Greenland has a long and checkered history of human settlement: several Paleo-Inuit cultures since approximately 2,500 BCE, descendants of Vikings between the 10th and 15th centuries, and early modern Danes since 1721. All left their traces on the landscape, for example in the
It is becoming increasingly urgent to study the effects of climate change on the global ocean system. Future projections indicate significant changes in the Mediterranean and Atlantic circulation systems, which could have unpredictable climatic consequences, especially for one
The body size, morphology and associated behavioral traits of flower-visiting insects strongly influence the quantity of pollen they transport. Thus, pollinators with similar appearances are often assumed to exert similar ecological effects on plants. However, pollinators'
Indian millets are a staple for the country's population of more than a billion. They are also gaining global popularity, with rising exports and a reputation as a climate-resilient crop. Now, new research shows that their nutritional value includes a rich diversity of lipids,
While the world's most advanced climate models successfully reproduce heat waves once they are underway, they consistently miss key atmospheric processes that trigger these events, potentially limiting the ability to anticipate extreme heat several days in advance.
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.
Diabetes and dementia appear to be closely intertwined, with each condition potentially influencing the other. Problems with insulin and glucose can affect the brain’s energy supply, increase inflammation, and damage blood vessels linked to memory loss. Researchers are also
Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other solar systems, even if that was not their original intention. Five robotic explorers—Pioneer 10 and 11, Voyager 1 and 2, and New Horizons—are all on
Researchers have calculated light levels at the ground surface across Switzerland to within 10 meters, in both open and forested areas. The model even simulates the shadows cast by individual trees.
An international research team, which included University of Tartu visiting doctoral student Wen-Gang Zhang and Professor of Botany Meelis Pärtel, has found a new solution to one of ecology's long-standing controversies—Darwin's naturalization conundrum, which addresses the
An RMIT University innovation uses ultrasound to extract leaf protein from discarded cauliflower leaves, identifying a potential new use for vegetable scraps. The process could help food manufacturers turn vegetable waste into protein ingredients, reducing waste and adding
Plants must carefully strike a balance between harvesting sunlight to fuel photosynthesis and protecting themselves from light damage. Part of this balancing act is performed by antenna proteins that are bound to light-harvesting molecules inside plant chloroplasts. Mostly
NASA's "rapid-response" space telescope is slowly falling out of orbit, but a daring mission this summer could allow the Neil Gehrels Swift Observatory to continue scanning the sky for many more years to come. In the first mission of its kind, a spacecraft will launch from
Our food and our bodies are full of tiny protein fragments called peptides. These small chains of amino acids act as biological messengers, influencing processes ranging from sensory perception to physiological functions.
Marine heat waves (MHWs) are events characterized by prolonged warm coastal and ocean conditions with wide-ranging impacts on ecosystem health and associated industries. While research on MHWs has historically relied on surface-water data from satellite observations and buoy
Using artificial intelligence, scammers can duplicate someone's voice with just seconds of audio, says the University of Cincinnati's Kimberly Hyun. Impostor scams are one of the most common forms of fraud, according to the Federal Trade Commission.
A study carried out by scientists from Ifremer, IRD, the universities of Western Brittany (UBO) and Bordeaux, CNRS, and the University of Tartu (Estonia) reveals the impact of nickel mining on the coastal ecosystems of New Caledonia. Published in the journal Communications
Researchers using two of humanity's most powerful observatories—NASA's James Webb and Hubble Space Telescopes—have definitively shown that Terzan 5 is not a globular star cluster, as it was once classified, offering new insight into how galaxies like our own form and evolve
Scientists who study plant physiology and evolution have a new tool in their toolkit: a machine learning algorithm that can scan digital plant specimen collections and quickly measure leaf size and thickness.
There's nothing like this in nature, Jonathan Wendel said as he showed a visitor in his Bessey Hall office the long white puffs billowing from a cotton boll—the protective flower capsule of the plant cultivated by humans for thousands of years. In the wild, cotton bolls are far
California's iconic Santa Cruz Mountains are an outdoor recreation wonderland. With a world-class network of hiking, mountain biking and equestrian trails, they draw millions of visitors each year from neighboring Santa Cruz, Santa Clara, San Francisco and San Mateo counties.
Cleveland Clinic researchers are unlocking quantum computing's full potential through the creation of a new computing paradigm inspired by the human brain. Fabio Cumbo, Ph.D., research associate in the lab of Daniel Blankenberg, Ph.D., associate staff, Computational Life
With artificial intelligence tools available on every phone, laptop and tablet, higher education has struggled to implement consistent recommendations for how and when AI can be used. A new national guide seeks to change that.
A new in-depth analysis casts doubt on the popular supplements The post If You’re Counting on Calcium and Vitamin D Supplements to Prevent Fractures, Think Again appeared first on Nautilus .
Amorphous materials such as glass are solids whose internal structure lacks a repeating pattern. Their molecules are arranged in a random and irregular way. Surprisingly, these disordered materials can "remember" past mechanical experiences; that is, the way they respond to a
For humans, death is surrounded by culture, emotion, ritual and language. But the question can be framed in a much more basic way: What would an animal have to understand in order to recognize that someone has died?
How do political ideology and perceived ideological alignment influence supply chain professionals' evaluation of operational decisions involving politically charged macroeconomic issues such as tariffs?
An interdisciplinary team of Rice University researchers has uncovered previously unknown relationships between bacteriophages—viruses that infect bacteria—and their bacterial hosts, offering a powerful new tool for next-generation microbiome engineering.
Astronauts aboard the International Space Station have switched on NASA's newly upgraded Cold Atom Lab, a one-of-a-kind facility designed to improve how scientists explore the fundamental workings of matter and develop new quantum technologies. By leveraging the unique
A research team has developed an artificial intelligence (AI) system that proposes suitable molecular structures from the raw data of spectroscopic measurements and assesses their plausibility. The system is openly accessible and has been published in the journal Nature
The Trump administration is mulling new rules that would give political appointees final say on research grants
Neural interfaces are devices that can detect or modulate neuronal activity when placed in contact with the brain. They are already used to treat various conditions related to the nervous system. However, current technologies still have limitations that can reduce their
A Concordia-led team of researchers has developed a new artificial intelligence-based method of detecting toxic online content that is faster and more accurate than existing tools. The system is designed to ensure social media platforms can reliably prevent user-generated
The sail-backed predator Dimetrodon is one of the most iconic animals of the early Permian—long before dinosaurs dominated Earth. Most known species of this early relative of mammals reached large body sizes, sometimes up to 3 meters (10 feet) in length and 250 kilograms (550
Only a handful of vaquitas exist in the wild, but now one is preserved in unprecedented digital detail The post Saving a Tiny Endangered Porpoise One Pixel at a Time appeared first on Nautilus .
In an effort to open the door to new and useful products, chemistry researchers are on the continual lookout for processes that unlock important molecules and the bonds that can put them together. Such is the case for UC Santa Barbara chemistry professor Yang Yang, who builds
The Ramsar Convention is the world's longest-standing international treaty for wetland and waterbird protection. Signed in Ramsar, Iran, in 1971, the Convention on Wetlands of International Importance Especially as Waterfowl Habitat has to date been signed by 172 countries,
Have you ever been out at night and seen a streak of light blast across the sky and disappear? Ever wonder where that shooting star came from, or how it got to be in your sky?
A paper on new research into the cause of death of Simonetta Vespucci, model for the world-renowned Birth of Venus by Sandro Botticelli, has been published by researchers at Queen Mary University of London, Universita Campus Bio-Medico di Roma and the University of California
Female chickadees living in monogamous mating systems will proactively seek out males that have better cognitive skills than their nest mate, according to new findings.
Paywalls are essential to the financial sustainability of news organizations, yet little is known about how readers respond when they encounter one. Do they subscribe, continue reading free content, look for ways around the paywall or leave the site altogether?
Life on Earth has evolved under an uninterrupted rhythm of day and night. While light provides the energy that powers countless molecular processes, periods of darkness often allow biological systems to reorganize, recover and transform that energy into functional outcomes.
Many quantum effects can be observed only when a small number of particles is studied—individual atoms, molecules or photons, for example, carefully shielded from the rest of the world. But what about macroscopic objects, consisting of an unimaginably large number of particles?
A new study published in the journal Nature Conservation reveals that threatened amphibian species are being inadvertently or illegally sold under incorrect names in digital marketplaces. Using DNA barcoding, researchers discovered that frogs traded online as a widely farmed
The Soviet Union beat the United States to the punch by 20 years The post This Cosmonaut Was the First Woman in Space appeared first on Nautilus .
A Yale-led team of astronomers has found a third galaxy devoid of dark matter—located alongside the other two in a formation that has never been seen before. Astronomers have followed a faint, cosmic trail of gas to a third galaxy that has no dark matter.
Hot and dry conditions have become synonymous with the risk of extreme wildfires. But a new paper argues that such conditions are not, by themselves, sufficient for blazes, and most warm years do not result in the burning of exceptionally large areas.
When living cells grow, divide or respond to drugs, they give off tiny amounts of heat that offer information about what the cells are doing. But because these heat signals are so vanishingly small, they have traditionally been impossible to measure directly. Researchers in the
Experimental atomic physicists have discovered there is a maximum amount of electrical resistance, or resistivity, that can result from collisions between electrons.
Certain substances can become magnetic when exposed to an external magnetic field. Magnetic susceptibility measures how easily a material can be magnetized. Materials known as organic radicals have been noted to possess anomalously large magnetic susceptibility. However,
