Last update Paper-based electronics could fold, biodegrade and be the basis for the next generation of devices, 1 hour ago
In the past 10 years, harmful algal blooms—sudden increases in the population of algae, typically in coastal regions and freshwater systems—have become a more serious problem for marine life throughout the U.S. The blooms ...
Scientists from Russia and Germany have shed light on the crystalline structure of calaverite, foretelling the existence of a new gold compound previously unknown to chemists. The results of their study were published in ...
The chemical element sulfur is an important constituent in many pharmaceuticals, and consequently, it is desirable to introduce sulfur-containing fragments efficiently in a broad range of chemical compounds. The Skrydstrup ...
Know that sickening feeling when you exit the grocery store and find your car has been banged up by a runaway shopping cart? It may one day be just a bad memory if auto body manufacturers make use of a new suite of tests ...
A couple of sugars, a dash of enzymes, a pinch of salt, a splash of polyethylene glycol, carefully arranged in watery baths. And researchers had made a synthetic organelle, which they used in a new study to explore some odd ...
Designing a new chemical synthesis can be a laborious process with a fair amount of drudgery involved—mixing chemicals, measuring temperatures, analyzing the results, then starting over again if it doesn't work out.
Stereochemistry is a science of reflection. Two chemical molecules with the same composition and structure, but with one as the mirror image of the other, can produce wildly varying effects. Controlling which molecule emerges ...
Developing materials suitable for use in optoelectronic devices is currently a very active area of research. The search for materials for use in photoelectric conversion elements has to be carried out in parallel with developing ...
Cells need to react to environmental changes and maintain a balanced system of signaling cascades within the cell. Proteins outside of the cell, on the cellular surface, inside the cellular membrane, and within the cell orchestrate ...
Stiff microbial films often coat medical devices, household items and infrastructure such as the inside of water supply pipes, and can lead to dangerous infections. Researchers have developed a system that harnesses the power ...
Calcium carbonate is found nearly everywhere, in sidewalk cement, wall paint, antacid tablets and deep underground. Engineers at Washington University in St. Louis have used a unique set of state-of-the-art imaging techniques ...
The body's immune system is a valiant weapon against disease, and harnessing its power through a technique called immunotherapy is at the forefront of current research to treat cancer and other diseases.
G-protein-coupled receptors (GPCRs) are everywhere in our bodies. They are embedded in our cell membranes, where they act as signal transducers, allowing cells to respond to their external environments. GPCRs play a crucial ...
When it comes to designing and optimizing mechanical systems, scientists understand the physical laws surrounding them well enough to create computer models that can predict their properties and behavior. However, scientists ...
Sept. 18, 2018—University of Oregon chemists have created a new class of fluorescent dyes that function in water and emit colors based solely on the diameter of circular nanotubes made of carbon and hydrogen.
An international team of researchers affiliated with UNIST has introduced an exciting new organic network structure that shows pure organic ferromagnetism from pure p-TCNQ without any metal contamination at room temperature. ...
Careful sample preparation, electron tomography and quantitative analysis of 3-D models provides unique insights into the inner structure of reverse osmosis membranes widely used for salt water desalination wastewater recycling ...
The power of the sun is so incredible that it could fulfill the world's energy needs in roughly 90 minutes. While plants have mastered photosynthesis, harnessing sunlight into chemical energy, scientists are still trying ...
Using surface-enhanced Raman spectroscopy, Columbia Engineers are first to observe how CO2 is activated at the electrode-electrolyte interface; their finding shifts the catalyst design from trial-and-error paradigm to a rational ...
Over the past three decades, lithium-ion batteries, rechargeable batteries that move lithium ions back and forth to charge and discharge, have enabled smaller devices that juice up faster and last longer.
Producing fuels and chemicals from biomass (wood, grasses, etc.) is one of the most promising solutions for building a renewable economy. The process involves deconstructing plants to produce single carbohydrates, mostly ...
An international team of researchers has developed a new mechanism to protect enzymes from oxygen as biocatalysts in fuel cells. The enzymes, known as hydrogenases, are just as efficient as precious metal catalysts, but unstable ...
Nothing foretells the coming of winter like frost on windshields.
Researchers from the Georgia Institute of Technology may have made headway in helping determine the origin of life by identifying three different molecules that self-assemble to form a molecular structure with features characteristic ...
The complex architecture of bone is challenging to recreate in the lab. Therefore, advances in bone tissue engineering (BTE) aim to build patient-specific grafts that assist bone repair and trigger specific cell-signaling ...
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Researchers of the Synthetic Organic Chemistry group at Aalto University have established an innovative system using enzymes for the valorisation of biogenic furans, leading to organic structures that are found for example ...
What prevents our cells from being overexposed to iron ions roaming freely in the body is a protein called lactoferrin, known for its ability to bind tightly to such ions. These free ions are essential for a number of biological ...
Trendy workout clothes may advertise that special silver nanoparticles embedded in the fabric will cut the sweaty odor that builds up from repeated gym visits. It turns out there's some truth to these claims.
Molecular motors convert energy into unidirectional mechanical motion. Most biomolecular motors in cells use adenosine triphosphate (ATP) as a chemical energy source. Recently, however, Serratia marcescens chitinase A (SmChiA) ...
Researchers of the Institute of Chemical Engineering of Ural Federal University and the Institute of High-temperature Electrochemistry (Ural Branch of the Russian Academy of Sciences have developed new electrochemical cells ...
A class of supported Pd@NiO-x core@shell catalysts have been constructed for direct H2O2 generation. The optimized Pd@NiO-3/TiO2 exhibited high activity, superior selectivity, low degradation activity and excellent stability. ...
The forgotten art of "dry-hopping" beer to enhance flavor is back in vogue. But this practice sometimes has undesirable side effects, such as an unexpectedly high alcohol content and high pressures that could cause beer bottles ...
Water covers most of the globe, yet many regions still suffer from a lack of clean drinking water. If scientists could efficiently and sustainably turn seawater into clean water, a looming global water crisis might be averted. ...
Drinking green tea has been linked to health benefits ranging from cardiovascular disease prevention to weight loss. Although many of these claims still need to be verified in the clinic, an antioxidant in green tea called ...
A research group at KAIST has developed an engineered E. coli strain that converts formic acid and CO2 to pyruvate and produces cellular energy from formic acid through reconstructed one-carbon pathways. The strategy described ...
The efficacy of chemotherapy treatment depends on how effectively it reaches cancerous cells. Increasing targeted delivery could mean decreasing side effects. Scientists are enhancing methods of selectively transmitting active ...
A research team affiliated with UNIST has examined the rates of liquid penetration on rough or patterned surfaces, especially those with pores or cavities. Their findings provide important insights into the development of ...
Condensation heat transfer plays an essential role in the efficiency of energy-intensive industrial technologies including power generation, energy utilization, water desalination and harvesting, air-conditioning, and thermal ...
From a humble plastic bag to ultra-light airplane wings, polymers are everywhere. These molecules are long chains of atoms that play many roles for good and bad, from organic photovoltaics to indestructible plastic pollution. ...
Large crystals growing in water often form from tiny nanocrystals continually attaching together. During attachment, these tiny particles snap to the surface, like LEGO bricks. A bit of torque is needed to rotate the particles ...
Protein research is one of the hottest areas in medical research because proteins make it possible to develop far more effective pharmaceuticals for the treatment of diabetes, cancer and other illnesses.
Do you enjoy breathing air? You should spare a thought once in a while for heme, an iron-containing molecule essential to all organisms engaged in an air-breathing lifestyle. Heme molecules are most famously part of hemoglobin, ...
Ball-like lignin particles developed by researchers open up completely new possibilities for the utilisation of lignin.
Combining multiple poor quality CCTV images into a single, computer-enhanced composite could improve the accuracy of facial recognition systems used to identify criminal suspects, new research suggests.
Nearly 1,800 miles below the earth's surface, there are large odd structures lurking at the base of the mantle, sitting just above the core. The mantle is a thick layer of hot, mostly plastic rock that surrounds the core; ...
Physicists at The City College of New York have used atomically thin two-dimensional materials to realize an array of quantum emitters operating at room temperature that can be integrated into next generation quantum communication ...
Guy Middleton, a historian at the Czech Institute of Egyptology at Charles University in Prague, has angered members of the group who successfully pushed for the creation of a new unit of geological time called the Meghalayan ...
From observing celestial objects to medical imaging, the sensitive detection of X-rays plays a central role in countless applications. However, the methods used to detect them have undergone an interesting evolution of their ...
University of Groningen physicists in collaboration with a theoretical physics group from Universität Regensburg have built an optimized bilayer graphene device that displays both long spin lifetimes and electrically controllable ...
A new study of house sparrows' genes has found the first evidence of animals adapting to lead contamination in heavily polluted areas of Australia.
Barely heard of a couple of years ago, quinoa today is common on European supermarket shelves. The hardy plant thrives even in saline soils. Researchers from the University of Würzburg have now determined how the plant gets ...
New 3-D maps of water distribution during cellular membrane fusion are accelerating scientific understanding of cell development, which could lead to new treatments for diseases associated with cell fusion. Using neutron ...
From the kitchen to the car, Amazon on Thursday sought to make its Alexa digital assistant and online services a bigger part of people's lives with an array of new products and partnerships.
In recent years, the demand for cobalt, a crucial component of rechargeable lithium-ion batteries for smartphones and electric cars, has been on the increase. Around 60 percent of the world's cobalt supply comes from the ...
The building blocks of matter in our universe were formed in the first 10 microseconds of its existence, according to the currently accepted scientific picture. After the Big Bang about 13.7 billion years ago, matter consisted ...
A Japanese space probe Friday released a pair of exploring rovers towards an egg-shaped asteroid to collect mineral samples that may shed light on the origin of the solar system.
A UK team of astronomers report the first detection of matter falling into a black hole at 30 percent of the speed of light, located in the centre of the billion-light year distant galaxy PG211+143. The team, led by Professor ...
By studying the genome of a kind of octopus not known for its friendliness toward its peers, then testing its behavioral reaction to a popular mood-altering drug called MDMA or "ecstasy," scientists say they have found preliminary ...
Mammals are unique in many ways. We're warm-blooded and agile in comparison with our reptilian relatives.
Scientists from The Australian National University (ANU) and overseas have discovered molecules of fat in an ancient fossil to reveal the earliest confirmed animal in the geological record that lived on Earth 558 million ...
Sun-like stars rotate up to two and a half times faster at the equator than at higher latitudes, a finding by researchers at NYU Abu Dhabi that challenges current science on how stars rotate.
As global warming outpaces efforts to tame it, scientists have proposed building massive underwater structures to prevent an Antarctic glacier the size of Britain from sliding into the sea and lifting the world's oceans by ...
The discovery of a microorganism that gives a candy-pink lagoon in central Spain its startling colour is providing new evidence for how life could survive on a high-salt diet on Mars or Europa. The Laguna de Peña Hueca, ...
On the cusp of our atmosphere live a thin group of seasonal electric blue clouds. Forming 50 miles above the poles in summer, these clouds are known as noctilucent clouds or polar mesospheric clouds—PMCs. A recent NASA ...
Body organs such as the intestine and ovaries undergo structural changes in response to dietary nutrients that can have lasting impacts on metabolism, as well as cancer susceptibility, according to Carnegie's Rebecca Obniski, ...
Over the past several years, CRISPR-Cas9 has moved beyond the lab bench and into the public zeitgeist. This gene-editing tool CRISPR-Cas9 holds promise for correcting defects inside individual cells and potentially healing ...
Today's kiwifruit, a member of the Chinese gooseberry family, contains about as much vitamin C as an orange. This extra boost in vitamin C production is the result of the kiwifruit's ancestors' spontaneously duplicating their ...
A collaborative team of marine biologists has discovered that basking sharks, hundreds of which are found off the shores of Ireland, Cornwall, the Isle of Man and Scotland, can jump as fast and as high out of the water as ...
Scientists have challenged the theory of "love at first sight" after discovering that they can boost the reproductive success of zebrafish by pairing them by personality, rather than appearance.
In the realm of evolutionary biology and survival of the fittest, cooperation is a risky business. Yet humans do it on a scope and a scale unmatched by any group in the animal world.
We are all exposed to a vast and dynamic cloud of microbes, chemicals and particulates that, if visible, might make us look something like Pig-Pen from Peanuts.
Using ESO's Very Large Telescope (VLT), European astronomers have uncovered the presence of an M-dwarf around the star EPIC 206011496. The newly found object is more than 60 percent less massive than our sun and is bounded ...
A typical desk globe is designed to be a geometric sphere and to rotate smoothly when you spin it. Our actual planet is far less perfect—in both shape and in rotation.
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