Science

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 2018-06-23 18:18 

Phys.org

Researchers create one of the smallest nanoparticle stabilized nanoemulsions with new technique...

MIE Assistant Professor Sushant Anand and his research associates have had multiple breakthroughs with their work on oil-water mixtures or "emulsions." Now, the researchers have taken their research to a new level by creating ultra-small (100-400 ...

 2018-06-22 18:00 

Phys.org

Detecting metabolites at close range...

A novel concept for a biosensor of the metabolite lactate combines an electron transporting polymer with lactate oxidase, which is the enzyme that specifically catalyzes the oxidation of lactate. Lactate is associated with critical medical conditions, so ...

 2018-06-22 17:02 

Phys.org

Research team uncovers lost images from the 19th century...

Art curators will be able to recover images on daguerreotypes, the earliest form of photography that used silver plates, after a team of scientists led by Western University learned how to use light to see through degradation that has occurred over time....

 2018-06-22 13:30 

Phys.org

How community structure affects the resilience of a network...

Network theory is a method for analyzing the connections between nodes in a system. One of the most compelling aspects of network theory is that discoveries related to one field, such as cellular biology, can be abstracted to a form that applies directly ...

 2018-06-22 12:50 

Phys.org

European eels found to suffer muscle damage due to cocaine in the water...

A team of researchers from the University of Naples Federico II and the University of Salerno has found that eels exposed to very small amounts of cocaine in the water suffer health problems. In their paper published in Science of The Total Environment, t...

 2018-06-22 12:34 

Phys.org

Chemists report biorenewable, biodegradable plastic alternative...

Colorado State University polymer chemists have taken another step toward a future of high-performance, biorenewable, biodegradable plastics....

 2018-06-22 12:06 

Phys.org

Receptor networks underpin plant immunity...

Fresh insights into plant immunity amount to a new field of discovery that could advance the next generation of disease-resistant crops....

 2018-06-22 12:01 

Phys.org

CryoEM study captures opioid signaling in the act...

Opioid drugs like morphine and fentanyl are a mainstay of modern pain medicine. But they also cause constipation, are highly addictive, and can lead to fatal respiratory failure if taken at too high a dose. Scientists have long sought to develop new opioi...

 2018-06-22 12:00 

Phys.org

Plants have unique lock to control expression of genes, study finds...

Purdue University scientists have discovered evidence that the repressive structures that plants use to keep genes turned off is built with a potential self-destruct switch. The findings offer insight into ways to control gene expression to alter plants&#...

 2018-06-22 11:48 

Phys.org

OMG, the water's warm! NASA study solves glacier puzzle...

A new NASA study explains why the Tracy and Heilprin glaciers, which flow side by side into Inglefield Gulf in northwest Greenland, are melting at radically different rates....

 2018-06-22 11:47 

Phys.org

Dynamic modeling helps predict the behaviors of gut microbes...

The human gut is teeming with microbes, each interacting with one another in a mind-boggling network of positive and negative exchanges. Some produce substances that serve as food for other microbes, while others produce toxins—antibiotics—tha...

 2018-06-22 11:43 

Phys.org

Unconfirmed near-Earth objects...

Near-Earth objects (NEOs) are small solar system bodies whose orbits sometimes bring them close to the Earth, potentially threatening a collision. NEOs are tracers of the composition, dynamics and environmental conditions throughout the solar system and o...

 2018-06-22 11:41 

Phys.org

Understanding how to control 'jumping' genes...

A team of Texas A&M University and Texas AgriLife Research scientists have made a new discovery of how a single protein, Serrate, plays dual roles in controlling jumping genes....

 2018-06-22 11:40 

Phys.org

New insights into DNA 'melting' reveal chink in bacteria's armour...

Scientists have shed light on DNA 'melting' a crucial process fundamental to all life....

 2018-06-22 11:40 

Phys.org

The photoelectric effect in stereo...

In the photoelectric effect, a photon ejects an electron from a material. Researchers at ETH have now used attosecond laser pulses to measure the time evolution of this effect in molecules. From their results they can deduce the exact location of a photoi...

 2018-06-22 11:35 

Phys.org

New gibbon genus discovered in ancient Chinese tomb...

Scientists studying bones excavated from an ancient tomb in Shaanxi Province, central China, have discovered an entirely new but already extinct genus of gibbons....

 2018-06-22 09:28 

Phys.org

Printing microelectrode array sensors on gummi candy...

Microelectrodes can be used for direct measurement of electrical signals in the brain or heart. These applications require soft materials, however. With existing methods, attaching electrodes to such materials poses significant challenges. A team at the T...

 2018-06-22 09:00 

Phys.org

What causes the sound of a dripping tap—and how do you stop it?...

Scientists have solved the riddle behind one of the most recognisable, and annoying, household sounds: the dripping tap. And crucially, they have also identified a simple solution to stop it, which most of us already have in our kitchens....

 2018-06-21 21:49 

Phys.org

Template to create superatoms could make for better batteries...

Virginia Commonwealth University researchers have discovered a novel strategy for creating superatoms—combinations of atoms that can mimic the properties of more than one group of elements of the periodic table. These superatoms could be used to cre...

 2018-06-21 21:47 

Phys.org

Chemists teach an enzyme a new trick, with potential for building new molecules...

Princeton chemists have found a way to make a naturally occurring enzyme take on a new, artificial role, which has significant implications for modern chemistry, including pharmaceutical production. Their work appears in the journal Nature Chemistry....

 2018-06-21 18:00 

Phys.org

Bedrock in West Antarctica rising at surprisingly rapid rate...

The earth is rising in one part of Antarctica at one of the fastest rates ever recorded, as ice rapidly disappears and weight is lifted off the bedrock, a new international study has found....

 2018-06-21 18:00 

Phys.org

Research identifies how snowshoe hares evolved to stay seasonally camouflaged...

Many animals have evolved fur or feather colors to blend in with the environment and hide from predators. But how do animals stay camouflaged when their environment changes with each new season? Researchers at the University of Montana recently discovered...

 2018-06-21 18:00 

Phys.org

Mice not only experience regret, but also learn to avoid it in the future...

Experiencing regret can leave a "bad taste" in one's mouth and drive an individual to compensate for one's losses. This immediate post-regret phenomenon was once thought to be unique to humans, but it has been recently demonstrated in othe...

 2018-06-21 18:00 

Phys.org

Water can be very dead, electrically speaking...

In a study published in Science this week, the researchers describe the dielectric properties of water that is only a few molecules thick. Such water was previously predicted to exhibit a reduced electric response but it remained unknown by how much. The ...

 2018-06-21 18:00 

Phys.org

New study finds US oil and gas methane emissions 60 percent higher than estimated...

The U.S. oil and gas industry emits 13 million metric tons of the potent greenhouse gas methane from its operations each year, 60 percent more than estimated by the U.S. Environmental Protection Agency, according to a new study published today in the jour...

 2018-06-21 18:00 

Phys.org

Einstein proved right in another galaxy...

An international team of astronomers have made the most precise test of gravity outside our own solar system....

 2018-06-21 18:00 

Phys.org

New research provides expanded insights into the brain's response to opioids...

Opioids are powerful painkillers that act on the brain, but they have a range of harmful side effects including addiction. Researchers from the Max Planck Institute of Biochemistry (MPIB) in collaboration with researchers from the Medical University of In...

 2018-06-21 18:00 

Phys.org

Researchers achieve unprecedented control of polymer grids...

Synthetic polymers are ubiquitous—nylon, polyester, Teflon and epoxy, to name just a few—and these polymers are all long, linear structures that tangle into imprecise structures. Chemists have long dreamed of making polymers with two-dimension...

 2018-06-21 16:40 

Phys.org

High Court: Online shoppers can be forced to pay sales tax...

States will be able to force shoppers to pay sales tax when they make online purchases under a Supreme Court decision Thursday that will leave shoppers with lighter wallets but is a big win for states....

 2018-06-21 16:35 

Phys.org

'Red nuggets' are galactic gold for astronomers...

About a decade ago, astronomers discovered a population of small, but massive galaxies called "red nuggets." A new study using NASA's Chandra X-ray Observatory indicates that black holes have squelched star formation in these galaxies and may ...

 2018-06-21 16:28 

Phys.org

Research team reverse way potassium channels work from bacteria to human...

For the first time ever, researchers at the Texas Tech University Health Sciences Center (TTUHSC) have identified a specific amino acid residue that is responsible for inverting the communication between the opening of the activation gate and the inactiva...

 2018-06-21 16:24 

Phys.org

Researchers engineer bacteria to exhibit stochastic Turing patterns...

How did the zebra get its stripes, or the leopard its spots? Mankind has been trying to answer such questions since our earliest recorded days, and they resonate throughout the extant mythologies and folklores of an earlier world. In modern times, we'...

 2018-06-21 16:10 

Phys.org

Zebrafish's near 360 degree UV-vision knocks stripes off Google Street View...

Tiny freshwater fish have a view of the world that blows Google Street View out of the water—using different parts of their eyes to deliver optimum uses of colour, black-and-white and ultraviolet....

 2018-06-21 16:05 

Phys.org

Cells stop dividing when this gene kicks into high gear, study finds...

Scientists seeking to unlock the secrets of cellular aging have identified a gene that triggers senescence, a phenomenon in which cells stop dividing....

 2018-06-21 15:00 

Phys.org

Crowding inside cells may influence many functions and major diseases...

Among the most studied protein machines in history, mTORC1 has long been known to sense whether a cell has enough energy to build the proteins it needs to multiply as part of growth. Because faulty versions of mTORC1 contribute to the abnormal growth seen...

 2018-06-21 15:00 

Phys.org

Scientists discover new gene expression mechanism with possible role in human disease...

When cells grow and divide to ensure a biological function—such as a properly working organ—DNA must be unwound from its typical tightly packed form and copied into RNA to create proteins. When this process goes awry—if too little or too...

 2018-06-21 15:00 

Phys.org

Bogong moths first insect known to use magnetic sense in long-distance nocturnal migration...

Each spring, millions of nocturnal Bogong moths hatch across breeding grounds throughout southeastern Australia before flying over 1,000 kilometers through the dark night to reach a limited number of high alpine caves in the Australian Alps. After a few m...

 2018-06-21 15:00 

Phys.org

Not junk: 'Jumping gene' is critical for early embryo...

A so-called "jumping gene" that researchers long considered either genetic junk or a pernicious parasite is actually a critical regulator of the first stages of embryonic development, according to a new study in mice led by UC San Francisco scient...

 2018-06-21 15:00 

Phys.org

Fish's use of electricity might shed light on human illnesses...

Deep in the night in muddy African rivers, a fish uses electrical charges to sense the world around it and communicate with other members of its species. Signaling in electrical spurts that last only a few tenths of a thousandth of a second allows the fis...

 2018-06-21 14:25 

Phys.org

The Rosetta stone of active galactic nuclei deciphered...

A galaxy with at least one active supermassive black hole named OJ 287 has caused many irritations and questions in the past. The emitted radiation of this object spans a wide range from the radio up to the highest energies in the TeV regime. The potentia...

 2018-06-21 13:30 

Phys.org

Physicists show that is impossible to mask quantum information in correlations...

Information is typically stored in physical systems, such as memory devices. But in a new study, physicists have investigated an alternative way to store and hide information, which is by storing it only in the quantum correlations among two or more syste...

 2018-06-21 13:10 

Phys.org

HESS J1943+213 is an extreme blazar, study finds...

An international group of astronomers have carried out multi-wavelength observations of HESS J1943+213 and found evidence supporting the hypothesis that this gamma-ray source is an extreme blazar. The finding is reported in a paper published June 11 on th...

 2018-06-21 13:00 

Phys.org

How do horses read human emotional cues?...

Scientists have demonstrated for the first time that horses integrate human facial expressions and voice tones to perceive human emotion, regardless of whether the person is familiar or not....

 2018-06-21 13:00 

Phys.org

DNA enzyme shuffles cell membranes a thousand times faster than its natural counterpart...

A new synthetic enzyme, crafted from DNA rather than protein, flips lipid molecules within the cell membrane, triggering a signal pathway that could be harnessed to induce cell death in cancer cells....

 2018-06-21 12:33 

Phys.org

'Stealth sheet' hides hot objects from prying infrared eyes...

Infrared cameras are the heat-sensing eyes that help drones find their targets, even in the dead of night or through heavy fog....

 2018-06-21 12:30 

Phys.org

How fledglings and their parents negotiate the best time for young birds to leave the nest...

A team of researchers at the University of Montana has found that fledglings and their parents must negotiate to find the right time for the young birds to leave their nest. In their paper published on the open access site Science Advances, the group desc...

 2018-06-21 12:26 

Phys.org

Scientists discover new species of ancient marine lizard...

University of Alberta paleontologists discovered a new species of marine lizard that lived 70 to 75 million years ago, with its muscle and skin remarkably well preserved....

 2018-06-21 11:59 

Phys.org

New laser technology shows success in particle accelerators...

Lasers—used in medicine, manufacturing and made wildly popular by science fiction—are finding a new use in particle physics....

 2018-06-21 11:41 

Phys.org

Teaching a machine to spot a crystal...

Protein crystals don't usually display the glitz and glam of gemstones. But no matter their looks, each and every one is precious to scientists....

 2018-06-21 10:50 

Phys.org

Laser bursts generate electricity faster than any other method...

Take a glass thread a thousand times thinner than a human hair. Use it as a wire between two metals. Hit it with a laser pulse that lasts a millionth of a billionth of a second....

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