A paper published in Biology Methods and Protocols, finds that it is now possible to distinguish wild from farmed salmon using deep learning, potentially greatly improving strategies for environmental protection. The paper is titled "Identifying escaped farmed salmon from fish
Approximately 400,000 years ago, some areas of Greenland that are now covered by a thick layer of ice were exposed to fresh air and sunlight. Today, the Greenland Ice Sheet covers most of the land mass, but the southwestern coastline is ice-free. Back then, the northwest was too.
When Cop30 convened in Belém, deep inside the Amazon, the world's attention turned once again to negotiations, emissions pledges and political maneuvering. The global stage was set against one of Earth's most biodiverse landscapes and some of its most vulnerable communities,
Researchers working in Norway's Barents Sea say a simple modification to snow crab pots could sharply reduce the number of undersized animals accidentally caught in the Arctic fishery.
A new study from the University of Eastern Finland gives prisoners in Finland a voice in the current sustainability transformation debate, showing that their perceptions of sustainable development vary greatly, ranging from individual everyday actions to global environmental
Scientists working with the James Webb Space Telescope discovered three unusual astronomical objects in early 2025, which may be examples of dark stars. The concept of dark stars has existed for some time and could alter scientists' understanding of how ordinary stars form.
New research into white dwarfs could help us measure our universe The post Scientists Gaze Into the Heart of a Cosmic Vampire appeared first on Nautilus .
Canada has a marine coastline twice as long as any other country and shares four Great Lakes with the United States. A new report warns that without coordinated planning, coastal communities face increasing flooding and erosion as climate change accelerates.
Seeing a person huddled under a makeshift roof of tarps or curled up on a warm grate can evoke powerful emotions and questions.
There are few forms of the botanical world as readily identifiable as fern leaves. These often large, lacy fronds lend themselves nicely to watercolor paintings and tricep tattoos alike. Thoreau said it best: "Nature made ferns for pure leaves, to show what she could do in that
A team of astronomers from the International Center for Radio Astronomy Research (ICRAR) has released new data from an extensive galaxy evolution survey that found a galaxy's "neighborhood" plays a major role in how it changes over time. The data were published in Monthly
When polar ice sheets melt, the effects ripple across the world. The melting ice raises average global sea level, alters ocean currents and affects temperatures in places far from the poles.
“If this is correct, to the extent of my knowledge, it would mark the first time humanity has ‘seen’ dark matter.” The post Was Dark Matter Just Detected for the First Time? appeared first on Nautilus .
Despite decades of progress, the gender pay gap remains a persistent feature of the UK labor market. According to women's rights charity the Fawcett Society, November 22 marked Equal Pay Day 2025—the day when women effectively stop getting paid due to the wage gap with men.
The next global volcanic disaster is more likely to come from volcanoes that appear dormant and are barely monitored than from the likes of famous volcanoes such as Etna in Sicily or Yellowstone in the US.
Across state legislatures and in Congress, debates are intensifying about the value of funding certain college degree programs—and higher education, more broadly.
Unexplained gamma ray radiation coming from the edge of the Milky Way galaxy could be produced by self-annihilating dark matter particles – but the idea requires further investigation
School violence is a global public health phenomenon. This is when learners and teachers are the victims of physical and psychological abuse, cyber threats and bullying, fights, gangsterism, and the use of weapons at school.
In the early 1930s, Swiss astronomer Fritz Zwicky observed galaxies in space moving faster than their mass should allow, prompting him to infer the presence of some invisible scaffolding—dark matter—holding the galaxies together. Nearly 100 years later, NASA's Fermi Gamma-ray
Fossils from a 3-ton shark unearthed in northern Australia suggests these creatures grew into massive, fearsome predators earlier than previously thought The post This Huge Ocean Beast Shifts Sharks’ Evolutionary Timeline appeared first on Nautilus .
In a re-evaluation of Hockett's foundational features that have long dominated linguistic theory—concepts like "arbitrariness," "duality of patterning," and "displacement"—an international team of linguists and cognitive scientists shows that modern science demands a radical
In recent years, right-wing populist parties have experienced significant political success across nearly all Western democracies. With their increasing political establishment, xenophobic attitudes have become normalized. While previous studies have primarily examined the
US media and politicians often celebrate beautiful stories of immigrants arriving in America, finding a new home, and thriving in the land of opportunity.
University of Houston researchers developed a new X-ray imaging method capable of revealing hidden features in a single shot, a breakthrough that could advance cancer detection, disease monitoring, security screening and material analysis.
Researchers used the MIRI instrument onboard the James Webb Space Telescope (JWST) to identify the presence of ultraviolet radiation in five young stars in the Ophiuchus region, and to understand its role in the formation of stars. The discovery of UV radiation around these
Machine learning models called convolutional neural networks (CNNs) power technologies like image recognition and language translation. A quantum counterpart—known as a quantum convolutional neural network (QCNN)—could process information more efficiently by using quantum
Researchers from the Helmholtz Zentrum Berlin (HZB) and the Fritz Haber Institute of the Max Planck Society (FHI) have uncovered how carbonate molecules affect the conversion of CO2 into valuable fuels on gold electrocatalysts. Their findings reveal key molecular mechanisms in
Iron-nitrogen-carbon catalysts have the potential to replace the more expensive platinum catalysts currently used in fuel cells. This is shown by a study conducted by researchers from the Helmholtz-Zentrum Berlin (HZB), Physikalisch-Technische Bundesanstalt (PTB) and
Our neural command centers evolve through predictable major turning points from birth to death The post The Five Eras of the Human Brain appeared first on Nautilus .
A collaboration between the groups of Professor Mónica H. Pérez-Temprano at the Institute of Chemical Research of Catalonia (ICIQ) and Professor Anat Milo at Ben-Gurion University of the Negev has uncovered how the characteristics of specific substrates require certain reaction
Skipping meals before a big holiday feast probably isn’t the best idea for gut health, experts say. Here’s how to prevent overeating on an empty stomach—and tips for if you do
Perovskites—a class of compounds with a unique ABX3 structure and high temperature stability—are promising materials for energy conversion.
The laws of thermodynamics don't accurately account for the complex processes in living cells – do we need a new one to accurately measure the ways living systems are out of equilibrium?
At the UN climate conference Cop30 in Belém, Brazil, I asked some young climate activists and negotiators about their hopes, expectations and demands. Despite their positivity and the push for action from climate movements, Indigenous people and civil society, a lack of
Calorie labels on menus are meant to help people make healthier choices when eating out. However, calorie information only influences people who are already actively trying to lose weight, according to a new study from the University of Surrey. For everyone else, the labels
Globalization, migration, climate change and war—nation states are currently under huge pressure on many fronts. Understanding the forces that initially drove the emergence of states across the world may help explain why.
A new report from social mobility charity the Sutton Trust shows that children from poorer families are more likely to have special educational needs. It also shows that children from wealthier families who have some kind of special educational need are more likely to get
Canadians are paying more for food than ever. Canada's Food Price Report 2025 estimates that a family of four will spend up to $801 more on food this year, with overall prices expected to rise 3% to 5%.
Chemists at the National University of Singapore (NUS) have developed a methodology to enable coupling reactions for the growth of crystalline porous covalent organic frameworks, unlocking a new class of semiconducting magnets. The work is published in the journal Nature
Ammonia fuels agriculture, supports industry, and is increasingly viewed as a key player in future clean-energy systems. Yet producing it is heat and pressure intensive. A research team has developed an electrocatalyst that helps turn nitrate—a common pollutant found in
The quantum world is famously weird—a single particle can be in two places at once, its properties are undefined until they are measured, and the very act of measuring a quantum system changes everything. But according to new research published in Physical Review Letters, the
A new federal initiative aims to accelerate scientific discovery by uniting artificial intelligence with large federal datasets
By classifying small-scale fisheries into five broad types, a Stanford-led study helps clarify a diverse sector essential to global nutrition and local economies.
The Qinling-Bashan Mountains (QBMs) serve as an important boundary between southern and northern China and are dubbed China's Central Water Tower (CCWT). However, the spatiotemporal structures and dynamics of the summer hydroclimate, as well as the water vapor sources and
Literature from western India describe diverse savanna landscapes, defying the dogma that these ecosystems resulted from relatively recent deforestation The post Ancient Folklore Upends Dangerous Savanna Myths appeared first on Nautilus .
Early childhood educators and staff nurture and teach children under the age of 5. At its best, this type of early care sets kids up for long-term success.
It's popular advice for new graduates: "Find a job you love, and you'll never work a day in your life." Love for one's work, Americans are often told, is the surest route to success.
A new study marks a significant step forward in positioning synthetic polymers as an alternative to expensive, unsustainable minerals used in the manufacture of devices such as conductors, transistors and diodes.
Scientists have discovered a method of helping human stem cells thrive in an animal embryo—a key development in efforts to grow human organs in animals for medical transplants.
High levels of atmospheric carbon dioxide intensify climate change, but high carbon dioxide levels can also stimulate plant growth. Plant growth removes carbon dioxide from the atmosphere, partially mitigating the effects of climate change. However, plants only grow faster in
