Researchers found that a popular modern variety of wheat does not impair gastrointestinal health in mice compared to heirloom wheat. Heirloom wheat slightly reduced levels of the pro-inflammatory cytokine interleukin-17 and improved gut barrier function, suggesting that modern wheat varieties may be healthier for healthy individuals.
Researchers have designed artificial sweetener derivatives that inhibit two tumor-associated enzymes, showing improved activity against cancer cells. These compounds selectively bind to enzymes CA IX and XII, making them potential anti-cancer drugs.
Researchers have developed a self-healing sweat sensor that can withstand vigorous exercise and quickly repair itself if damaged. The device, in the form of a headband, accurately tracks electrolyte concentrations in sweat, providing valuable insights into a person's health.
A large desalination plant in Sydney, Australia, has been found to attract certain species of fish, increasing their abundance at the discharge site. The researchers suggest that turbulence caused by high-pressure release of salty solution may be responsible for this effect.
A new study reveals that polar bears at sea, particularly pelagic bears, accumulate more pollutants due to their diet rich in marine life closer to pollutant sources. This is attributed to increased energy requirements and longer periods without ice, forcing them to feed on land-based prey or rely on fat reserves.
Researchers developed a cold-stable spray gel containing heparin and ibuprofen to treat frostbite injuries, showing improved healing rates compared to conventional treatments. The treatment reduced inflammation and accelerated healing, potentially preventing gangrene and amputation.
Researchers discovered a single female pangolin has higher levels of chitinase, an enzyme breaking down insect protein, than other animals. This suggests pangolins have specialized dietary needs and require specific foods when raised in captivity.
Researchers have engineered lager yeast to produce more molecules that protect beer against staling, resulting in improved flavor stability. The modified strains produced 26.3-47.3% less acetaldehyde and increased levels of sulfur dioxide, a natural antioxidant.
Atmospheric chemists are cataloging compounds in indoor air, which can react with others to form new molecules. Indoor emissions come from various sources, including stoves, cleaning products, and people's breath, skin, and personal care products.
A new study found that a permitted neonicotinoid insecticide can effectively control pests while improving bumblebee foraging and food stores. This suggests certain neonicotinoids may be beneficial to bees, but the researchers caution against considering them as a homogeneous group.
Researchers have developed a new manufacturing process that could enable ultra-efficient atomic computers storing more data and consuming 100 times less power. The technique, known as hydrogen lithography, allows for faster fabrication of atomic-scale computers.
Researchers estimated Bitcoin mining's electricity consumption and carbon emissions in 2018, finding a lower impact than previously thought. The study showed that the majority of environmental harm comes from the use of mining equipment, with location being a significant factor.
Researchers have developed a portable, inexpensive, and easy-to-use microlens that simultaneously acquires 3D space and polarization information. This allows for the creation of 4D images with improved depth resolution, potentially enabling applications in medical imaging, communications, displays, and remote sensing.
Researchers found that high levels of DDT in Indian immigrants' blood correlated with obesity, liver fat accumulation, and insulin resistance. The study suggests that prior exposure to persistent organic pollutants may contribute to the higher diabetes risk among Asian Indians.
Researchers have made the tiniest radio-frequency antennas reported yet, with thicknesses of about 1/100 of a human hair. The new antennas were created using extremely thin sheets of a 2D material and performed well in receiving and transmitting radio waves.
A new type of self-cleaning concrete has been developed by researchers, which repels dust particles and liquids, including milk and coffee. The material also boasts soundproofing and heat-insulating properties, making it an attractive option for building materials.
A recent study found that exposure to air pollutants from power plants varies significantly by race, income, and geography in the US. The researchers estimated that in 2014, approximately 16,700 premature deaths were caused by power plant emissions, with African Americans facing the highest mortality rates.
At low concentrations, carbon monoxide has a beneficial effect by interacting with signaling proteins, suppressing inflammation and protecting tissues from oxidative stress. Researchers are exploring safe and effective delivery methods to harness its therapeutic potential for diseases such as sepsis and cancer.
Scientists have detected 15 different photoinitiators in human breast milk, with benzophenone being the most prevalent. The researchers estimate that breastfeeding infants ingest high amounts of these compounds, but predict a low health risk due to levels below safe thresholds.
Researchers have developed a new material that combines semiconducting properties with intrinsic stretchability and full degradability. The material can be stretched to twice its normal length without compromising electrical performance and degrades completely within 10 days in a weak acid.
Researchers developed an electronic nose that can non-destructively detect odors emitted by books of different paper compositions and ages. The device distinguished between paper from cotton, linen, or wood, as well as identified acidic and yellowing papers.
A new study reveals that hydropower's climate impact is not as environmentally friendly as thought, with some facilities emitting more greenhouse gases than fossil fuels. However, in the long-term, hydropower has a smaller climate benefit compared to methane emissions.
The American Chemical Society has identified 10 emerging start-ups revolutionizing the field of chemistry, from pharmaceuticals to green chemistry processes. These companies are addressing global issues such as microcontaminant removal, sustainable materials, and climate change.
Researchers use electrochemistry to synthesize difficult-to-make compounds and reduce waste and toxic byproducts compared to traditional chemical reagents. The ElectraSyn 2.0 module has enabled chemists to access the technology without electronics expertise, but scaling up production remains a challenge.
Researchers have discovered that PFASs from ski wax accumulate in soil, earthworms, and bank voles at a Nordic skiing area, indicating potential toxicity. The compounds were found to biomagnify in the food chain, with higher levels detected in top predators.
Researchers analyzed data to determine the feasibility of using nature-based solutions to combat air pollution. The study found that NBS can support native wildlife and are adaptable, cost-effective, and a truly green solution in reducing pollution and climate change.
Researchers analyzed capsaicinoid and capsinoid content in three chili peppers as they ripened. Capsaicoids accumulated earlier and at higher levels than capsaicinoids in some types of peppers, with potential implications for breeding studies and development of functional foods.
Researchers have developed a stretchable light-emitting device that operates at low voltages and is safe for human skin. The device can be used in smart wearables, soft robotics, and human-machine interfaces.
Researchers have created tiny, self-propelled robots that can remove radioactive uranium from wastewater. The microrobots use a rod-shaped material called ZIF-8 and propel themselves using hydrogen peroxide fuel, successfully removing 96% of the uranium in an hour.
Lithium-air batteries offer a maximum specific energy of 3,460 W h/kg, but scientists need to overcome obstacles such as unstable electrolytes and interference from air pollutants. The technology uses oxygen to oxidize a lithium-metal anode and could be powered by a plane's onboard air storage and filtration systems.
Mordanñage is a 19th-century photographic process that creates dramatic black-and-white images with veiling effects. Researchers have determined the chemical details behind the process, revealing how hydrogen peroxide and acetic acid soften the photographic paper, allowing copper to oxidize and form veils.
Scientists develop theoretical structures of the sweet receptor, revealing how proteins work together to signal 'sweet' flavors. The research could lead to improved nutrition and drug development.
Researchers have developed a catalyst to upcycle polyethylene plastic waste into high-quality liquid products like motor oils and waxes. The new catalyst produces intermediate-sized hydrocarbons, increasing the value of the resulting materials.
Researchers have developed a pacifier-based biosensor that tracks real-time glucose levels in saliva, allowing for non-invasive monitoring of newborns. The device could help diagnose and treat diabetes in infants, providing an alternative to continuous glucose monitoring currently only available in hospitals.
A new US food-labeling policy will require packaging to display the amount of added sugars and their daily value. Food companies are developing low- or no-calorie sweeteners, such as allulose, which promises to deliver sugar properties with one-tenth the calories.
Researchers have developed a method to produce pharmaceutical ingredients from woodchips, reducing waste and increasing efficiency. The process utilizes lignin, a component of wood, to synthesize potential drug candidates with promising antibacterial and anticancer activity.
Researchers are examining whether molecules in young blood could help treat age-related disorders, such as macular degeneration and Alzheimer
Study reveals substantial changes in metabolic pathways related to energy metabolism, the nervous system, and cell membrane lipid metabolism during methamphetamine self-administration and withdrawal. Biomarkers such as depleted amino acids may help identify early warning signs of methamphetamine dependence.
Researchers have discovered that aҫaí berry extract can significantly reduce the number of malaria parasites in infected mice, with a 89.4% decrease in parasitic load. The treatment also prolonged the survival of the mice, with all those given polyphenols surviving for over 15 days.
Researchers have identified 10 previously hidden pyridine alkaloids in fire ant venom, which could help explain the severity of bites and potential health complications. These compounds are found in different species of fire ants and even within individual ant castes.
Scientists found that sunlight can break down polystyrene over a much shorter time scale than previously estimated, degrading it in decades to centuries. The researchers' study suggests that the additive content of polystyrene samples affects its degradation rate.
Despite advances in communication and travel, international collaborations in science are threatened by political and economic realities. Current tensions between the US and China exemplify these hurdles, with concerns about foreign nations exploiting and undermining US research activities.
Researchers discovered that bleach fumes combined with light and limonene from household products can form airborne particles harmful to pets and humans. These particles, known as secondary organic aerosols, have been linked to respiratory issues and other health effects.
Copper acetate and copper resinate pigments, used in Renaissance-era art, turned brown over time due to molecular changes triggered by light exposure. Boiling linseed oil before mixing slowed the darkening reaction.
The authors propose an 'internet of health' where wearable sensors provide non-intrusive data on a person's health, correlated with environmental factors. This could lead to early disease prevention and personalized medicine.
Researchers have engineered protein crystals that can generate magnetic forces many times stronger than previously reported. By introducing these crystals into living cells, scientists can move the cells around with a magnet, offering potential applications in fields such as biotechnology and biomedical engineering.
Researchers developed a needle-free 'exosome' treatment that reduces wrinkles in UV-exposed mice, improving skin health and collagen production. The treatment uses a jet of air to deliver medications deep into the skin, providing a more youthful appearance.
The International Energy Agency argues that nuclear power can fill the gap in low-carbon electricity generation, but safety concerns and high costs are barriers. Nuclear reactors can generate energy with low greenhouse gas emissions like other low-carbon sources.
Compound lenses developed by researchers are inspired by mosquito eyes, providing a wide field of view with rapid imaging capabilities. The new design has antifogging properties, similar to those found in mosquito eyes, making it suitable for applications in drones, robots and medical devices.
Researchers found that plastic teabags release a significant amount of micro- and nanoplastics into tea during brewing. The levels were thousands of times higher than previously reported in other foods, and treated water fleas showed anatomical and behavioral abnormalities.