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research Articles | Developments Today

Quantum Work Extraction Without Advance State Knowledge Could Simplify Future Thermal Machines

A Nature Communications study says maximum work extraction is possible without knowing a quantum system’s exact state in advance.
The result applies in the asymptotic limit across many copies of the system.
The finding could simplify how researchers think about information requirements in quantum thermodynamics.

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DT Editorial Team·Apr 18, 2026·via phys.org

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Ground-laid fiber optic cable unexpectedly captured a plane's flight data at a Nevada airfield

A T-shaped fiber optic cable was originally deployed for OSIRIS-REx re-entry signal recording.
The same setup captured unique aspects of a Cessna 172 flight.
The result suggests broader uses for distributed fiber sensing in field environments.

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DT Editorial Team·Apr 17, 2026·via phys.org

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Researchers say some Alzheimer's movement symptoms may start outside the brain

UCF researchers found evidence that some movement-related Alzheimer's symptoms may originate outside the brain.
The finding could influence future diagnostic approaches.
It may also open new paths for treatment research.

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DT Editorial Team·Apr 17, 2026·via medicalxpress.com

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A new study fails to find any evidence DMT in rat brains, sparking debate over whether the brain really produces its own psychedelic "spirit molecule"

New rat-brain study reignites debate over whether the brain makes its own DMT

A new study reported scant evidence for endogenous DMT in rat brains.
Researchers said they found no evidence of DMT formation or retention in serotonin terminals.
The result conflicts with a notable 2019 study that argued rat brains can synthesize and release DMT.
The dispute now centers on both biology and experimental method.

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DT Editorial Team·Apr 17, 2026·via refractor.io

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Gut microbial diversity and inferred capacity to produce butyrate modulate cortisol reactivity following acute stress in healthy adults (via biorxiv.org)

Gut Microbe Diversity Is Linked to Cortisol Surges During Acute Stress

University of Vienna researchers link gut bacteria diversity to cortisol spikes during acute stress
The study focuses on healthy adults rather than a clinical patient group
The finding adds to evidence that the microbiome is involved in broader physiological regulation

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DT Editorial Team·Apr 17, 2026·via medicalxpress.com

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DT Editorial Team·Apr 17, 2026·via medicalxpress.com

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DT Editorial Team·Apr 16, 2026·via space.com

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DT Editorial Team·Apr 15, 2026·via wired.com

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DT Editorial Team·Apr 14, 2026·via nature.com

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DT Editorial Team·Apr 13, 2026·via quantamagazine.org

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DT Editorial Team·Apr 12, 2026·via medicalxpress.com

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DT Editorial Team·Apr 12, 2026·via medicalxpress.com

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DT Editorial Team·Apr 11, 2026·via arstechnica.com

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DT Editorial Team·Apr 11, 2026·via newscientist.com

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DT Editorial Team·Apr 9, 2026·via medicalxpress.com

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DT Editorial Team·Apr 8, 2026·via universetoday.com

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DT Editorial Team·Apr 8, 2026·via universetoday.com

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DT Editorial Team·Apr 7, 2026·via medicalxpress.com

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DT Editorial Team·Apr 7, 2026·via interestingengineering.com

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DT Editorial Team·Apr 7, 2026·via nature.com

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More in Health→

Menstrual Cycle Study Maps Nearly 200 Blood Proteins, Expanding the Biological Picture of Women’s Health

Researchers mapped large-scale blood-protein changes across the menstrual cycle
Nearly 200 proteins shifted systematically over the course of a cycle
The study links cycle-related protein changes to pathways relevant to endometriosis, fibroids, and bleeding disorders

More in Health→

An illustration of the exoplanet 29 Cygni b

James Webb Observations Sharpen the Debate Over How Supergiant Planets Form

Astronomers used Webb to study 29 Cygni b, a gas giant about 15 times Jupiter’s mass.
The planet’s heavy-element enrichment may help test competing theories of giant-planet formation.
The research could help clarify the boundary between massive planets and star-like bodies.

More in Space→

AI Slop Is Making the Internet Fake-Happy

Study Finds AI-Written Websites Are More Cheerful and Less Diverse in Tone

A new preprint estimates roughly 35 percent of new websites are AI-generated or AI-assisted.
The study found AI-written sites had 107 percent higher average positive sentiment scores.
Researchers also found AI-heavy sites were more semantically similar, suggesting less ideological diversity.

More in Culture→

Plasma proteomic signature of the human menstrual cycle - Nature Medicine

Large biobank study maps protein shifts across the menstrual cycle

Researchers profiled nearly 3,000 plasma proteins in 2,760 women from the UK Biobank.
The study identified 198 proteins that vary across the menstrual cycle.
Several cycle-linked proteins were associated with endometriosis, leiomyoma, and abnormal bleeding.
A 75-protein score accurately predicted menstrual cycle phase in the study.

More in Health→

$The AI Revolution in Math Has Arrived | Quanta Magazine$

AI Starts Changing How Math Research Gets Done

Quanta reports AI moved from solving Olympiad problems to assisting real math research.
Researchers are using models to generate conjectures, test proof strategies, and verify results.
Mathematicians say the tools may change both the pace and style of mathematical discovery.

More in Science→

Study Links Newly Detected Adult Anemia to Higher Cancer Risk and Mortality

A population-based study linked anemia detected in adults with higher cancer risk.
The same study also found an association between anemia and higher mortality.
The findings suggest newly detected anemia may warrant closer clinical follow-up.

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Researchers Describe the Default Mode Network as a Split System of Senders and Receivers

A new study says the default mode network may divide into sender and receiver zones.
The default mode network is associated with internally oriented cognition.
The finding could shift research toward directional communication inside brain networks.

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Image of a circular pool of pale blue water with steam rising from it. The surroundings are richly covered soils with forests in the distance.

A New Yellowstone Study Challenges the Classic Mantle Plume Explanation

A new paper argues Yellowstone may be powered by crust-opening stresses tied to the long disappearance of the Farallon plate.
The proposal challenges the standard interpretation of Yellowstone as a straightforward mantle plume hotspot.
The study addresses mismatches in eruption chemistry and a gap in volcanic activity between Yellowstone and the Snake River Plain.
Its broader significance lies in showing how ancient tectonic history can shape present-day volcanism.

More in News→

Physicists resolve a long-standing puzzle over the size of a proton

Physicists Say the Proton Radius Puzzle May Finally Be Settled

Two new experiments support the smaller proton size first flagged in 2010.
Both studies used hydrogen atoms and laser-controlled electron transitions.
The measurements point to a proton radius of about 0.84 femtometres.
A firmer proton radius could improve future precision tests and searches for new particles.

More in Science→

Gut Microbiome Study Adds a New Clue to the HIV Persistence Puzzle

Karolinska Institutet researchers reported an association between gut bacteria composition and latent HIV levels
The finding concerns people receiving antiretroviral therapy
The study points to a potential new avenue for HIV persistence and cure research

More in Health→

Image of the NGC 1052-DF2 Ultra Diffuse Galaxy that started the chain of discoveries of galaxies lacking dark matter. Credit - NASA, ESA, and P. van Dokkum (Yale)

Astronomers report a third galaxy that appears to lack dark matter

Astronomers report a third galaxy that appears to be missing dark matter.
The finding supports the controversial ‘Bullet Dwarf’ collision scenario.
Such galaxies are important tests for dark matter and modified gravity theories.

More in Space→

Astronomers studied more than 1 million galaxies and more than 8,000 growing supermassive black holes (SMBH) over billions of years to try to answer a difficult question. During Cosmic Noon about 10 billion years ago, the growth of SMBH began to slow dramatically. The image on the left represents one of the rapidly-growing SMBH in the past, and the image on the right represents a slower-growing SMBH about 3 billion light-years away. Image Credit: X-ray: NASA/CXC/Penn State Univ./Z. Yu; Optical (HST): NASA/ESA/STScI; Infrared: NASA/ESA/CSA/STScI; Image Processing: NASA/CXC/SAO/P. Edmonds, L. Frattare

Astronomers Trace the Long Slowdown in Supermassive Black Hole Growth

Researchers studied more than 1 million galaxies and over 8,000 growing supermassive black holes.
The study says black hole growth peaked around z ≈ 1.5 to 2 and then declined.
A leading explanation is the reduced availability of cold gas needed for accretion.

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Large Study Links Prenatal Smoking Exposure to Emotional and Behavioral Problems Across Childhood

A large study linked prenatal smoking exposure to later emotional and behavioral problems.
The report says affected children were more likely to face mental health challenges.
The finding spans childhood rather than a single age window.
The study was published in the journal Development and Psychopathology.

More in Health→

US scientists design single-step process to turn ethanol into jet fuel

New US Catalyst Could Lower the Cost of Ethanol-Based Jet Fuel

US researchers designed a catalyst that converts ethanol into jet fuel in one step.
The reported benefit is a significant reduction in production cost.
The development is framed as a process breakthrough rather than a new feedstock.
The supplied material does not include detailed performance metrics or commercialization timelines.

More in Innovation→

An international mega-analysis of psychedelic drug effects on brain circuit function - Nature Medicine

Mega-analysis Finds Shared Brain-Circuit Signature Across Five Psychedelic Drugs

Researchers combined 11 resting-state fMRI datasets across five psychedelic drugs.
The study found increased connectivity between higher-order transmodal networks and sensory-motor networks.
Subcortical regions including the thalamus, caudate, and putamen also showed shared changes.

More in Health→