The goal of sustainable chemistry has motivated chemists to use renewable energy in chemical reactions, minimizing hazardous waste, and maximizing atom economy. Nature provides a blueprint with photosynthesis, in which carbohydrates are produced from carbon dioxide and water under sunlight irradiation.

Floods and landslides triggered by heavy downpours in Nepal killed at least 59 people across the Himalayan country, with rescue teams searching for 44 missing, police said Saturday.

A year after a historic treaty to protect the high seas was opened to signatures, it has now received 13 ratifications—leaving it still far from coming into force.

A SpaceX rocket soared into the sky Saturday with two passengers on board, leaving two seats empty to return American astronauts who have been stranded for months on the International Space Station, NASA said.

Small plastic particles are everywhere: in the soil where our food is grown, in the water we drink and in the air we breathe. They got there from the plastic we throw away, which ends up in landfill sites, rivers and seas. There the plastic waste slowly breaks down, releasing tiny particles called microplastics and even tinier nanoplastics into the environment.

Disasters in the small Himalayan nation have become more frequent as the effects of climate change increase.

We put the Benro Mach3 to the test to see how it stands up to the competition.

Using the Gran Telescopio Canarias (GTC), astronomers from Italy and Spain have carried out high-temporal-resolution optical spectroscopic observations of a transitional millisecond pulsar designated PSR J1023+0038. Results of the observational campaign, published September 19 on the pre-print server arXiv, yield essential information regarding the nature of this pulsar.

The Physics of the Accelerating Universe Survey (PAUS), an international collaboration across 14 institutions, has covered a sky area of 50 square degrees, similar to approximately 250 full moons.

Two astronauts — one American, one Russian — will launch on a flight that is set to bring the Boeing Starliner astronauts home next year.

A record wave of wildfires, fueled by severe drought linked to climate change and deforestation, is causing havoc across South America.

From "MooLoos" to painting mountains, these silly scientific suggestions could actually help with climate change.

Residents of Mexico's beachside city of Acapulco were reeling Friday after a hurricane left at least five people dead and neighborhoods underwater in a region still recovering from a devastating storm last October.

At least 44 people died across five US states battered by powerful storm Helene, authorities said Friday, after torrential flooding prompted emergency responders to launch massive rescue operations.

Specialized viewfinders installed across state parks let visitors with red-green colorblindness see more distinct colors.

By all accounts, Milagra the "miracle" California condor shouldn't be alive today.

A comet is expected to risk having its tail clipped on Friday by flying perilously close to the sun, promising fireworks next month should it survive the fraught flypast.

Since the first sighting of the first-discovered and largest asteroid in our solar system was made in 1801 by Giuseppe Piazzi, astronomers and planetary scientists have pondered the make-up of this asteroid/dwarf planet. Its heavily battered and dimpled surface is covered in impact craters. Scientists have long argued that visible craters on the surface meant that Ceres could not be very icy.

University of Maryland scientists uncovered evidence of an ancient seafloor that sank deep into Earth during the age of dinosaurs, challenging existing theories about Earth's interior structure. Located in the East Pacific Rise (a tectonic plate boundary on the floor of the southeastern Pacific Ocean), this previously unstudied patch of seafloor sheds new light on the inner workings of our planet and how its surface has changed over millions of years. The team's findings were published in the journal Science Advances on September 27, 2024.

Sept. 28, 2024: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.

Contrary to public reports last year, the passengers probably had no idea that the vessel was about to implode.

Star explosions called novas are happening twice as often near a gargantuan black hole jet as they are in the rest of the galaxy, and astronomers aren't sure why.

Artificial intelligence’s hunger for energy has set off a boom in utility stocks and may lead to the reopening of the Three Mile Island nuclear plant, our columnist says.

Federal regulators spent billions of dollars to avoid a spike in costs for older Americans that could have been politically damaging to the presidential campaign of Vice President Kamala Harris.

The European Green Deal is a package of political initiatives to ensure that the EU reaches climate neutrality by 2050. Faced with this challenge, the parallel goals of the green and digital transitions are at the center of the European Commission's priorities, but are they compatible with each other?

Asteroid Ryugu possibly did not travel as far from its place of origin to its current near-Earth orbit as previously assumed. New research published in the journal Science Advances suggests that Ryugu was formed near Jupiter.

A research group led by Prof. Wang Xianlong from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences, has successfully synthesized high-energy-density materials cubic gauche nitrogen (cg-N) at atmospheric pressure by treating potassium azide (KN3) using the plasma-enhanced chemical vapor deposition technique (PECVD).

Temperature, rainfall, snow and extreme weather events are all factors linked to climate change that directly affect wildlife. Understanding the impact of these factors on the physiology, population dynamics and distribution of different deer species is important for monitoring and protecting them.

In a study recently published in Engineering, scientists from the University of Science and Technology Beijing, Guangdong Ocean University, and AiMaterials Research LLC have demonstrated a novel method to accelerate the discovery of refractory high-entropy alloys (RHEAs) compositions optimized for extreme conditions.

In a study published in Engineering, researchers from Nanjing University of Aeronautics and Astronautics and Zhejiang University have unveiled a pioneering approach to designing on-chip computational spectrometers, heralding a new era of high-performance and reliable integrated spectrometers. This innovative inverse-design methodology offers a dramatic leap forward in spectrometer technology, addressing longstanding challenges in performance and reproducibility.

An study led by researchers from the Harbin Institute of Technology has unveiled a substantial development in wastewater treatment technology. Published in Engineering, the research introduces an innovative approach to improving denitrification in constructed wetlands (CWs) by utilizing a novel biochar-based substrate, known as β-cyclodextrin-functionalized biochar (BC@β-CD). This breakthrough addresses a critical challenge in wastewater treatment: optimizing nitrogen removal in conditions where traditional methods falter due to low carbon-to-nitrogen (C/N) ratios.

A study published in Engineering has shed new light on the behavior of lunar regolith particles under the influence of an external electric field, a discovery that could revolutionize space exploration and lunar resource utilization. The research, conducted by a collaborative team of scientists from the Qian Xuesen Laboratory of Space Technology, Tsinghua University, and other institutions, focuses on the charging properties and particle dynamics of lunar samples brought back by China's Chang'e-5 mission.

Research shows a threatening development for two endangered primate species in Bangladesh: Phayre's langurs (Trachypithecus phayrei) and capped langurs (Trachypithecus pileatus). In mixed groups of these two species, hybrids have been found and genetically confirmed. If hybridization continues, it could mean the extinction of one or both species.

Extremely thin materials consisting of just a few atomic layers promise applications for electronics and quantum technologies. An international team led by TU Dresden has now made remarkable progress with an experiment conducted at Helmholtz-Zentrum Dresden-Rossendorf (HZDR): The experts were able to induce an extremely fast switching process between electrically neutral and charged luminescent particles in an ultra-thin, effectively two-dimensional material.

Water scarcity, pollution, and the burden of waterborne diseases are urgent issues threatening global health and security. A recently published study in the journal Global Environmental Change highlights the pressing need for innovative economic strategies to bolster water security investments, focusing on the "enabling environment" that influences regional readiness for new business solutions.

In a process as simple as stirring eggs and flour into pancakes, University of Oregon researchers have mixed fluorescent ring-shaped molecules into a novel 3D printing process. The result: intricate glowing structures that support the development of new kinds of biomedical implants.

The forecast at the beach today is cloudy, with a chance of sharks. At least, that's the forecast that researchers at UC Santa Barbara would like to be able to provide. They're leading a project to predict when and where great white sharks show up near a beach.

A detailed study of more than 770 teacher strikes in the United States between 2007 and 2023 found that the strikes benefit teachers and classrooms, and have no measurable impact on students.

New research reveals gambling messages during the opening weekend of this season's football Premier League have almost trebled since last year, putting fans including children at risk.

U.S. Naval Research Laboratory (NRL) Scientific Development Squadron ONE (VXS) 1 takes to the skies to deploy observational buoys in front of Hurricane Helene's projected path on Tuesday, Sept. 24 providing real-time forecasts to the National Oceanographic Partnership Program (NOPP) Hurricane Coastal Impacts (NHCI) team for timely prediction and operational readiness.

Whether it's a football field, a golf course, or a home lawn, a new multi-state study offers recommendations for keeping some varieties of turfgrass greener, longer.

A new study reveals that Generation 2 Starlink satellites are leaking up to 30 times more radio waves than their predecessors. If SpaceX continues to deploy the newer versions as planned, we could reach an "inflection point" where astronomers can no longer properly study the cosmos, researchers warn.

Marine animal forests rich in sea life have been found in the shallow waters around Te Whanganui-a-Tara Wellington.

An international team of researchers described how loops, crucial for the stability of such networks, occur in transport networks found in nature. The researchers observed that when one branch of the network reaches the system's boundary, the interactions between the branches change drastically. Previously repelling branches begin to attract each other, leading to the sudden formation of loops.

Hurricanes and other extreme weather events are expensive in lives and money. From 1980 to 2023, weather and climate disasters caused about $2.6 trillion in damages in the U.S., according to NOAA estimates. In 2022 alone, the U.S. experienced 18 disasters individually costing $1 billion or more. Worse, U.S. hurricanes from 2000 to 2021 took almost 2,000 lives. As climate change continues to intensify these storms, accurate forecasting becomes ever more crucial.

The spatial distribution of ambient aerosol particles plays a huge role in aerosol–radiation–cloud interactions; however, not enough sampling has been done from the atmospheric boundary layer and lower free troposphere. This leaves large gaps in predictions of anthropogenic changes in the atmospheric energy balance.

She swiped right and wants to meet up. Soon, you've both had a few drinks and dim the lights. Suddenly, the mood shifts: She pulls back, puts a hand up, even says no.

Venus is often described as a hellscape. The surface temperature breaches the melting point of lead, and though its atmosphere is dominated by carbon dioxide, it contains enough sulfuric acid to satisfy the comparison with Hades.

Seven people in contact with a patient hospitalized with bird flu also developed symptoms, the C.D.C. reported. Some are undergoing further tests.

Hang Sun's group from Kunming Institute of Botany, Chinese Academy of Sciences has demonstrated the ecological and evolutionary effects of changes in plant reproductive strategies on phylogenetic evolution. The study is published in the journal Science China Life Sciences.

When the stem of a plant is injured, the surrounding cells proliferate to repair and fuse the damaged tissue, eventually restoring function. This self-healing property is utilized in grafting techniques to propagate fruit and vegetable plants.

A study by the University of Barcelona has analyzed the ability of red gorgonians (Paramuricea clavata), a key species for the Mediterranean marine ecosystem, to resist and recover after marine heat waves.

A recent study has unveiled a transformative nonlinear optical metasurface technology. This new technology, characterized by structures smaller than the wavelength of light, paves the way for significant advancements in next-generation communication technologies, including quantum light sources and medical diagnostic devices.

Thousands of genes from deep-sea marine life are being used to create new commercial products ranging from pharmaceuticals to cosmetics. Genes are segments of DNA that provide instructions for making other molecules that are essential for the structure and function of living organisms.

The single-cell green alga Chromochloris zofingiensis is an emerging model organism for photosynthesis and metabolism research. Previous research has shown that with the addition of glucose, Chromochloris zofingiensis shuts off photosynthesis, reroutes its metabolism, and accumulates high amounts of lipids (biofuel precursors) and astaxanthin (a high-value antioxidant).

Northern Elephant seals have staged a remarkable comeback after narrowly escaping extinction by hunting, but new research reveals lasting genetic effects in the present population.

In a discovery that sheds light on the complex mechanisms of gene regulation, scientists at EPFL have uncovered a critical role for the protein ZNF274 in keeping certain gene clusters turned off by anchoring them to the cell nucleolus. The study is published in Science Advances.

Kombucha is a fizzy, tangy drink made by fermenting tea. But brewers are now fermenting other plant-based drinks to explore nutritional properties and flavors. In a study published in ACS Agricultural Science & Technology, researchers compared the biochemistry and flavor of kombucha with brews made from apple and passion fruit juices. They found that the apple beverage contained high levels of bioactive compounds called flavonoids and ranked highly among taste testers, signaling its promise as a kombucha alternative.

Shares of the company, one of the largest chains of for-profit psychiatric hospitals, were down 25 percent at one point.

A novel study from the Center for Britain and Europe (CBE) highlights a significant shift in the political landscape of Europe, revealing that populist radical right (PRR) politics is moving from the fringes to the heart of mainstream political discourse.

A team of researchers with varied backgrounds at the University of Maryland, working with a colleague from Ministère de l'Agriculture, des Pêcheries et de l'Alimentation, in Canada, reports the viability of burying biomass as an inexpensive way to store climate-warming carbon.

A recent study challenges previous assumptions about the connection between CO₂ in the atmosphere and temperatures in the tropics. Between 1959 and 2011, the CO₂ content in the atmosphere responded twice as strongly to temperatures in the tropics than before.

Lab experiments around the globe that are gearing up to recreate the mysterious phase of matter found in the early universe could also produce the world's strongest electromagnetic fields, according to a theoretical analysis by a RIKEN physicist and two colleagues. This unanticipated bonus could enable physicists to investigate entirely new phenomena.

The heated 2024 U.S. presidential election is frequently characterized as a choice between democracy and dictatorship, or democracy and autocracy, especially with the publication of Project 2025, the extreme, far-right playbook supposedly written for a Donald Trump or other Republican administration.

Researchers from the Department of Physics of the University of Jyväskylä (Finland) have found new information about the strength of the so-called magic neutron number 50 shell closure in the silver isotope chain.

In May 2024, a geomagnetic storm hit Earth, sending auroras across the planet's skies in a once-in-a-generation light display. These dazzling sights are possible because of the interaction of coronal mass ejections—explosions of plasma and magnetic field from the sun—with Earth's magnetic field, which protects us from the radiation the sun spits out during turbulent storms.

A key scientific NOAA resource on extreme precipitation that is widely used by floodplain managers, city planners, civil engineers, developers and communities across the nation will soon include climate trend data.

The Department of Energy (DOE) has given the green light for construction to begin on a high-energy upgrade that will further boost the performance of the Linac Coherent Light Source (LCLS), the world's most powerful X-ray free-electron laser (XFEL) at the DOE's SLAC National Accelerator Laboratory.

Endangered Hawaiian monk seals and other marine life have benefitted from 25 years of large-scale marine debris removal in the Northwestern Hawaiian Islands (NWHI), according to the cover story in the current issue of Science.

Maintaining soil health is crucial for sustainable agriculture. Recently, soil volatile organic compounds (VOCs) have emerged as promising indicators for assessing soil health. A new study aimed to evaluate the effectiveness of soil VOC profiles as indicators of soil health in soybean fields.

Mosquitoes tread a thinning line in warming climates, where aging accelerates and infections intensify. New research shows that warming and aging act as a one-two punch, lowering mosquito lifespans and fanning the flames of bacterial infections. These findings highlight how climate change could alter the risks of disease spread by mosquitoes.

A newly published study by researchers at the University of Massachusetts Amherst estimates that it can cost small and mid-sized food producers tens of thousands of dollars to meet new food safety standards that prescribe proactive measures to ensure the safety of the U.S. food supply. The research is the first to assign an estimated dollar amount to compliance.

Deep space exploration might no longer be confined to sci-fi after scientists began testing a rocket thruster which promises to boldly go further than ever before.

A research group led by University of Tsukuba has observed the cooperative behavior of polaron quasiparticles formed by the collective interaction of electrons and lattice vibrations around color centers in diamond crystals.

A study appearing in Behavioral Ecology shows that in male wall lizards, certain behaviors have a greater influence on the way they resolve territorial disputes than their size and coloration.

Within teams, organizations, markets and online communities, ideas from a larger group can help to solve complex problems. Large language models (LLMs) are emerging as powerful tools to unlock even greater potential. Picture an online forum where thousands of voices contribute to a solution, and an LLM synthesizes these diverse insights into a cohesive, actionable plan.

Forests play a crucial role in the global water cycle. However, only a few studies have investigated post-damage radiative forcing of evapotranspiration and its underlying processes in forests.

Over six missions to the moon, from 1969 to 1972, Apollo astronauts collected more than 800 pounds of lunar rock and soil. Chemical and isotopic analysis of that material showed that it was similar to the rock and soil on Earth: calcium-rich, basaltic and dating to about 60 million years after the solar system formed.

Hurricane Helene knocked out power for millions of customers across the southeast United States on Friday and left at least four dead after it slammed into the Florida coast.

Lithium-ion batteries have long dominated the market as the go-to power source for electric vehicles. They are also increasingly being considered for storage of renewable energy to be used on the electric grid. However, with the rapid expansion of this market, supply shortages of lithium are projected within the next five to 10 years.

A new PeerJ study has revealed that sloths, the famously slow-moving creatures of Central and South America, may face existential threats due to climate change. The research, conducted by scientists studying the metabolic response of sloths to rising temperatures, suggests that the energy limitations of these animals could make survival untenable by the end of the century, particularly for high-altitude populations.

Chemists from the National University of Singapore (NUS) have developed an iron-catalyzed method that overcomes a significant challenge in the sustainable synthesis of trisubstituted Z-alkenes by inserting two alkyl chemical groups into a type of compound called allenes. The findings were published in the journal Nature Synthesis.

While working under Erika Rader, an assistant professor in the Department of Earth and Spatial Sciences at University of Idaho, a postdoctoral researcher identified a volcanic vent on Mars as a potential spatter cone and compared it to a spatter cone formed during the 2021 eruption of Fagradalsfjall in Iceland.

Quantum squeezing is a concept in quantum physics where the uncertainty in one aspect of a system is reduced while the uncertainty in another related aspect is increased.

Earth's climate has experienced major shifts over its billions of years of history, including numerous periods where ice proliferated across the planet. Today, ice cores can be a valuable resource for understanding these periods of Earth's history as they capture a snapshot of the climate at that time, both through geochemical constituents and entrained dust and debris preserved through millennia.

Scientists at Sanford Burnham Prebys have developed a clearer picture of how crucial machinery in the human cell's recycling process for obsolete and misshapen proteins—known as proteasomes—are formed.

Testing during the 2021 Tajogaite eruption on La Palma demonstrated the value of near-real-time petrological analyses as a supplement to seismic and geochemical data for eruption monitoring.

Una colaboración para traducir los artículos de Eos al español está generando aumentos significativos en la involucración de las comunidades latinoamericanas y otros que hablan español.

A collaboration to translate Eos articles into Spanish is yielding significant increases in engagement among Latin American and other Spanish-speaking communities.

Researchers at the University of Hawaiʻi at Mānoa have unveiled a new technique that could make the manufacture of wearable health sensors more accessible and affordable.

Each week, we showcase a different astonishing artifact that gives us new insight into how our ancestors lived.

Every year, record-seeking surfers and spectators descend on the small Portuguese town of Nazaré for the "big wave" season, when water can surge up to 100 feet (30 meters) tall.

Earth will capture a miniature, "second moon" this week, according to NASA scientists.

Cassandra Dean and Alexis Dean are fourth-year students with much in common. They are fraternal twins who enrolled at Northeastern University together.

The Tijuana River should not be flowing this time of year. But throughout the dry season, it has—delivering millions of gallons a day of an unnatural mix of water, neon green sewage and industrial waste from Tijuana through the city of Imperial Beach to the Pacific Ocean.