bones in millions of people

Osteopenia is a common but often overlooked condition that causes bones to become less dense and more fragile. Because it develops silently, many people only discover they have it after a fracture or bone scan. Aging, menopause, poor diet, and inactivity can all contribute to bone loss. Fortunately, exercise, adequate calcium and vitamin D, and other healthy habits can slow or even partially reverse the decline.

from Top Health News -- ScienceDaily https://ift.tt/h3BuMwd

One tiny mutation may explain how bat viruses become human threats

Scientists found that one tiny genetic change can completely alter how a coronavirus behaves in different species. Comparing SARS-CoV-2 with a closely related bat-only virus, they showed that a single amino-acid difference affects whether the immune system fights back or gets suppressed. This may help explain how some animal viruses make the leap to humans and become far more dangerous.

from Latest Science News -- ScienceDaily https://ift.tt/qC7FNPl

Scientists say most people need more protein than current guidelines suggest

A new review suggests that doing more exercise and eating more protein than current minimum recommendations may help people stay stronger, sharper, and more independent as they age. The goal isn't building a beach body—it's extending healthspan and maintaining the ability to fully enjoy life for decades longer.

from Latest Science News -- ScienceDaily https://ift.tt/Junrma6

Scientists say most people need more protein than current guidelines suggest

A new review suggests that doing more exercise and eating more protein than current minimum recommendations may help people stay stronger, sharper, and more independent as they age. The goal isn't building a beach body—it's extending healthspan and maintaining the ability to fully enjoy life for decades longer.

from Top Health News -- ScienceDaily https://ift.tt/Junrma6

Ebola and hantavirus can start like the flu but turn deadly fast

Two dangerous viruses are back in the spotlight, reminding health officials how quickly infectious diseases can become serious threats. Hantavirus, often linked to rodents, can cause severe heart and lung complications and has no specific treatment or vaccine, while certain strains can even spread between people. Ebola remains one of the world's most feared diseases, with some outbreaks killing up to half of those infected, although vaccines and antivirals have improved outcomes for some strains.

from Top Health News -- ScienceDaily https://ift.tt/4n3E2HF

One common fat may fuel type 2 diabetes while another helps fight it

Not all fats affect your body the same way. Researchers found that palmitic acid, a saturated fat common in many foods, may contribute to insulin resistance and type 2 diabetes by triggering inflammation, toxic fat buildup, and cellular stress. In contrast, oleic acid—the heart-healthy fat abundant in olive oil—appears to help protect insulin function and may even counter some of the harmful effects of palmitic acid.

from Latest Science News -- ScienceDaily https://ift.tt/7uckYL4

One common fat may fuel type 2 diabetes while another helps fight it

Not all fats affect your body the same way. Researchers found that palmitic acid, a saturated fat common in many foods, may contribute to insulin resistance and type 2 diabetes by triggering inflammation, toxic fat buildup, and cellular stress. In contrast, oleic acid—the heart-healthy fat abundant in olive oil—appears to help protect insulin function and may even counter some of the harmful effects of palmitic acid.

from Top Health News -- ScienceDaily https://ift.tt/7uckYL4

Think human anatomy is finished? Scientists say think again

Despite centuries of study, scientists are still finding new details and even overlooked structures within the human body. As researchers explore anatomical differences between individuals, it’s becoming clear that the body is far more complex—and less fully understood—than textbooks suggest.

from Latest Science News -- ScienceDaily https://ift.tt/52HnkBo

The first primates may have evolved in the cold, not the tropics

A surprising new study suggests the earliest primates didn't originate in tropical forests but in cold, dry parts of North America. Some may have even survived seasonal Arctic conditions by slowing their metabolism or hibernating. Researchers found that dramatic climate shifts, rather than warmth, played a major role in driving primate evolution and expansion. The discovery reshapes our understanding of how our own lineage began.

from Latest Science News -- ScienceDaily https://ift.tt/YnRkSF7

Ozempic changed obesity treatment, but experts say the real revolution is next

The obesity treatment landscape is changing fast, with GLP-1 drugs opening the door to more effective care than ever before. Experts now envision a future where medications, minimally invasive procedures, surgery, and precision medicine work together to deliver better long-term results.

from Top Health News -- ScienceDaily https://ift.tt/dcDZoPm

Scientists May Have Found What Really Triggers Alzheimer’s Disease

Scientists may have uncovered a hidden trigger behind Alzheimer’s disease. Instead of plaques being the root cause, amyloid beta appears to interfere with tau, a protein that helps keep neurons functioning properly. This disruption could set off the damage that eventually leads to the disease’s most recognizable brain changes.

from Latest Science News -- ScienceDaily https://ift.tt/vgqcOeQ

Scientists May Have Found What Really Triggers Alzheimer’s Disease

Scientists may have uncovered a hidden trigger behind Alzheimer’s disease. Instead of plaques being the root cause, amyloid beta appears to interfere with tau, a protein that helps keep neurons functioning properly. This disruption could set off the damage that eventually leads to the disease’s most recognizable brain changes.

from Top Health News -- ScienceDaily https://ift.tt/vgqcOeQ

Could cosmic memory explain dark matter, dark energy, and black holes?

A new theory suggests the universe is constantly recording its own history in the fabric of spacetime. If correct, this cosmic memory could help solve some of the biggest puzzles in physics, from black holes to dark matter and the universe’s ultimate fate.

from Latest Science News -- ScienceDaily https://ift.tt/mx2U7hG

A surprising discovery reveals the kidney has a secret backup system

Scientists at Mayo Clinic have uncovered a surprising new way the kidneys conserve water, revealing a hidden backup system that works independently of the hormone long believed to control the process. The discovery emerged when researchers testing an old drug called probenecid expected it to worsen polycystic kidney disease (PKD) but found it actually slowed cyst growth instead.

from Top Health News -- ScienceDaily https://ift.tt/sU56Q9k

Scientists found an early depression clue hidden in children’s eyes

Depression appears to change what children notice in the faces around them, but the effect depends on family history. Kids with a higher inherited risk became more focused on sadness, while lower-risk children lost some of their natural attention to happy expressions.

from Top Health News -- ScienceDaily https://ift.tt/4PCGlTY

Scientists found an early depression clue hidden in children’s eyes

Depression appears to change what children notice in the faces around them, but the effect depends on family history. Kids with a higher inherited risk became more focused on sadness, while lower-risk children lost some of their natural attention to happy expressions.

from Latest Science News -- ScienceDaily https://ift.tt/4PCGlTY

Your brain was never designed for this much bad news

Humans evolved to pay close attention to danger, but today that instinct is being overwhelmed by an endless supply of bad news from around the world. Researchers say the answer isn’t to stop following current events—it’s to build healthier habits around how, when, and where we get our news.

from Latest Science News -- ScienceDaily https://ift.tt/5nFfCXV

Scientists crack a decades-old CO2 problem and triple fuel production

A new catalyst design could significantly improve the conversion of CO2 into methanol, an important fuel and chemical feedstock. Researchers separated key reaction steps across different catalyst sites, avoiding a long-standing trade-off between speed and efficiency. The result was about three times more methanol production than standard commercial catalysts.

from Latest Science News -- ScienceDaily https://ift.tt/Zlvhpz3

Reversing prediabetes cuts risk of deadly heart problems by 58%

Bringing blood sugar levels back to normal may dramatically reduce the danger posed by prediabetes. Researchers found that people who reversed prediabetes cut their risk of cardiovascular death or hospitalization for heart failure by 58% and lowered their chances of major heart problems such as heart attacks and strokes by 42%. The benefits lasted for decades and were seen across large long-term studies in both the U.S. and China.

from Top Health News -- ScienceDaily https://ift.tt/EJiC6Wq

Ancient Denisovan DNA still shapes human immunity today

Ancient encounters between humans and the mysterious Denisovans are still shaping people today. By analyzing genomes from populations across the Pacific, researchers uncovered evidence that the ancestors of Near Oceanians interbred with at least three different Denisovan groups, leaving behind genetic variants that remain active in modern humans.

from Latest Science News -- ScienceDaily https://ift.tt/tqBcu3r

Why middle age is becoming a breaking point in the U.S.

A new international study finds that middle-aged Americans are lonelier, more depressed, and experiencing worse memory and health than earlier generations. Researchers say growing financial strain, weaker social supports, and chronic stress may explain why the U.S. is falling behind other wealthy nations.

from Top Health News -- ScienceDaily https://ift.tt/BY3qrRC

New fentanyl vaccine blocks deadly overdoses before they start

A new experimental vaccine developed by Scripps Research could offer a powerful new way to prevent fentanyl overdoses by stopping the drug before it reaches the brain. Rather than targeting only fentanyl itself, the vaccine trains the immune system to recognize a broad range of fentanyl-related designer drugs, including some of the most dangerous variants.

from Latest Science News -- ScienceDaily https://ift.tt/1Xx7uer

Stanford scientists regrow lost cartilage and reverse arthritis in major breakthrough

A new treatment that blocks an aging-related protein restored lost cartilage in old mice and helped prevent arthritis after knee injuries. Human cartilage samples showed similar signs of regeneration, raising hopes for a future drug that could repair joints instead of replacing them.

from Top Health News -- ScienceDaily https://ift.tt/l3dGMro

Scientists found the strength training sweet spot for a longer life

Just 90–120 minutes of strength training a week may deliver some of the biggest long-term health rewards, according to a study tracking more than 147,000 people for 30 years. That amount was linked to lower risks of death overall, particularly from cardiovascular and neurological diseases. Combining strength workouts with aerobic exercise produced even stronger benefits.

from Top Health News -- ScienceDaily https://ift.tt/j3dJpT5

Scientists found the strength training sweet spot for a longer life

Just 90–120 minutes of strength training a week may deliver some of the biggest long-term health rewards, according to a study tracking more than 147,000 people for 30 years. That amount was linked to lower risks of death overall, particularly from cardiovascular and neurological diseases. Combining strength workouts with aerobic exercise produced even stronger benefits.

from Latest Science News -- ScienceDaily https://ift.tt/j3dJpT5

Scientists shut down cancer DNA repair to overcome drug resistance

Cancer cells often survive treatment by fixing the DNA damage that therapy is meant to cause. Researchers found that UNI418 can disrupt this repair ability, leaving cancer cells more exposed. When combined with a PARP inhibitor, it helped resistant cancer cells respond to treatment again. The findings point to a new strategy for overcoming cancer drug resistance.

from Latest Science News -- ScienceDaily https://ift.tt/U4QZvIw

Scientists shut down cancer DNA repair to overcome drug resistance

Cancer cells often survive treatment by fixing the DNA damage that therapy is meant to cause. Researchers found that UNI418 can disrupt this repair ability, leaving cancer cells more exposed. When combined with a PARP inhibitor, it helped resistant cancer cells respond to treatment again. The findings point to a new strategy for overcoming cancer drug resistance.

from Top Health News -- ScienceDaily https://ift.tt/U4QZvIw

Sleep apnea’s hidden heart disease trigger found in the gut

A surprising gut-heart connection may help explain why sleep apnea increases the risk of cardiovascular disease. In mice, disabling a bile acid receptor called FXR sharply reduced plaque buildup, opening the door to potential new treatments based on gut microbes and their chemical signals.

from Top Health News -- ScienceDaily https://ift.tt/ZQhoamS

Scientists found a new Alzheimer’s trigger and a drug that stops it

Researchers have identified a new Alzheimer’s target and created an experimental compound that blocks a damaging process inside brain cells. In mice, the treatment slowed nerve cell loss, reduced Alzheimer’s-related changes, and even appeared to promote healthier aging.

from Latest Science News -- ScienceDaily https://ift.tt/tUACohc

Scientists found a new Alzheimer’s trigger and a drug that stops it

Researchers have identified a new Alzheimer’s target and created an experimental compound that blocks a damaging process inside brain cells. In mice, the treatment slowed nerve cell loss, reduced Alzheimer’s-related changes, and even appeared to promote healthier aging.

from Top Health News -- ScienceDaily https://ift.tt/tUACohc

Heat breaks the rules at the nanoscale and scientists used it to their advantage

Scientists used nanoscale gold metamaterials to supercharge heat transfer across tiny gaps, achieving up to four times more energy flow than similar conventional systems. The breakthrough could lead to better chip cooling, more efficient energy technologies, and a new era of precision heat engineering.

from Latest Science News -- ScienceDaily https://ift.tt/RLTnUQm

Doctors thought this kidney drug helped some patients. It may help millions more.

A trio of major studies found that finerenone may protect the kidneys and heart in far more people than previously thought. The drug significantly slowed kidney disease progression and reduced the risks of kidney failure, heart failure, cardiovascular death, and overall mortality. Researchers saw benefits not only in patients with diabetes but also in those with non-diabetic kidney disease, a group with limited treatment options.

from Top Health News -- ScienceDaily https://ift.tt/6c7CUyW

Ancient Chinese medicine could transform hair loss treatment

A traditional Chinese medicinal root used for over a thousand years is attracting new scientific attention for its potential to combat hair loss. Studies suggest Polygonum multiflorum can block harmful hormones, activate hair-growth signals, protect follicles, and boost blood flow to the scalp. Researchers say the herb’s effects align remarkably well with both ancient descriptions and modern hair biology.

from Latest Science News -- ScienceDaily https://ift.tt/bjamg8z

Scientists finally complete Schrödinger’s 100-year-old color theory

Researchers have finally resolved a key problem in a 100-year-old theory of color, showing that the qualities we perceive in colors are intrinsic to the mathematics of color space itself. The discovery sharpens our understanding of human vision and could lead to more precise color technologies and visualizations.

from Latest Science News -- ScienceDaily https://ift.tt/06ydUrG

Ancient Chinese medicine could transform hair loss treatment

A traditional Chinese medicinal root used for over a thousand years is attracting new scientific attention for its potential to combat hair loss. Studies suggest Polygonum multiflorum can block harmful hormones, activate hair-growth signals, protect follicles, and boost blood flow to the scalp. Researchers say the herb’s effects align remarkably well with both ancient descriptions and modern hair biology.

from Top Health News -- ScienceDaily https://ift.tt/bjamg8z

Ozempic and similar weight-loss drugs linked to 30% lower breast cancer risk

A large study found that women taking GLP-1 drugs, the medication class behind Ozempic, Wegovy, Mounjaro, and Zepbound, were about 30% less likely to develop breast cancer. Researchers say the findings are promising but not yet proof, and clinical trials are now being planned to test whether these drugs could help prevent breast cancer.

from Latest Science News -- ScienceDaily https://ift.tt/uE7hnfU

Ozempic and similar weight-loss drugs linked to 30% lower breast cancer risk

A large study found that women taking GLP-1 drugs, the medication class behind Ozempic, Wegovy, Mounjaro, and Zepbound, were about 30% less likely to develop breast cancer. Researchers say the findings are promising but not yet proof, and clinical trials are now being planned to test whether these drugs could help prevent breast cancer.

from Top Health News -- ScienceDaily https://ift.tt/uE7hnfU

Rising seas could drown mangroves and release vast stores of carbon

Mangroves are famous for trapping vast amounts of carbon, helping slow climate change. However, a new study suggests rising sea levels could eventually reduce that benefit across entire forests. As flooding becomes too extreme, mangroves may die off and their carbon-rich soils could erode, potentially turning these coastal ecosystems from carbon sinks into carbon sources.

from Latest Science News -- ScienceDaily https://ift.tt/XBzc0UF

The biggest collagen study yet reveals what actually works

A major review of nearly 8,000 participants found that collagen supplements can improve skin health and ease osteoarthritis symptoms, especially when taken consistently over longer periods. Researchers also found modest benefits for muscle and tendon health. But the results challenge claims that collagen enhances sports performance, as it showed little effect on recovery or post-workout soreness.

from Top Health News -- ScienceDaily https://ift.tt/OLrlCvY

NASA's Webb detects methane and strange chemistry on interstellar comet 3I/ATLAS

NASA's James Webb Space Telescope has uncovered unusual chemistry in interstellar comet 3I/ATLAS, including the first direct detection of methane on a visitor from another star system. The comet also contains exceptionally high levels of carbon dioxide, making it unlike most comets born in our solar system. Scientists believe the methane was hidden beneath the surface and only emerged after solar heating reached deeper icy layers.

from Latest Science News -- ScienceDaily https://ift.tt/PWNUzwF

Brain scans reveal two distinct types of autism

Scientists have uncovered evidence that autism may include at least two biologically distinct subtypes, each marked by a different pattern of brain communication. By combining brain scans from nearly 1,000 people with autism with insights from 20 genetically engineered mouse models, researchers identified a “hyperconnectivity” subtype, where brain regions communicate more than usual, and a “hypoconnectivity” subtype, where communication is reduced.

from Top Health News -- ScienceDaily https://ift.tt/9SYUEV5

New light-powered chip could accelerate AI and quantum computing

Scientists have created a tiny chip that can generate, steer, and read light-based information all in one device, marking a major leap toward ultra-fast, energy-efficient computing. The breakthrough uses atomically thin materials and nanoscale structures to control a unique quantum property of light called the “valley” degree of freedom, allowing information to be encoded in new ways.

from Latest Science News -- ScienceDaily https://ift.tt/cXUqBD1

One fat helped pancreatic cancer grow while another cut disease in half

A surprising new study suggests that when it comes to pancreatic cancer, the kind of fat you eat may matter more than how much. Researchers found that oleic acid—the main fat in olive oil and several other common foods—sped up tumor growth in mice predisposed to pancreatic cancer, while omega-3-rich fats from fish oil dramatically slowed disease development.

from Top Health News -- ScienceDaily https://ift.tt/oeK4G63

The forgotten organ that could predict how long you live

A long-overlooked organ may hold surprising clues to healthy aging and cancer survival. Researchers at Mass General Brigham used AI to analyze CT scans from tens of thousands of adults and found that people with healthier thymuses—a small immune-system organ once thought to become largely irrelevant after childhood—lived longer and had substantially lower risks of heart disease, cancer, and death.

from Latest Science News -- ScienceDaily https://ift.tt/kb1UBoD

Why Sweden’s wolverine conservation success story is unraveling

A world-famous conservation program that helped save Sweden’s endangered wolverines is now struggling as funding stagnates and local trust erodes. Researchers say the decline offers a cautionary lesson: protecting wildlife requires long-term commitment, not just early success.

from Latest Science News -- ScienceDaily https://ift.tt/m3GgpSI

The forgotten organ that could predict how long you live

A long-overlooked organ may hold surprising clues to healthy aging and cancer survival. Researchers at Mass General Brigham used AI to analyze CT scans from tens of thousands of adults and found that people with healthier thymuses—a small immune-system organ once thought to become largely irrelevant after childhood—lived longer and had substantially lower risks of heart disease, cancer, and death.

from Top Health News -- ScienceDaily https://ift.tt/kb1UBoD

This strange crystal acts like metal and glass at the same time

A remarkable crystal called molybdenum oxychloride could help make futuristic technologies like smart contact lenses and ultrathin AR glasses a reality. Scientists have created the first detailed experimental map of its optical properties, revealing the strongest light-bending effect ever measured in a natural material. The crystal can act either like a reflective metal or transparent glass, allowing it to manipulate light with extraordinary efficiency while being thousands of times thinner than a human hair.

from Latest Science News -- ScienceDaily https://ift.tt/V2eJN4f