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Today — 16 July 2025Latest Science News -- ScienceDaily

25 years, 1 coastline report card: The shocking wins and misses

Twenty-five years after first warning that oil spills would wane while invasive species and climate impacts would surge, an international team revisits its coastal forecasts and finds many bull's-eyes, alongside surprising misses. Plastic pollution, ocean acidification, and sensory pollution have risen faster than imagined, even as strong treaties curbed chemicals like TBT. The scientists argue that shorelines remain “sentinels” for the global ocean and urge a blend of local action and sweeping accords such as a Global Plastics Treaty to keep future surprises in check.

The secret motor protein that slams leaf pores shut—and saves crops

Scientists have discovered that a protein once thought to be just a cellular "courier" actually helps plants survive drought. This motor protein, myosin XI, plays a critical role in helping leaves close their pores to conserve water. When it's missing, plants lose water faster, respond poorly to drought, and activate fewer protective systems. The finding could open the door to hardier crops that can withstand a warming, drying world.

New study cracks the “tissue code” — just five rules shape organs

Scientists have uncovered a surprisingly simple “tissue code”: five rules that choreograph when, where, and how cells divide, move, and die, allowing organs like the colon to remain flawlessly organized even as they renew every few days. Mathematical models showed that manipulating just these parameters faithfully recreates real tissue architecture, hinting that the same code may govern skin, brain, and more. The discovery offers a fresh way to understand healing, birth defects, and cancer, and could supercharge initiatives such as the Human Cell Atlas by turning static cell maps into dynamic predictions.

Fiji ant plant builds tiny condos that stop ant wars

High in Fiji s rainforest, the ant plant Squamellaria grows swollen tubers packed with sealed, single-door apartments. Rival ant species nest in these chambers, fertilizing their host with nutrient-rich waste while never meeting face-to-face. When researchers sliced open the walls, fatal battles erupted, confirming that the plant s compartmentalized architecture prevents war and sustains the partnership. CT scans of the tubers unveiled a meticulously isolated maze, showcasing evolution s clever fix for keeping multiple, unrelated houseguests peacefully productive.

Six-hour ‘undo’ button: GAI-17 rewinds stroke damage and may beat Alzheimer’s

Stroke kills millions, but Osaka researchers have unveiled GAI-17, a drug that halts toxic GAPDH clumping, slashes brain damage and paralysis in mice—even when given six hours post-stroke—and shows no major side effects, hinting at a single therapy that could also tackle Alzheimer’s and other tough neurological disorders.

Chirality shock: Geneva chemists forge millennia-stable ‘mirror-proof’ drugs

Chemists at the University of Geneva and University of Pisa have crafted a novel family of chiral molecules whose mirror-image “handedness” remains rock-solid for tens of thousands of years. By swapping the usual carbon-bound arms for oxygen and nitrogen, they introduced an unprecedented stereogenic center and proved its extreme resilience through dynamic chromatography and quantum calculations. This breakthrough not only prevents life-saving drugs from flipping into harmful twins but also unlocks fresh 3D architectures for future medicines and smart materials.

Weight-loss wonder drug Mounjaro/Zepbound shrinks breast cancer tumors

A cutting-edge mouse study reveals that tirzepatide, the dual GLP-1/GIP drug already hailed for impressive weight loss, does more than trim fat: it slashes the growth of obesity-linked breast tumors. University of Michigan researchers found mice lost about 20 % body weight and adipose tissue while their tumors shrank in tandem, hinting that the blockbuster medication could one day double as a cancer-fighting ally for patients with obesity.

Fasting twice a week could be a game-changer for type 2 diabetes

A new study comparing three popular diets—intermittent fasting, time-restricted eating, and continuous calorie cutting—found that all can help people with type 2 diabetes lose weight and lower blood sugar. But one diet stood out: the 5:2 intermittent fasting plan, where participants eat normally five days a week and restrict calories on two. It led to better results in fasting blood sugar, insulin response, and sticking with the plan.

Semaglutide melts fat—but may quietly strip away your strength

Semaglutide, a popular anti-obesity drug, may come with a hidden cost: significant muscle loss, especially in women and older adults. A small study found that up to 40% of weight loss from semaglutide comes from lean body mass. Alarmingly, those who consumed less protein saw even more muscle loss—potentially undermining improvements in blood sugar control.

Big-Bang echoes unmask a billion-light-year hole around Earth—and it’s stretching space faster

Our galaxy may reside in a billion-light-year-wide cosmic bubble that accelerates local expansion, potentially settling the long-running Hubble tension. Galaxy counts reveal a sparsely populated neighborhood, and “fossil” sound waves from the Big Bang bolster the void scenario, hinting that gravity has hollowed out this region. Confirming the bubble could refine the universe’s age and reshape our grasp of cosmic growth.

Obesity is driving a hidden cancer epidemic—13 types and rising deaths nationwide

Obesity-related cancer deaths in the U.S. have tripled in just two decades, with women, older adults, and minority groups most affected. New research presented at ENDO 2025 highlights how obesity—linked to 13 different cancers—is now a major contributor to cancer mortality, especially in underserved and rural populations. Despite the growing awareness of obesity’s broader health impacts, this surge in cancer fatalities reveals an urgent need for targeted public health interventions and equitable access to care.

Two monster black holes just collided — it’s so massive, it shouldn’t exist

Two colossal black holes—among the most massive ever seen—collided in deep space, creating gravitational waves that rippled across the cosmos and shook the foundations of astrophysical theory. Detected by the LIGO-Virgo-KAGRA observatories, this record-breaking merger has stunned scientists not only because of its size, but also due to the black holes’ extreme spins, challenging our current understanding of how such behemoths form.
Yesterday — 15 July 2025Latest Science News -- ScienceDaily

One shot, seven days: Long-acting levodopa gel tackles Parkinson’s tremors

Researchers in Australia have created a biodegradable gel that delivers Parkinson’s medications through a single weekly shot, replacing the need for multiple daily pills. Injected just under the skin, the gel steadily releases levodopa and carbidopa for seven days, helping keep tremors and stiffness in check while easing side effects linked to fluctuating doses.

Sweet but risky: Common sweeteners may be accelerating puberty in kids

Kids who consume artificial and natural sweeteners like aspartame, sucralose, and glycyrrhizin may face an increased risk of early puberty, especially if they carry specific genetic markers. This large-scale Taiwanese study links sweeteners to hormonal changes and gut bacteria imbalances that can speed up puberty, with effects differing between boys and girls. Early onset puberty has been tied to serious health consequences later in life, including emotional stress and metabolic disorders. The findings could reshape dietary recommendations and encourage genetic screening to mitigate long-term risks.

Gravitational shockwave: LIGO catches a 225-solar-mass black-hole smash-up

Gravitational-wave detectors have captured their biggest spectacle yet: two gargantuan, rapidly spinning black holes likely forged by earlier smash-ups fused into a 225-solar-mass titan, GW231123. The record-setting blast strains both the sensitivity of LIGO-Virgo-KAGRA and the boundaries of stellar-evolution theory, forcing scientists to rethink how such cosmic heavyweights arise.

Hubble Cracks Open a Glittering Cosmic Time Capsule, Revealing Multi-Generational Stars 160,000 Light-Years Away

Hubble’s crystal-clear look at NGC 1786—an ancient globular cluster tucked inside the Large Magellanic Cloud—pulls us 160,000 light-years from Earth and straight into a cosmic time machine. Packed with stars of several different ages, this glittering sphere helps astronomers test whether layered “generations” of suns are common across galaxies. By comparing NGC 1786 and other dwarf-galaxy clusters with those orbiting the Milky Way, researchers hope to retrace how both the LMC and our own galaxy pieced themselves together in the early universe.

Can zebrafish help humans regrow hearing cells?

Zebrafish can regenerate sensory hair cells that humans permanently lose, like those in the inner ear linked to hearing and balance. New research reveals two specific genes that control how different supporting cells in zebrafish divide and regenerate, offering clues to how mammals might someday tap into similar regenerative powers.

It looked like nothing—then scientists found a world 10x the size of Jupiter

Astronomers have uncovered a massive, hidden exoplanet nestled in the dusty disc of a young star—MP Mus—by combining cutting-edge data from the ALMA observatory and ESA’s Gaia mission. Initially thought to be planet-free, the star’s surrounding disc appeared deceptively empty. But new observations and a telltale stellar “wobble” pointed to a Jupiter-sized gas giant forming within the disc’s obscured gaps. This marks the first time a planet in such a disc has been detected using these tools, opening the door to finding more young worlds that have so far evaded detection.

This AI-powered lab runs itself—and discovers new materials 10x faster

A new leap in lab automation is shaking up how scientists discover materials. By switching from slow, traditional methods to real-time, dynamic chemical experiments, researchers have created a self-driving lab that collects 10 times more data, drastically accelerating progress. This new system not only saves time and resources but also paves the way for faster breakthroughs in clean energy, electronics, and sustainability—bringing us closer to a future where lab discoveries happen in days, not years.

Deadly disguise: How candy-like nicotine pouches caused a 763% spike in child poisonings

A massive spike in young children accidentally ingesting nicotine pouches has alarmed poison control researchers, with a 763% rise reported between 2020 and 2023. Unlike other nicotine products, these pouches have quickly become the most dangerous form ingested, often leading to hospital visits. Experts say appealing packaging and flavors are part of the problem and they're pushing for tougher safety measures, including childproof storage and flavor bans.
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