Ancient Jokes Etched in Clay
These millennia-old punchlines aren’t exactly gut-busters today The post Ancient Jokes Etched in Clay appeared first on Nautilus .
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When German Shepherds Got Their Cursed Genes
DNA from museum specimens help detail the genetic bottleneck The post When German Shepherds Got Their Cursed Genes appeared first on Nautilus .
The Devastating Disease Neglected for Decades
Despite high-tech new therapies, people with sickle cell anemia still encounter stigma today The post The Devastating Disease Neglected for Decades appeared first on Nautilus .
Puzzling slow radio pulses are coming from space. A new study could finally explain them
Cosmic radio pulses repeating every few minutes or hours, known as long-period transients, have puzzled astronomers since their discovery in 2022. Our new study, published in Nature Astronomy today, might finally add some clarity.
How a broken DNA repair tool accelerates aging
Although DNA is tightly packed and protected within the cell nucleus, it is constantly threatened by damage from normal metabolic processes or external stressors such as radiation or chemical substances. To counteract this, cells rely on an elaborate network of repair
Study finds renewing city service taxes boosts commercial redevelopment in Ohio
It's common to wonder as tax season ramps up: Are taxes too high? According to a new study by University of Cincinnati economics professor David Brasington, the answer is no, at least when it comes to Ohio's city service taxes. These taxes go toward local services such as funds
Recreating the Smells of History
Using chemistry, archival records and AI, scientists are reviving the aromas of old libraries, mummies and battlefields The post Recreating the Smells of History appeared first on Nautilus .
Scientists teach microorganisms to build molecules with light
Researchers are continually looking for new ways to hack the cellular machinery of microbes like yeast and bacteria to make products that are useful for humans and society. In a new proof-of-concept study, a team from the Carl R. Woese Institute for Genomic Biology showed they
Record-breaking photons at telecom wavelengths—on demand
A team of researchers from the University of Stuttgart and the Julius-Maximilians-Universität Würzburg led by Prof. Stefanie Barz (University of Stuttgart) has demonstrated a source of single photons that combines on-demand operation with record-high photon quality in the
Lab study suggests longer waves fracture floating ice sheets at lower stress
When waves are moving across ice-covered seas, they can cause sheets of ice to bend and ultimately break. Understanding the processes underlying these wave-induced ice fractures and predicting when they will occur could help to better forecast how climate change will impact the
Sex Changes the Brains of Male Mice
“What surprised us here was the clarity of the signal” The post Sex Changes the Brains of Male Mice appeared first on Nautilus .
The pros and cons of pesticides and fertilizers in real-world mandarin orange farms
Researchers led by Yasunori Ichihashi at the RIKEN Center for Sustainable Resource Science (CSRS) in Japan recently examined how different kinds of pesticides and fertilizers affect mandarin oranges across Japan. Their study, published in Plant Biotechnology, involving advanced
NASA delays the first Artemis moonshot with astronauts because of extreme cold at the launch site
NASA has delayed astronauts' upcoming trip to the moon because of near-freezing temperatures expected at the launch site.
Liquid-repellent particle coating enables near-frictionless motion of pico- to nanoliter droplets
The precise control of tiny droplets on surfaces is essential for advanced manufacturing, pharmaceuticals, and next‐generation lab‐on‐a‐chip diagnostics. However, once droplet volume reaches pico- and nanoliter scales, the droplets become extremely sensitive to microscopic
Quantum mechanical effects help overcome a fundamental limitation of optical microscopy
Researchers from Regensburg and Birmingham have overcome a fundamental limitation of optical microscopy. With the help of quantum mechanical effects, they succeeded for the first time in performing optical measurements with atomic resolution. Their work is published in the
Immunoglobulin G's overlooked hinge turns out to be a structural control hub
The lower hinge of immunoglobulin G (IgG), an overlooked part of the antibody, acts as a structural and functional control hub, according to a study by researchers at Science Tokyo. Deleting a single amino acid in this region transforms a full-length antibody into a stable
Metallic markers make direct measurement of protein activity possible
Cells operate on rules not vibes, including when on the precipice of persisting or perishing. Yet, with prior research methods, scientists studying this phenomenon had to infer how cells choose to sustain themselves or self-destruct based on the output of their protein
A Greek star catalog from the dawn of astronomy, revealed
Researchers are using X-rays to discover invisible markings left on ancient parchment containing information from the Greek astronomer Hipparchus.
3D covalent organic framework offers sustainable solution for wastewater treatment
Industrial dye pollution remains one of the most persistent and hazardous challenges in global wastewater management. The dyes from textile and chemical manufacturing sectors are difficult to remove, non-biodegradable, and can be toxic to plants, animals, and humans. However,
Beamline measurements of unstable ruthenium nuclei confirm advanced nuclear models
A novel apparatus at the U.S. Department of Energy's (DOE) Argonne National Laboratory has made extremely precise measurements of unstable ruthenium nuclei. The measurements are a significant milestone in nuclear physics because they closely match predictions made by
Shining a light on sustainable sulfur-rich polymers that stay recyclable
For the first time, scientists have used ultraviolet (UV) light, a low-cost and readily available energy source, to successfully synthesize more sustainable and recyclable polymer materials. Led by green chemistry experts at Flinders University, the development is a major step
Beyond the eye of the beholder: Mathematically defining attributes essential to color perception
Research on the perception of color differences is helping resolve a century-old understanding of color developed by Erwin Schrödinger. Los Alamos scientist Roxana Bujack led a team that used geometry to mathematically define the perception of color as it relates to hue,
Snakes on trains: King cobras are 'hopping railways' to unsuitable habitats in India
King cobras are the world's longest venomous snakes. So, imagine seeing one a few feet away as you embark on a train in India. The Western Ghats King Cobra (Ophiophagus kaalinga)—a vulnerable king cobra species found in India's Western Ghats—has reportedly been caught aboard
Can we genetically improve humans using George Church’s famous list?
Columnist Michael Le Page delves into a catalogue of hundreds of potentially beneficial gene mutations and variants that is popular with transhumanists
Why are Tatooine planets rare? General relativity explains why binary star systems rarely host planets
Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth.
Spider spinneret evolution: How a genome duplication event 438 million years ago set the stage
Scientists have uncovered a 400-million-year-old genetic secret that gave spiders the ability to produce silk and weave their webs. Spiders didn't begin their journey on Earth in the same way as they are known today. Arthropods such as our eight-legged weaver owe much of their
Tropical peatlands are a major source of greenhouse gas emissions, research reveals
Using a new method to track groundwater levels and greenhouse gas emissions, researchers uncover the climate impact of Southeast Asia's peatlands. In Indonesia, Malaysia, and other parts of Southeast Asia, vast areas spanning up to 300,000 square kilometers have emerged over
Late bedtimes are linked to higher heart disease risk
People who naturally stay up late may be putting their hearts under added strain as they age. A large study tracking more than 300,000 adults found that middle-aged and older night owls had poorer overall heart health and a higher risk of heart attack and stroke than those who
A study hints positive thinking could strengthen vaccine immunity
Thinking positive increased a specific brain region's activity and might have heightened immune response after a shot.
Exploration of exoplanets: A mathematical solution for investigating their atmospheres
Dr. Leonardos Gkouvelis, researcher at LMU's University Observatory Munich and member of the ORIGINS Excellence Cluster, has solved a fundamental mathematical problem that had obstructed the interpretation of exoplanet atmospheres for decades. In a paper published in The
The early turning point when men’s heart risk accelerates
Men start developing heart disease earlier than women, with risks rising faster beginning around age 35, according to long-term research. The difference is driven mainly by coronary heart disease, not stroke or heart failure. Traditional risk factors explain only part of the
Breakthrough sepsis drug shows promise in human trial
A new drug developed by Australian researchers has shown promising results in reducing sepsis in a Phase II clinical trial involving 180 patients. The carbohydrate-based treatment works by calming a dangerous immune reaction that can cause organ failure. With no specific
Once Thought To Support Neurons, Astrocytes Turn Out To Be in Charge
New experiments reveal how astrocytes tune neuronal activity to modulate our mental and emotional states. The results suggest that neuron-only brain models, such as connectomes, leave out a crucial layer of regulation. The post Once Thought To Support Neurons, Astrocytes Turn
Kissing the sun: Unraveling mysteries of the solar wind
Using data collected by NASA's Parker Solar Probe during its closest approach to the sun, a University of Arizona-led research team has measured the dynamics and ever-changing "shell" of hot gas from where the solar wind originates.
Gray wolves are hunting sea otters and no one knows how
On a remote Alaskan island, gray wolves are rewriting the rulebook by hunting sea otters — a behavior few scientists ever expected to see. Researchers are now uncovering how these coastal wolves adapted to marine hunting, what it means for land–sea ecosystems, and whether this
Meerkat sunning calls may act as 'vocal grooming' for social bonding
As the sun rises over the Kalahari Desert, meerkat groups emerge from their burrows and gather closely, turning their bodies toward the warmth of the early light. These quiet morning moments are more than a way to warm up; they offer a revealing glimpse into the social lives of
For predatory dinosaurs, the Late Jurassic was an all-you-can-eat sauropod buffet
Some 150 million years ago, sauropods dramatically shaped the dinosaur ecosystem in what is now the western U.S., according to a new study
A bomb cyclone and extreme cold will freeze the eastern U.S.—again
In the latest bout of winter weather, a bomb cyclone could bring blizzard conditions to the Carolinas while freezing temperatures reach all the way to Florida
Overcoming the solubility crisis: A solvent-free method to enhance drug bioavailability
A large share of medicines developed today may never reach patients for a surprisingly simple reason: they cannot dissolve well enough in water. For most treatments, the oral route remains the gold standard because it is convenient and familiar. However, for a pill to work, its
Why people can have Alzheimer's-related brain damage but no symptoms
Some people don’t develop dementia despite showing signs of Alzheimer’s disease in their brain, and we're starting to understand why
Random driving on a 78-qubit processor reveals controllable prethermal plateau
Time-dependent driving has become a powerful tool for creating novel nonequilibrium phases such as discrete time crystals and Floquet topological phases, which do not exist in static systems. Breaking continuous time-translation symmetry typically leads to the outcome that
Elon Musk is making a big bet on his future vision – will it work?
Reports suggest that Elon Musk is eyeing up a merger involving SpaceX, Tesla and xAI, but what does he hope to achieve by consolidating his business empire?
Webb reveals five-galaxy merger just 800 million years after the Big Bang
Astronomers at Texas A&M University have discovered a rare, tightly packed collision of galaxies in the early universe, suggesting that galaxies were interacting and shaping their surroundings far earlier than scientists had predicted. Using observations from the James Webb
The devastation of island land snails: Pacific leads global wave of extinctions, researchers find
A comprehensive new review paper reveals the staggering loss of biodiversity among island land snails globally. Lead author Robert Cowie of the University of Hawai'i at Mānoa's School of Ocean and Earth Science and Technology (SOEST) and co-authors note that "devastation" is
Bromacker regurgitalite reveals what an early land predator spit up 290 million years ago
New research conducted by paleontologists from the Museum für Naturkunde Berlin, Humboldt-Universität zu Berlin and the CNRS (France) documents the earliest occurrence of a fossilized regurgitation produced by a strictly terrestrial predator from the early Permian Bromacker
Canadian humpback whales thrive with a little help from their friends
Humpback whales are teaching each other a feeding technique called bubble netting, and it's helping a Canadian population recover from whaling.
One of Earth's most abundant organisms is surprisingly fragile
A group of ocean bacteria long considered perfectly adapted to life in nutrient-poor waters may be more vulnerable to environmental change than scientists realized. The bacteria, known as SAR11, dominate surface seawater worldwide and can make up as much as 40% of marine
Corals' boldest cousins: Zoantharians bend the laws of evolution
In the realm of marine biogeography, there is a widely held scientific principle: the Atlantic and Indo-Pacific oceans are worlds apart. If you dive in Brazil and then in Okinawa, you expect to see entirely different groups of fish and coral. But according to a new global study
When both partners work from home: The hidden cost of always-on technology
When partners work from home, constant digital interruptions increase after-work frustration, strain couples' relationships, and place a heavier psychological burden on women, UNSW research has found.
How design of public housing can lift future prospects of children
Public housing high-rises, common in the late 20th century, often siloed residents from surrounding communities. "You had these big towers that were in the middle of large courtyards, spaced far away from other residents," said Matthew Staiger, a research scientist with
