Corals convert sunscreen chemical into a toxin that kills them
The chemical in the sunblock is fine until the coral alters it. Enlarge (credit: Justin Lewis) Medical authorities have spent years convincing people to use sunscreen to limit their exposure to UV light. But that effort has ha.....»»
Organic nanozymes have broad applications from food and agriculture to biomedicine
Nanozymes are tiny, engineered substances that mimic the catalytic properties of natural enzymes, and they serve a variety of purposes in biomedicine, chemical engineering, and environmental applications. They are typically made from inorganic materi.....»»
Ce-doped yttria transparent ceramic: A new ultraviolet-shielding material for extreme conditions
Ultraviolet (UV) radiation can break most of the chemical bonds in organic matter, and prolonged exposure to ultraviolet light can cause significant harm to humans and objects. In response, UV-shielding materials have been developed to fulfill variou.....»»
Developing new methods for targeted protein degradation
Northwestern Medicine scientists have developed a new, more precise method to target proteins implicated in certain types of cancer, according to a study published in Nature Chemical Biology......»»
Scientists convert bacteria into efficient cellulose producers
Bacteria produce materials that are of interest to humans, such as cellulose, silk and minerals. The advantage of producing bacteria in this way is that it is sustainable, takes place at room temperature and in water. A disadvantage is that the proce.....»»
Low-income homes drop Internet service after Congress kills discount program
Charter CEO says "customers' ability to pay" a concern after $30 discounts end. Enlarge / A Charter Spectrum vehicle. (credit: Charter) The death of the US government's Affordable Connectivity Program (ACP) is starting t.....»»
Plants" hidden allies: Root microbiota fight back against leaf-mining flies
Plants encounter various biotic stresses, with insect herbivory being particularly destructive. Traditional chemical insecticides used to combat these pests pose environmental and health risks......»»
Researchers explore interplay between high-affinity DNA and carbon nanotubes
Single-walled carbon nanotubes (SWCNTs) have emerged as promising candidates for applications in biotechnology and nanoelectronics due to their exceptional physical and chemical properties. Despite their potential, challenges like insolubility and to.....»»
Scientists unlock more secrets of Rembrandt’s pigments in The Night Watch
Use of arsenic sulfides for yellow, orange/red hues adds to artist's known pigment palette. Enlarge / Rembrandt's The Night Watch underwent many chemical and mechanical alterations over the last 400 years. (credit: Public domain).....»»
Arsenic and old paint: Analyzing pigments in Rembrandt’s The Night Watch
Use of arsenic sulfides for yellow, orange/red hues adds to artist's known pigment palette. Enlarge / Rembrandt's The Night Watch underwent many chemical and mechanical alterations over the last 400 years. (credit: Public domain).....»»
Liquid metals offer potential for greener chemical processes, researchers say
University of Sydney researchers are proposing a new way to curb industrial emissions, by tapping into the "atomic intelligence" of liquid metals to deliver greener and more sustainable chemical reactions......»»
Photocatalyst research uncovers better way to produce green hydrogen
Researchers at Oregon State University have developed a material that shows a remarkable ability to convert sunlight and water into clean energy......»»
Chemical analyses find hidden elements from renaissance astronomer Tycho Brahe"s alchemy laboratory
In the Middle Ages, alchemists were notoriously secretive and didn't share their knowledge with others. Danish Tycho Brahe was no exception. Consequently, we don't know precisely what he did in the alchemical laboratory located beneath his combined r.....»»
Researchers discover faster, more energy-efficient way to manufacture industrially important propylene
Polypropylene is a common type of plastic found in many essential products used today, such as food containers and medical devices. Because polypropylene is so popular, demand is surging for a chemical used to make it. That chemical, propylene, can b.....»»
New study supports stable mantle chemistry dating back to Earth"s early geologic history
A new analysis of rocks thought to be at least 2.5 billion years old by researchers at the Smithsonian's National Museum of Natural History helps clarify the chemical history of Earth's mantle—the geologic layer beneath the planet's crust......»»
Environmental pollution and human health—how worried should we be?
If not the root of all evil, chemical pollution is surely responsible for a good chunk of it. At least, that's how it feels sometimes when reading the news and the latest research......»»
Study shows how waste Styrofoam can be transformed into polymers for electronics
A new study conducted by researchers from the University of Delaware and Argonne National Laboratory describes a chemical reaction that can convert Styrofoam into a high-value conducting polymer known as PEDOT:PSS......»»
Chemists develop a stable reagent for carbon-atom transfer
Professor Max Martin Hansmann from the Department of Chemistry and Chemical Biology and his team have developed a new reagent for selectively adding carbon atoms to molecules. This promising development for basic research in organic chemistry has bee.....»»
Rhythmic gene expression in plants is crucial for symbiosis with nutrient-providing bacteria, study finds
Legumes thrive in low-nitrogen environments by partnering with rhizobia, soil bacteria that convert atmospheric nitrogen into ammonium, a usable form for the plants. These beneficial bacteria are housed in root nodules formed on legume roots......»»
Nano-scale materials that mimic enzymes could convert CO₂ into chemical building blocks
Montana State University researcher James Crawford recently published a collaborative paper with the National Renewable Energy Laboratory that marks a step forward in their quest for what he calls a "holy grail" of chemistry: converting the greenhous.....»»
Fish barriers may aid baby corals in reef recovery
Scientists from the Australian Institute of Marine Science (AIMS) and James Cook University (JCU) have designed special cradles for baby corals that help prevent fish from eating them alive......»»