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Warmer water temperatures, combined with low-level exposure to chemicals already known to be harmful to aquatic life, influence the expression of genes in the offspring of an abundant North American fish species -- and threaten organisms whose sex determination is sensitive to water temperature.

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A new study is the first to directly examine cells from patients whose depression doesn't respond to selective serotonin reuptake inhibitors (SSRIs).

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Known for its role in relieving depression, the neurochemical serotonin may also help the brain execute instantaneous, appropriate behaviors in emergency situations, according to a new study.

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Climate change is bad news for coral reefs around the world, with high ocean temperatures causing widespread bleaching events that weaken and kill corals. However, new research has found that corals with a solitary streak -- preferring to live alone instead of in reef communities -- could fare better than their group-dwelling relatives.

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A recent study looked into what variables are most important in predicting the number of cold-stunning and stranding events among juvenile Kemp's ridley sea turtles in Cape Cod Bay.

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Signaling through interleukin-10 (IL-10) receptors on gut immune cells plays a critical role in protecting the gut lining and microbiota from disruption caused by whipworms, according to a new study.

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Scientists have uncovered molecules released by invasive skin cancer that reprogram healthy immune cells to help the cancer to spread.

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In a new study, researchers shed new light on the origin and function of hormone producing cells in the intestine and open new avenues to tweak gut hormone production to treat human disease.

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Visualizing how some patients successfully fought off deadly coronaviruses could pave the way to combat these respiratory infections, new research suggests.

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Researchers studying p53, the heralded cancer-fighting 'guardian of the genome,' found that the human protein also plays a role in promoting tumors, in addition to suppressing them. They found that the PUMA protein works inside the cell's mitochondria to switch energy production processes and stimulate cancer growth.

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Membraneless protocells allow RNAs to participate in fundamental chemical reactions, providing clues to early steps in origin of life on Earth.

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Rising temperatures could make some species sterile and see them succumb to the effects of climate change earlier than currently thought, scientists warn.

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Obesity -- as research in the past decade has shown -- is first and foremost a brain disease. Researchers have discovered a molecular switch that controls the function of satiety neurons and therefore body weight.

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Animal care experts and veterinarians evaluate the balance between animal welfare and conservation needs for a number of rare species of native birds being raised in San Diego Zoo Global breeding centers in Hawaii. The paper shares the challenges and complexity of situations where the needs of an individual and the needs of a species are weighed, and how that balance is achieved.

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Researchers revealed that the immune cells basophils caused emphysema in mice with COPD-like features induced by intranasal administration of elastase. They showed that basophils, previously linked mainly to allergies and fighting parasites, initiated a cascade of reactions eventually leading to the release of excess MMP-12 and the destruction of alveolar walls. The team hopes that the findings will lead to breakthroughs in the treatment of COPD.

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In a context of overuse of insecticides, which leads to the selection of resistant mosquitoes, it is already known that this resistance to insecticides affects interactions between mosquitoes and the pathogens they transmit. Researchers demonstrate that mechanisms of insecticide resistance, observed in Culex quinquefasciatus vector, impact the transmission of West Nile virus.

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Exercise training alters brain blood flow and improves cognitive performance in older adults, though not in the way you might think. A new study showed that exercise was associated with improved brain function in a group of adults diagnosed with mild cognitive impairment (MCI) and a decrease in the blood flow in key brain regions.

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Rapeseed doesn't just contain oil but high-quality protein, too. However, protein extracts from rapeseed have an intense, bitter off-taste. Researchers have now identified the substance that is pivotal for the bitter taste. This is a first step towards developing rapeseed for the human protein supply.

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Offshore oil platforms have an immense presence, physically, financially and environmentally. Some 6,000 rigs pump petroleum and natural gas worldwide. But as they extract hydrocarbons from deep beneath the sea, these structures undergo a transformation invisible from above the waves. The ocean claims the platforms' enormous substructures and converts them into vertical reefs, home to millions of individual plants and animals.

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Melanoma is the deadliest form of skin cancer and notorious for its resistance to conventional chemotherapy. Approximately 25 percent of melanoma is driven by oncogenic mutations in the NRAS gene, making it a very attractive therapeutic target. However, despite decades of research, no effective therapies targeting NRAS have been forthcoming.

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Neuroscientists studying how the body's immune system breaks down damaged peripheral nerves. Their latest research changes our understanding of neuropathic pain and how to treat it.

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Aspirin is not only an important drug but also an interesting physics model system in which molecular vibrations and electrons are coupled in a particular way. For the first time, X-ray experiments in the ultrashort time domain make electron motions visible in real time. They demonstrate that very small atomic displacements shift electrons over much larger distances within the aspirin molecules.

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Researchers conducted a years-long study that not only confirmed the intuition that light-colored mice survive better in light-colored habitats, and vice versa for dark-colored mice, but also allowed researchers to pinpoint a mutation related to survival, specifically that affects pigmentation, and understand exactly how the mutation produced a novel coat color.

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Astronomers using the NASA/ESA Hubble Space Telescope to study some of the oldest and faintest stars in the globular cluster NGC 6752 have made an unexpected finding. They discovered a dwarf galaxy in our cosmic backyard, only 30 million light-years away.

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If you think traffic in city centers is bad now, just wait until self-driving cars emerge on the scene, cruising around to avoid paying hefty downtown parking fees.

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A new electron microscopy technique that detects the subtle changes in the weight of proteins at the nanoscale -- while keeping the sample intact -- could open a new pathway for deeper, more comprehensive studies of the basic building blocks of life. Scientists described the first use of an electron microscope to directly identify isotopes in amino acids at the nanoscale without damaging the samples.

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Scientists have produced a series of protocols for quantum sensors that could allow images to be obtained by means of the nuclear magnetic resonance of single biomolecules using a minimal amount of radiation.

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A strategy inspired by the process responsible for muscle growth could lead to the development of stronger, longer-lasting materials.

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An international study reveals the Atlantic meridional overturning circulation, which helps regulate Earth's climate, is highly variable and primarily driven by the conversion of warm, salty, shallow waters into colder, fresher, deep waters moving south through the Irminger and Iceland basins. This upends prevailing ideas and may help scientists better predict Arctic ice melt and future changes in the ocean's ability to mitigate climate change by storing excess atmospheric carbon.

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A clever use of non-science engineering data from NASA's Mars rover Curiosity has let a team of researchers to measure the density of rock layers in Gale Crater.

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A new 3D printer uses light to transform gooey liquids into complex solid objects in only a matter of minutes. The printer can create objects that are smoother, more flexible and more complex than what is possible with traditional 3D-printers. It can also encase an already existing object with new materials, which current printers struggle to do.

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New research shows that electrically charged crinkles in layered graphene can be useful in the directed self- assembly of molecules.

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The first moments of life unfold with incredible precision. Now, using mathematical tools and the help of fruit flies, researchers have uncovered new findings about the mechanisms behind this precision.

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Humans spend nearly one-third of their lives in slumber, yet sleep is still one of biology's most enduring mysteries. Little is known about what genetic or molecular forces drive the need to sleep -- until now. In a study of over 12,000 lines of fruit flies, researchers have found a single gene, called nemuri, that increases the need for sleep.

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New research shows zebra finches engage in socially guided vocal learning, where they learn their songs by watching their mothers' reactions to their immature songs.

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New evidence from the cliffsides of Australia suggests that Earth's largest extinction event -- a volcanic cataclysm occurring roughly 252 million years ago -- extinguished plant life long before many animal counterparts.

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Researchers showed that we can acquire the vocabulary of a new language during distinct phases of slow-wave sleep and that the sleep-learned vocabulary could be retrieved unconsciously following waking. Memory formation appeared to be mediated by the same brain structures that also mediate wake vocabulary learning.

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Scientists have developed a process that removes CO2 from coal-burning power plant emissions in a way that is similar to how soda lime works in scuba diving rebreathers. Their research offers an alternative but simpler strategy for carbon capture and requires 24 percent less energy than industrial benchmark solutions.

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In a single sneeze or a cough, as many as 40,000 tiny droplets are forcibly propelled from our mouth and nose into the air. While we cannot control our sneezing, researchers have recently developed an original method to collect micro-droplets, such as these 'precious' human dewdrops, which may shed light on applications in detecting disease-causing bacteria and preventing the spread of disease.

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From the cab driver heading for Times Square to the commuter returning home on the freeway, we all carry maps in our head labeled with important locations. And a new study in mice shows that, by directing the delicate ebb-and-flow of brain activity, a small cluster of cells helps the brain's internal GPS remember which places matter most.

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The increased deposition of connective tissue is a problem in chronic diseases of many organs such as the lungs (idiopathic pulmonary fibrosis), liver (cirrhosis), kidneys (kidney fibrosis), gut (graft versus host disease), and the skin (systemic sclerosis). Up to 40 percent of all deaths in industrial nations are caused by the deposition of connective tissue with subsequent tissue scarring. In spite of this, there are currently very few effective treatments available.

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Scientists have evaluated the economic efficiency of hydrogen production systems combining photovoltaic power generation and rechargeable batteries and estimated technology levels necessary for the systems to produce hydrogen at a globally competitive cost. The results obtained in this research may provide vital guidelines for pushing the intermittent renewable power generation systems as a main power source of the country.

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Machine-learning approach could help robots assemble cellphones and other small parts in a manufacturing line.

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A new soy-based, non-toxic adhesive could be used in organic food packaging and some speciality food items.

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A new survey finds that while most Americans (88 percent) understand that there is a connection between a healthy heart and a healthy weight, most aren't doing enough -- or anything -- to combat their own weight issues. The survey found 65 percent are worried about getting heart disease due to extra pounds, yet less than half (43 percent) of Americans have tried to make dietary changes to lose weight.

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A new study suggests that the membrane of salmon eggs may evolve to cope with reduced oxygen levels in rivers, thereby helping their embryos to incubate successfully.

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Researchers have discovered a protective mechanism which is used by the body to protect intestinal stem cells from turning cancerous. The body's innate immune system was found to play a pivotal role in this regard. The researchers were able to demonstrate that, rather than having a purely defensive role, the immune system is crucial in maintaining a healthy body.

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The giant pandas we know and love today live only in the understory of particular mountains in southwestern China, where they subsist on bamboo alone. But according to new evidence, extinct and ancient panda species most likely had a more varied and complex diet.

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Research uncovers previously unknown effects of fasting, including notably increased metabolic activity and possible anti-aging effects.

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New research by the Threatened Species Recovery Hub has identified the top 100 Australian plant species at risk of extinction. Three quarters of Australia's threatened species are plants.

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A male mouse identifies the sex of an unfamiliar mouse because of hard-wired brain physiology, not previous experience, investigators have found.

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Cells in our bodies have the ability to speak with one another much like humans do. This communication allows organs in our bodies to work synchronously, which in turn, enables us to perform the remarkable range of tasks we meet on a daily basis. One of this mean of communication is 'tunneling nanotubes' or TNTs. Researchers have discovered that the structure of these nanotubes challenged the very concept of cell.

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Exposure to air pollution, particularly at school, could be associated with a higher risk of overweight and obesity during childhood.

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The first report from a phase II, multi-center clinical trial indicates that a newer, more aggressive form of radiation therapy -- stereotactic radiation -- can extend long-term survival for some patients with stage-IV cancers while maintaining their quality of life.

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Fear in the wake of violent conflicts causes people to take fewer risks, which may come at the expense of bettering their lives and the economy. Researchers looked at longitudinal survey data taken before and after the onset of the Mexican war on drugs and found a causal link between the fear of violence and its impact on the risk-taking attitudes of individuals living in affected communities.

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Life on earth is complex and diverse. In the course of evolution, more and more new species have emerged that are adapted to constantly changing environments. Using modern genetic analyses, researchers can now fully decipher the genetic information of organisms in order to better understand their evolutionary histories and adaptations.

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A look at the brains of an endangered spiny rat off the coast of Japan could illuminate the subtle genetic influences that stimulate a mammal's cells to develop as male versus female in the absence of a Y chromosome.

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No more than 10 curious non-professionals with a passion for nature is all it takes to find a new species of minute beetle in the tropical leaf litter, shows a recent expedition to the Ulu Temburong forest in Borneo.

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Hospitalizations for cardiovascular disease rose precipitously in Orleans and Jefferson parishes after Hurricane Katrina. The increase in rates lasted for more than one month after landfall and rates were higher among the older black population, compared to the older white population.

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A team of researchers has discovered that the conservation of milky storks, an endangered wading bird native to Southeast Asia, is threatened due to crossbreeding with their more widespread cousins, the painted storks. The team's findings can contribute to the design of effective solutions for conservation management of the globally endangered species.

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Researchers have discovered 27 new molecules. These molecules all activate a special protein called PPAR-delta and have the potential to treat fatty liver disease, obesity, diabetic nephrotoxicity, and to heal wounds.

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Two researchers have developed an algorithm for numerical calculation of EM noise (interference) in electric circuits. This algorithm is for computer simulation of electric circuits in which transmission lines are connected with lumped element models.

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Aging can cause damage to support cells in the white matter, which in turn may lead to damage in the grey matter of the hippocampus, finds a new study.

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The heavy bombardment of terrestrial planets by asteroids from space has contributed to the formation of the early evolved crust on Earth that later gave rise to continents - home to human civilization.

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A team scientists has discovered important clues to what goes wrong in the brains of people with autism -- a developmental disorder with no cure and for which scientists have no deep understanding of what causes it.

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Vaccinating laboratory mice with Streptococcus mitis bacteria prevents their virulent sibling, Streptococcus pneumoniae from infecting the mice. The research suggests that vaccination of humans with live S. mitis might offer protection from some of the many serotypes of S. pneumoniae that vaccines currently do not exist for. This pathogen is one of the most common causes of severe pneumonia, and can also cause meningitis, bloodstream and sinus infections, endocarditis, and middle ear infections in young children.

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High volumes of exercise are safe, even when coronary calcium levels are high, new research suggests.

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Females find same-sex social interactions to be more rewarding than males, and females are more sensitive to the rewarding actions of oxytocin than males, according to a new research on the brain mechanisms that determine the rewarding properties of social interactions.

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Scientists widely accept the existence of quarks, the elusive fundamental particles that make up protons and neutrons. But information about their properties is still lacking.

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Tattoos are increasingly popular. Every eighth person in Germany has already felt the sting of getting a tattoo. Yet, if tattooed people are to be examined with magnetic resonance imaging (MRI), the question often arises of how risky the procedure is for them. The first prospective study with statistically verifiable numbers has now been presented by a research team.

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A study reveals details of a way the dangerous brain tumors called glioblastomas resist the effects of antiangiogenic drugs designed to cut off their blood supply, identifying what may be a new treatment target.

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Evolution is a rich and dynamic process. Species respond to pressures in a variety of ways, most of which reduce to finding food, avoiding becoming someone else's food and attracting a mate. To solve that last one the animal kingdom is replete with fantastic, bizarre and mesmerizing adaptions. The bioluminescent courtship displays of ostracods may encapsulate all three.

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Obstructive sleep apnea (OSA) is estimated to affect over 936 million people worldwide, and people with OSA are known to suffer memory problems and depression. New research builds on the known links between depression and memory, finding that people with untreated OSA have problems recalling specific details about their lives.

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Researchers have developed a compact laser that emits light with extreme spectral purity that doesn't change in response to environmental conditions. The new potentially portable laser could benefit a host of scientific applications, improve clocks for global positioning (GPS) systems, advance the detection of gravitational waves in space and be useful for quantum computing.

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Researchers have demonstrated that people with the highest genetic propensity are over two and a half times as likely to be treated in a psychiatric hospital for depression compared to people with the lowest propensity. This knowledge could be utilized to strengthen preventative efforts for those who are at risk.

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An analysis of satellite data has revealed global patterns of extreme rainfall, which could lead to better forecasts and more accurate climate models.

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Microplastics have been found in the guts of every marine mammal examined in a new study of animals washed up on Britain's shores.

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Endangered species of hammerhead and dogfish are among the sharks being sold as food in the UK, researchers have revealed.

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Engineers have created a robot that learns what it is, with zero prior knowledge of physics, geometry, or motor dynamics. Initially the robot has no clue what its shape is. After a brief period of 'babbling,' and within about a day of intensive computing, the robot creates a self-simulation, which it can then use to contemplate and adapt to different situations, handling new tasks as well as detecting and repairing damage in its body.

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A great mystery around a unique fish species -- the Australian lungfish -- has been solved.

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An international team of researchers has identified a gene responsible for the onset of pigmentary glaucoma, which may lead to new therapies for the condition. It is the first time a cause of the disease has been identified.

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A new breed of algorithms has mastered Atari video games 10 times faster than state-of-the-art AI, with a breakthrough approach to problem solving.

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Scientists have announced the findings on novel nano-encapsulation technology for optimizing the maternal and fetal absorption of docosahexaenoic acid (DHA). The research aimed to address the delivery and absorption issues of DHA that affect its potency and efficacy.

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With a growing global population will come increased energy consumption, and sustainable forms of energy sources such as solar fuels and solar electricity will be in even greater demand. And as these forms of power proliferate, the focus will shift to improved efficiency.

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By mathematically modeling the movements of a locomotive that toppled from the tracks north of San Francisco during the city's infamous 1906 earthquake, researchers have calculated a lower limit on the earthquake ground motion at the spot of the tipped train.

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The cold-sensitivity of Miscanthus, a perennial biomass crop, has limited its adoption in northern climes, but new research shows a way forward for would-be Miscanthus growers in cold regions.

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A lineage of young neuroscientists from diverse backgrounds trace their scientific roots to a 'fear lab' in Puerto Rico that the National Institutes of Health has been supporting for two decades. A crucible for studies of fear extinction, the lab has so far published 80 papers -- some the first ever from Puerto Rico for certain journals. Of 130 trainees to date, 90 percent are from Puerto Rico and Latin America and half are women.

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A new technique to study tissue samples in 3D has revealed that pancreatic cancers can start and grow in two distinct ways, solving a decades-old mystery of how tumors form. The new method could help researchers to get more information from tissue biopsies and may lead to improved treatments for pancreatic cancers.

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For the first time, researchers have catalogued every pollinator protection policy enacted by state governments from 2000-2017. The resulting database of information allows everyone from legislators to the general public to study how state lawmakers have addressed the pollinator health crisis over time.

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Scientists have developed a new assay to accurately and easily count the cells that comprise the HIV reservoir, the stubborn obstacle to an HIV cure. This advance will enable researchers who are trying to eliminate the HIV reservoir to clearly understand whether their strategies are working.

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With a lower risk of serious complications and improved feeding and growth outcomes, human milk is strongly preferred as the best diet for infants with congenital heart disease (CHD), according to a new research.

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A team of researchers recently discovered that most people overlook artificial intelligence despite flawless advice. AI-like systems will be an integral part of the Army's strategy over the next five years, so system designers will need to start getting a bit more creative in order to appeal to users.

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Researchers have found that an RNA-binding protein called Lin28 is crucial for pathological hypertrophy, an enlargement of the heart associated with diverse cardiac diseases.

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Experimenting with mice, researchers report that a low-calorie diet prevented asthma symptoms regardless of the diet's fat and sugar content. The researchers also say they found that obesity resulting from a high-calorie diet led to asthma symptoms in the animals by causing lung inflammation, and a drug that blocks inflammation eased those symptoms.

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Researchers have created a new concept of thermoelectric material. It is a device composed of cellulose, produced in situ in the laboratory by bacteria, with small amounts of a conductive nanomaterial, carbon nanotubes, using a sustainable and environmentally friendly strategy.

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In a new study, researchers describe how, in a novel mouse model, epigenetic regulation negatively impacts a downstream gene specifically involved in neurodevelopment and associated behaviors.

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Ocean warming and an infectious wasting disease has devastated populations of large sunflower sea stars once abundant along the West Coast of North America in just a few years, according to new research.

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Researchers have identified a possible mechanism of human cognition that underlies autism spectrum disorders, or ASD. They found there was brain overconnectivity in the unimodal-subcortical connections and brain underconnectivity in the supramodal-subcortical connections for ASD individuals, as compared to the typically developing control group, suggesting a relationship between connectivity and the expression of ASD.

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Regular aerobic exercise such as walking, cycling or climbing stairs may improve thinking skills not only in older people but in young people as well, according to a new study. The study also found that the positive effect of exercise on thinking skills may increase as people age.

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Exposure to nature, even through a brief gardening activity, can improve well-being among women in prison, a new study finds.

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Longitudinal data from adolescents and young adults show no evidence that social media use predicts later depressive symptoms. However, the findings do show that relatively higher depressive symptoms predicted later social media use among adolescent girls.

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Ancient cremated human remains, despite being deformed, still retain sexually diagnostic physical features, according to a new study. The authors provide a statistical approach for identifying traits that distinguish male and female remains within a population.

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While millions of dollars are spent every day on digital advertising, no research has found these ads actually work -- until now.

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A new approach holds potential to slash research and development costs for designer materials and technologies of the future.

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One of the most successful plastics is polyethylene terephthalate (PET), the material we use to make bottles and fibers for clothing. However, PET is made from petroleum-based building blocks. An alternative to PET can be made from bio-based furan molecules, but to polymerize these furans you need toxic catalysts and high temperatures. Now, polymer chemists have described an enzyme-based polymerization method.

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Adding functional imaging to structural imaging of patients with ventricular tachycardia (VT) has the potential to improve current VT ablation strategies, according to new research.

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Scientists are a step closer to understanding what controls fine particulate matter in the Earth's atmosphere after identifying new linkages between natural contaminants and with humanmade pollutants.

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Coprolites, or fossil droppings, of the dinosaur-like archosaur Smok wawelski contain lots of chewed-up bone fragments. This led researchers to conclude that this top predator was exploiting bones for salt and marrow, a behavior often linked to mammals but seldom to archosaurs.

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Scientists have identified the earliest evidence of some of the first known humans -- Denisovans and Neanderthals, in southern Siberia.

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Engineers have now developed an algorithm that lets AUVs weigh the risks and potential rewards of exploring an unknown region. For instance, if a vehicle tasked with identifying underwater oil seeps approached a steep, rocky trench, the algorithm could assess the reward level (the probability that an oil seep exists near this trench), and the risk level (the probability of colliding with an obstacle), if it were to take a path through the trench.

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Researchers show how PFAS industrial chemicals, which are used in many consumer products, pass through the placenta throughout pregnancy to accumulate in fetal tissue. Further research is now needed to ascertain the effect that highly persistent PFAS chemicals have on the fetus.

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Many non-vegan vegetarians and omnivores are open to including insects in their diet. For vegans, however, that is not an option, a new study shows. Researchers examined consumers' intentions to consume foods of insect origin among vegans, non-vegan vegetarians and omnivores. They examined the attitude, subjective norm, perceived behavioral control and food neophobia toward the consumption of foods of insect origin, as well as the conditions for eating insect-based foods among these dietary groups.

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Water molecules distort the electrical resistance of graphene, but a team of researchers has discovered that when this two-dimensional material is integrated with the metal of a circuit, contact resistance is not impaired by humidity. This finding will help to develop new sensors -- the interface between circuits and the real world -- with a significant cost reduction.

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A network of very fine blood vessels that connects bone marrow directly with the blood supply of the periosteum that was previously overlooked has now been discovered.

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Rembrandt van Rijn's paintings are renowned for their masterful representations of light and shadow and a characteristic plasticity generated by a technique called impasto. Now, scientists have analyzed impasto layers in some of Rembrandt's paintings, and the study reveals that the impasto unexpectedly contains a very rare lead mineral called plumbonacrite. This finding suggests that Rembrandt used a unique paint recipe.

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Scientists have provided the first experimental evidence for fractal light from simple lasers and add a new prediction, that the fractal light should exist in 3D and not just 2D as previously thought.

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Researchers have demonstrated that whether an object (in our example, the ball) shows quantum features depends on the reference frame. The physical laws, however, are still independent of it.

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Researchers report the synthesis of a closed molecular cage with areas that can be opened. The opening is achieved through chemical reactions that break the molecular units acting as closures.

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Scientists have found that a drug derived from omega-3 fatty acids can reduce osteoarthritis inflammation that's been caused by a high-fat diet.

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Researchers thought they might have finally uncovered evidence of new physics, which could be a sign of dark matter particles, but a recent improvement of the measurement by the CMS collaboration produced results that are nearly consistent with the expectations of the standard model.

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A much debated ancient human skull from Mongolia has been dated and genetically analyzed, showing that it is the earliest modern human yet found in the region, according to new research.

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Researchers have discovered how specific cells in the guts of mice slow down metabolism and eventually contribute to obesity, diabetes, hypertension and atherosclerosis. The findings, scientists say, could have important implications for the prevention and treatment of these kinds of metabolic diseases in humans.

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Scientists have used two brain imaging techniques to study autism. They found a correlation between brain activity, amino acid byproduct concentrations, and severity of autism diagnosis.

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Extremely high blood pressure that leads to strokes, heart attacks and acute kidney damage, classified as hypertensive emergency, is five times higher in inner-city African-American patients than the national average, according to a recent study.

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Olives are staples of the Mediterranean diet, which has been linked to a reduced incidence of cardiovascular disease, Alzheimer's disease and other conditions. However, freshly picked olives are very bitter and require curing or processing to make them palatable, using lots of water and, sometimes, harsh chemicals. Now, researchers have found a more environmentally friendly way to remove bitter phenolic compounds from olives.

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A new study questions the reliability of how sea-level rise in low-lying coastal areas such as southern Louisiana is measured and suggests that the current method underestimates the severity of the problem.

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For decades, women have shouldered most of the burden of contraception. However, long-term use of female birth control pills could increase the risk for side-effects such as blood clots or breast cancer. Now, inspired by colorful layered cocktails, researchers have developed a medium-term, reversible male contraceptive.

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Scientists have used a Nobel-prize winning Chemistry technique on a mixture of metals to potentially reduce the cost of fuel cells used in electric cars and reduce harmful emissions from conventional vehicles. The researchers have translated a biological technique to reveal atomic scale chemistry in metal nanoparticles. These materials are one of the most effective catalysts for energy converting systems such as fuel cells.

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Structural colors, like those found in some butterflies' wings, birds' feathers and beetles' backs, resist fading because they don't absorb light like dyes and pigments. However, the iridescence that enhances their beauty in nature is not always desirable for some applications, such as paints, color displays or printer inks. Now, researchers have developed a new method to produce structural colors that don't change with the angle of viewing.

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