A monitoring and testing program has consistently shown amounts of toxic substances in Gulf seafood 100-1,000 times smaller than health concerns. Safety monitoring continues despite lingering concerns among scientists and consumers.
Researchers create ultra-portable electronic devices by connecting molecular components using conductive nanowires. The breakthrough enables cheaper, higher-performance alternatives to conventional silicon-based devices.
Researchers have successfully conducted lab tests on a new vaccine formulation to combat heroin addiction, showing reduced willingness in laboratory rats to self-administer the drug. The vaccine exploits an individual's immune system to blunt heroin's psychoactive effects, offering a potential tool for combating relapse and overdose.
Researchers found that seaweed proteins can reduce blood pressure like ACE inhibitor drugs, and the macroalgae have potential to be used in functional foods. The variety of species and ease of cultivation make them a relatively untapped source of new bioactive compounds.
A new review of scientific knowledge on kava reveals no consensus on its toxicity, with various theories including preparation methods and genetic differences. Pacific Island cultures have safely consumed kava for centuries, but Western countries have reported liver damage and banned or regulated kava products.
The US phase-out of 100-watt bulbs is driving growth for light-emitting diodes (LEDs) which have become ubiquitous in everyday life. LEDs now replace fluorescent lights as backlights in cell phones and laptops, and are poised to become an alternative to incandescents and fluorescents in home lighting.
Scientists have created a new approach for producing large quantities of human-derived gelatin, potentially replacing up to 300,000 tons of animal-based gelatin. The novel method involves inserting human gelatin genes into yeast, allowing for controllable features and scalability for commercial use.
Scientists have developed a tiny fiber-optic biosensor to detect elevated PSA levels in cases of breast cancer. The biosensor's sensitivity and specificity are comparable to those found in current screening methods for breast cancer.
Scientists have developed a new 4-D scanning ultrafast electron microscopy technique that allows researchers to visualize atomic-scale dynamics on metal surfaces. This breakthrough promises wide-ranging applications in materials science and single-particle biological imaging.
Isoscapes, a mapping technique using isotopes as 'fingerprints,' helps track the geographical origins of illicit goods, human remains, and even luxury items like whiskey and cheese. By analyzing isotope ratios in tissue samples and objects, scientists can pinpoint their origins and aid in investigations.
A new rapid test can accurately diagnose bacterial and viral infections, allowing for timely treatment. The test exploits differences in immune system responses to distinguish between the two types of infections.
A study found nearly 99,000 tons of rare earth elements available in products globally, equivalent to over 10 years of production. This suggests that REE recycling may offset a significant part of virgin extraction, minimizing environmental challenges associated with mining and processing.
Researchers have successfully used living human cells to produce natural capsules with channels for releasing drugs and diagnostic agents. This breakthrough enables longer retention of these substances in the body, overcoming previous artificial coating limitations.
Scientists have discovered naturally occurring thiouracil in plant-based animal feed and food. The discovery challenges the assumption that the substance is solely of synthetic origin, sparking debate over its natural occurrence.
Researchers have created a self-powered nano-device that can transmit data wirelessly over long distances using energy harvested from the environment. The device operates battery-free and has potential applications in medical sensors, surveillance cameras, wearable electronics and more.
Nano-sized particles of titanium dioxide create self-cleaning surfaces on buildings, while carbon nanotubes boost reinforced concrete strength. Nanotechnology also helps make concrete more sustainable by recycling fly ash, reducing environmental impact.
Researchers found that poplar bud extract has moderate antioxidant activity and demonstrates anti-aging effects on cells in laboratory tests. The study suggests potential use of poplar bud compounds in cosmetic and nutraceutical formulations for skin care.
Despite scientific evidence linking BPA to human health problems, regulators question the accuracy of study methods. BPA is widely used in consumer goods and food packaging, raising concerns about exposure levels.
Researchers have developed new tissue engineering methods to treat joint damage in osteoarthritis, including implantation of biomaterial scaffolds that guide cell growth and regeneration. The technology has shown promise in promoting cartilage tissue repair and regeneration.
River flooding increases PBDEs in farm soils but not in milk from grazing cows. Milk consumption remains a potential source of human exposure to toxic chemicals.
Researchers discovered a compound that prevents further injury to damaged livers, improving clinical outcomes for patients. The study, published in ACS' journal Molecular Pharmaceutics, offers hope for increasing the number of available livers for organ donation.
A recent literature review analyzed nearly 100 scientific articles on the effects of nanoparticles on edible plants. The study found that nanoparticle uptake and build-up vary depending on plant type, nanoparticle size, and chemical composition, highlighting a need for further research in nanoecotoxicology.
Scientists find that honeysuckle extract improves UV-blocking ability of wool fabrics, providing significant potential as a natural UV-blocking agent for clothing. The extract remains effective after exposure to sunlight and laundering, offering an eco-friendly alternative to traditional sunblocks.
Researchers successfully incorporated Waelz slag into commercial-size bricks using existing equipment, reducing toxic metal leaching. The resulting bricks meet EU quality standards for construction ceramic materials.
Researchers have discovered that proteins in Alzheimer's fibrils can recycle and detach, potentially leading to new therapeutic strategies. The study found that Aβ40 molecules recycle more frequently than Aβ42, suggesting a potential target for modulating recycling and treating the disease.
Researchers developed a mutant form of wheat called 'sweet wheat', which contains more sugars and healthful carbohydrates than regular wheat. The new flour may provide health benefits when used in foods like breads and cakes.
Scientists have detected potentially toxic flame retardants in 80% of baby products containing polyurethane foam. The study reveals compounds associated with pentaBDE, a substance banned in many countries due to health risks, as well as two potential carcinogens.
Researchers develop new method to unreel silk from wild cocoons without damaging strands. The technique allows for long, strong fibers, opening up the silk industry to new regions with wild silkworm populations.
Advances in understanding Fragile X syndrome have led to the possibility of treating this inherited intellectual disability. Several drugs tested in humans show promising results, offering a potential breakthrough in correcting underlying causes.
Three new vaccine formulations show potential in preventing long-term relapse and reducing costs associated with methamphetamine addiction. The formulations produce a good immune response in mice, offering a unique approach to treating the highly addictive substance.
Advances in technology have reduced sequencing gene costs to $1,000, but analyzing genomic data for personalized medicine remains costly. New trends in bioinformatics, such as commercial drug discovery and collaboration, are helping reduce the burden.
A new study found that rice-based liquid smoke has antioxidant and anti-inflammatory properties, which may help fight off diseases. The researchers discovered that it could prevent inflammation without triggering allergic responses.
Scientists created a method to reconstruct cattle dietary history and authenticate beef origins by analyzing muscle tissue and tail hair elements. The technique provides a powerful tool to verify farm practices and label claims on meat products.
New research suggests that caffeine is a rich source of antioxidants in the diet, helping protect against diseases like Alzheimer's and heart disease. The study provides detailed calculations on how caffeine interacts with free radicals, bolstering evidence for its healthful antioxidant effects.
Researchers discover natural compound acetyl resveratrol protects mice from radiation damage, potentially overcoming existing drug's limitations. The substance can be easily produced in large quantities and administered orally.
Cola detectives use protein testing to verify natural ingredients in premium soft drinks, detecting plant proteins in drinks claiming 'organic agave syrup and cola nut extracts'. Coca Cola products, without natural cola extract claims, have no detected protein, giving consumers a certificate of authenticity.
A new polymer-based system for imaging inflammation associated with wear debris shows promise in detecting early stages of bone loss in joint replacement implants. The system can also tether anti-inflammatory drugs to prevent further damage.
Researchers analyzed wild Mexican, Central, and South American blueberries finding two types to be extreme super fruits with significantly more antioxidants than commercial varieties, potentially offering enhanced protection against heart disease and cancer.
The laser printing process is now being used to produce functional products, with applications in industries such as automotive and medical devices. The additive manufacturing market is expected to continue growing, driven by advances in polymer materials and increasing demand for customized products.
Scientists have developed a new imaging agent using tantalum oxide nanoparticles, which stays in the body long enough to image multiple organs. The material is inexpensive and has shown promising results in laboratory tests, potentially overcoming limitations of existing imaging agents.
Researchers identify small molecule blocking key protein involved in cholesterol production, successfully lowering cholesterol levels in isolated nerve cells and brain slices from mice. The discovery could lead to broader applications in other neurological conditions like Alzheimer's disease.
Researchers developed a self-fueled method to generate electricity from oil shale, capturing and storing carbon dioxide underground. This technology could make billions of barrels of previously inaccessible oil shale available as an energy source in a greenhouse world.
Scientists have developed a new 'mixing entropy battery' that generates electricity by alternating freshwater and seawater through the device. The technology has promising potential as an additional renewable energy source, with the ability to also desalinate ocean water for drinking.
Scientists analyzed over 300 studies to identify promising energy storage technologies, including high-tech batteries and redox flow batteries. These innovations aim to integrate and store renewable energy efficiently, enabling the growth of sustainable power grids.
Researchers discovered 56 substances contributing to beer's bitterness and identified five major contributors to harsh aftertaste. Controlling initial pH value and storing at low temperatures can help delay bitter flavors.
The US is expanding its 20-year-old program to secure and destroy Cold War-era nuclear and other weapons of mass destruction in East Africa. The Cooperative Threat Reduction Program aims to counter the threat of bioterrorism in volatile regions where deadly diseases like Ebola and Marburg viruses occur naturally.
A review of vegetarianism's biochemistry suggests that vegans may be at higher risk for blood clots and atherosclerosis due to low levels of essential nutrients. Increasing dietary omega-3 fatty acids and vitamin B12 can help mitigate these risks, particularly through sources like salmon, walnuts, and fortified milk.
Scientists have found that tungsten accumulates in the spleen and bones of laboratory mice, raising concerns about its potential impact on the immune system. Further research is needed to determine the effects of tungsten on human health.
Researchers created a durable coating using polydopamine inspired by mussel adhesive to protect yeast cells from cell-digesting chemicals and slow down division. The coating could have applications in creating tiny chemical probes, single-cell factories, and cancer therapy armor.
Researchers developed a chemical cocktail to convert mouse muscle fibers into cells that form the first stages of regenerating limbs. The methods have implications for regenerative medicine and stem cell biology, potentially speeding wound healing and creating new tissues.