Is there a better way of diagnosing obesity than BMI?
A landmark study proposes a new way to identify people whose excess body fat is affecting their health
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A Chemical Fingerprint in Ancient Rocks Suggests Plate Tectonics Began 2.5 Billion Years Ago
There was a time when Earth didn’t have plate tectonics The post A Chemical Fingerprint in Ancient Rocks Suggests Plate Tectonics Began 2.5 Billion Years Ago appeared first on Nautilus .
Scientists find a simple daily routine linked to less pain and depression
A simple change to your daily routine could make a surprising difference in how you feel, both physically and mentally. University of Missouri researchers found that older adults who followed consistent daily schedules reported less physical pain and fewer symptoms of
A new fiber supplement could help millions suffering from irritable bowel syndrome
Scientists have developed a promising new fiber supplement that improves gut health in people with irritable bowel syndrome (IBS) without worsening bloating, pain, or other digestive symptoms. The specially designed blend also improved gut-related anxiety and produced
Stanford scientists discover hidden brain signals that predict Alzheimer’s years before symptoms
Stanford researchers have discovered that hidden patterns of brain activity can predict Alzheimer’s risk years before memory problems appear, potentially offering an earlier warning than traditional biomarkers. The same patterns also reveal which brains are unusually resistant
Exercise after ACL surgery may protect knees from early osteoarthritis
A new study suggests that the right kind of exercise could help protect young adults from early knee osteoarthritis following ACL surgery. Researchers found that a four-month supervised rehabilitation program improved pain, muscle strength, and quality of life without damaging
We beat screwworm once. Here’s how we’re trying to do it again
Screwworm, which can devastate livestock, was eliminated from the U.S. in 1966. Now they’re back and the same old technique won’t be enough to get rid of them
A giant icy world hiding beyond Pluto could be our sixth dwarf planet
Astronomers have uncovered a potentially enormous new dwarf planet beyond Pluto, hidden for years in one of the most crowded regions of the night sky. The discovery of 2026 ED138 could expand the solar system's official dwarf planet family and hints that more mysterious worlds
Scientists discover a surprisingly simple way to turn coffee waste into fuel
Scientists have developed an efficient method to transform used coffee grounds into a potential source of biodiesel while preserving the leftover material for other renewable fuels and valuable chemicals. The discovery could turn millions of tons of discarded coffee waste into
Why the brain’s ability to picture images may influence decision making
Some people are excellent at visualizing scenes and images in their head, while others can’t do it at all
Yale scientists reveal what really slows aging and what doesn't
Yale researchers have discovered that certain prescription drugs, healthy diets, and exercise can measurably slow biological aging, while popular anti-aging supplements appear largely ineffective. Their analysis of 51 studies could transform how scientists evaluate anti-aging
5,000-year-old skulls reveal a disturbing secret of ancient Egypt's first kings
A 5,000-year-old mystery surrounding the tombs of Egypt’s first kings has taken a disturbing turn. Scientists reexamining 46 ancient skulls discovered evidence of potentially fatal head injuries in 18, suggesting that at least 39% of those studied may have been deliberately
The role of social relationships in scaling agricultural innovations: A dimension that remains underreported in research
A study published in Frontiers in Sustainable Food Systems reveals that, although partnerships and institutional collaboration feature prominently in climate-oriented agricultural research, their relationship with the scaling of innovations is rarely explicitly documented. The
Forcing yourself to smile can actually make you miserable
Smiling may not always make you happier, and new research suggests that forcing yourself to smile repeatedly could actually make you feel worse. In a University of Florida study involving more than 1,100 participants, researchers discovered that while a single artificial smile
Heavier-than-expected electron behavior may explain slower electrical flow in alpha-gallium oxide
Power electronic devices help control the flow of electricity and convert it into forms needed by different machines, such as electric vehicles, renewable energy systems and industrial equipment. Some electrical energy is lost as heat during this process, reducing efficiency
Scientists capture electrons making seemingly impossible quantum jumps
Scientists have captured electrons making seemingly impossible jumps across forbidden energy gaps in graphene, with some transitions occurring at a remarkable 100% probability. The breakthrough offers an unprecedented look at quantum behavior and could help unlock a new
FAA grounds all U.S. flights days after expanding its AI air traffic system
National ground stops of this kind are exceedingly rare
AI supercharges laser physics with a stunning 250x speed boost
Researchers at Stanford, UCLA, and SLAC have developed an AI system that simulates complex laser interactions thousands of times faster than conventional methods. The breakthrough allows scientists to predict how laser pulses behave inside special crystals in just milliseconds,
Fiji petrel eludes 10-day search as communities aim to protect bird's habitat
A new study details scientists' search for one of the planet's rarest birds in the waters off Fiji's Gau Island. Spanning 10 days, the expedition yielded no verified sightings of the critically endangered Fiji petrel, one of the world's most elusive birds. Fewer than 50
Unstable plasma heats itself with waves it generates, experiments reveal
Fusion power is expected to be a sustainable energy source that emits no carbon dioxide during electricity generation. To achieve this, research is underway worldwide to confine high-temperature plasma using magnetic fields. To initiate a fusion reaction, high-energy particles
Same farms, different answers: When nitrogen pollution estimates don't add up
To reduce nitrogen pollution stemming from synthetic fertilizer and livestock waste, California's Central Valley relies on five data sets to estimate surplus nitrogen. However, most parts of the United States use just one or two data sets—the U.S. Department of Agriculture's
The World’s Largest Marine Turtle Makes a Move South
Nesting leatherbacks chase cooler waters to Ecuador’s beaches The post The World’s Largest Marine Turtle Makes a Move South appeared first on Nautilus .
Hidden 'master switch' allows bacteria to breach the body's defenses
Researchers at Penn Dental Medicine have uncovered a previously unknown molecular mechanism by which bacteria rapidly compromise the body's protective barriers, a finding that could reshape how scientists approach a wide range of serious diseases.
'Planimal' cells retain nearly entire algal genome after experimental cell fusion
Most DNA in an organism is inherited from its parent or parents. This form of genetic inheritance is referred to as vertical inheritance because genes are passed down from generation to generation.
Modified $450 3D printer builds living materials with more than 100 layers
Living materials created with a 3D printer are like living tissues with one notable exception: You get to choose exactly which cells are in them, as well as their final 3D shape. Depending on the type of bacteria included in the print, the material can clean up contaminated
Why Sleep Might Not be as Restorative as We Get Older
Our brains need a nightly scrubbing The post Why Sleep Might Not be as Restorative as We Get Older appeared first on Nautilus .
Genomic analysis restores species status to 12 overlooked Great Barrier Reef corals
An international team of scientists working with Queensland Museum's CoralBank project has uncovered previously hidden coral diversity on Australia's east coast, revealing that 12 corals once considered variations of other species are distinct species in their own right.
Common ADHD classroom accommodations may not help students succeed, study finds
Extra time on assignments. Frequent breaks. A quiet place to work. For students with attention-deficit/hyperactivity disorder (ADHD), these are some of the most common accommodations schools provide to make learning easier. But are they actually helping children succeed? A new
Happy face, angry voice: Human–dog interaction study tracks conflicting cues
Dogs, having lived alongside humans for tens of thousands of years, are keenly tuned in to our emotions. Behavioral experiments, brain studies and even measurements of heart rate all suggest dogs respond differently depending on the emotional expressions they encounter in humans.
What Public Health Initiatives Looked Like in the Middle Ages
The road to hell is paved in good intentions, the roads in Trondheim were paved in something else The post What Public Health Initiatives Looked Like in the Middle Ages appeared first on Nautilus .
A perfect couple: Chromium keeps ruthenium grounded in water electrolysis
They say opposites attract, and many couples do fit this pattern. One is pragmatic and down-to-earth, while the other is a dreamer with their head in the clouds. Yet, these differences make them perfect for each other. According to researchers at ICFO, chemical interactions
A newly discovered South African dinosaur was a heavyweight even as a youngster
It probably walked on two legs and weighed about 400 kilograms (880 pounds), despite still being a youngster. Meet Nyana rooiwalensis, a newly identified dinosaur species that lived more than 200 million years ago in what is now South Africa.
Molecular sensor makes invisible traces of mercury easier to see
Mercury contamination presents an obvious challenge: it is invisible. A glass of water or a piece of fruit can seem perfectly normal to the naked eye, even when trace amounts of toxic mercury are present. Detecting such minute levels usually requires specialized laboratory
Fruit fly sleep protein yields peptides that inhibit drug-resistant bacteria in lab tests
Researchers at University of Tsukuba and collaborating institutions have identified short antimicrobial peptides derived from Nemuri, a sleep-inducing protein in the fruit fly Drosophila melanogaster. The research is published in the journal Nature Communications.
The Euclid space telescope captures nearly a billion celestial objects in stunning detail
The enormous trove of galaxies and quasars will help astronomers piece together the most in-depth 3D map of the universe yet made
New genetic atlas reveals traces of 10,000 years of sheep breeding
For around 10,000 years, humans have selectively bred sheep for desirable traits. Generation after generation, we have chosen animals for their wool, size and reproductive characteristics and gradually left our mark on their DNA.
Ancient rocks reveal a dramatic journey from deep inside Earth
Surface rocks can reveal records of regions they occupied millions of years ago, even if those areas were kilometers below ground. On Türkiye's Marmara Sea's southern shores and islands, granitic rocks that are now exposed originated as molten material deep in Earth's crust.
Evolution found another way to build a primate brain
What makes the human brain so much larger and more complex than the brains of many other mammals? Scientists have long sought clues in our DNA. Some discoveries show how genetic changes enable the developing brain to produce more cells. Others help explain how long those cells
Mountain growth spurts may have sparked complex life on Earth
Mountain ranges grew higher throughout Earth's history in two distinct "spurts" that correlated with the flourishing of biological diversity on our planet, according to new research published in the journal Science Advances. The study suggests mountains may have played a key
When Envy is a Virtue
Can this “deadly sin” help cultivate a constructive drive to better ourselves? The post When Envy is a Virtue appeared first on Nautilus .
In National Geographic’s “Expedition: Saving Our Seas,” it’s all hands on deck
The documentary offers a window into scientists’ wonder and joy in their work as they discover new life forms in the depths of the Southern Ocean.
A likely supermassive neutron star might shed light on the mass gap between neutron stars and black holes
A team of astronomers recently identified a red giant star with an unseen binary companion after examining data from the Large Sky Area MultiObject Fiber Spectroscopic Telescope (LAMOST) and the Apache Point Observatory Galactic Evolution Experiment (APOGEE). Although the
Can SpaceX catch its Starship?
The 15th spaceflight of SpaceX’s giant launch vehicle aimed for something unprecedented: snatching both rocket stages from midair after a journey to orbit. So far, it’s proved only partially successful.
Ocean absorbs more fossil fuel carbon while land uptake stalls, 30 years of data show
The ocean has been absorbing carbon dioxide from fossil fuel emissions at an increasing rate since 1990, while the net uptake of carbon by forests, soils and other land ecosystems has not grown, according to a new study led by scientists at UC San Diego's Scripps Institution of
Combining five metals in one oxide improves ethanol gas sensing
A technology that significantly improves ethanol gas sensing performance by combining five different metal elements in a single oxide has been developed.
Water-activated polymer forms solid shapes underwater and bonds glass fragments
Cement hardens when mixed with water, allowing it to form solid structures even in wet environments. This property is known as hydraulicity. Reproducing this property in organic polymers has been challenging, as polymer materials that react with moisture often lack the
Climate could force more than 200 million from homes: U.N. migration chief
Climate change could force more than 200 million people from their homes even as countries spend billions on securing their borders, the head of the U.N.'s migration body said Friday.
Who lives in a sponge under the sea? Tiny Caribbean fish and their microscopic neighbors
Two new studies involving Newcastle University marine scientist Dr. Theresa Rueger have highlighted how the tusked goby's relationship with its host sponge shapes almost every aspect of its life. Rueger, a senior lecturer in tropical marine sciences at Newcastle University's
From stimulation to suppression: How nitrogen addition changes soil respiration over time
Soil respiration (Rs), the efflux of CO₂ from soils to the atmosphere driven by root and microbial activity, is one of the largest terrestrial carbon fluxes and a primary determinant of net carbon sequestration. The important role of nitrogen in driving terrestrial carbon
