Exposure to air transforms gold alloys into catalytic nanostructures
(Phys.org) —Gold bars may signify great wealth, but the precious metal packs a much more practical punch when shrunk down to just billionths of a meter. Unfortunately, unlocking gold's potential often...
View ArticleProtein key to cell motility has implications for stopping cancer metastasis
A Penn team describes how a key cell-movement protein called IRSp53 is regulated in a resting and active state, and what this means for cancer-cell metastasis. They characterized how IRSp53 connects to...
View ArticleHow the signal from light triggers biological action in bacteria
Sunlight is the basis for all life on Earth so it should come as no surprise that many organisms have developed complex systems for detecting the quality and quantity of light in their environment....
View ArticleHow does complex behavior spontaneously emerge in the brain?
(Phys.org) —The idea of emergence, in which complex behavior spontaneously emerges out of simple interactions, exists in a wide variety of areas, such as economics, the Internet, and urban development....
View ArticleWildfires projected to worsen with climate change
Research by environmental scientists at the Harvard School of Engineering and Applied Sciences (SEAS) brings bad news to the western United States, where firefighters are currently battling dozens of...
View ArticleHibernating lemurs hint at the secrets of sleep
By studying hibernation, a Duke University team is providing a window into why humans sleep. Observations of a little-known primate called the fat-tailed dwarf lemur in captivity and the wild has...
View ArticleQuiet, not stormy, weather for US this year so far
After a couple years of wild, deadly and costly weather, the United States is mostly getting a lucky break this year. So far.
View ArticleMonitoring pilot alertness for solar impulse (w/ Video)
Pilot and psychiatrist Bertrand Piccard just "landed" after 72 hours of simulated flight across the Atlantic Ocean in Solar Impulse, a solar airplane which is equipped with advanced renewable...
View ArticleSatellite shows high productivity from US corn belt
Data from satellite sensors show that during the Northern Hemisphere's growing season, the Midwest region of the United States boasts more photosynthetic activity than any other spot on Earth,...
View ArticleSignificant baseline levels of arsenic found in Ohio soils are due to natural...
Geologic and soil processes are to blame for significant baseline levels of arsenic in soil throughout Ohio, according to a study published recently in the Journal of Environmental Quality.
View ArticleResearchers achieve enzyme-catalyzed Diels-Alder reaction
A computational study carried out at Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences (Moscow) focused on the mechanistic pathway of the SpnF-catalyzed cycloaddition reaction...
View ArticleTropical disturbance in the North Atlantic likely to develop
Although the non-tropical low pressure system in the North Atlantic has moved little during the past several hours it has become better defined with increasing organization of the associated...
View ArticleEarth-directed CME lights the skies
Earth experienced a geomagnetic storm on June 22, 2015 due to the arrival of an Earth-directed coronal mass ejection, or CME, from June 20.
View ArticleTechniques show the location and chemical structure of catalysts during...
Scientists working to design more robust and efficient catalysts have achieved a world first with the help of powerful imaging techniques at Diamond Light Source, the UK's synchrotron science facility....
View ArticleToday's disposable society: Pharmaceuticals and other contaminants of...
An increasing amount of drugs taken by humans and animals make it into our streams and waterways, and pharmaceutical pollution has had catastrophic ecosystem consequences despite low levels of...
View ArticleOne professor's fight to help the children of incarcerated parents
When I was ten years old my father, a lawyer, was incarcerated. He was what some people call a "white collar criminal" and spent two years in prison. Because I come from a loving family and because my...
View ArticleInduced earthquakes come under closer scrutiny at SSA Annual Meeting
On March 28, the U.S. Geological Survey issued a one-year seismic forecast for the United States that for the first time includes ground-shaking hazards from both natural and human-induced earthquakes....
View Article1 minus 1 does not always equal 0 in chemistry
In the world of chemistry, one minus one almost always equals zero.
View ArticleCenter of U.S. tornado activity shifting east and south, possibly due to...
A Purdue University research team has found that the center of tornado activity in the United States has shifted in recent decades, and this shift is possibly influenced by climate change.
View ArticleCzechs arrest Russian hacker sought by United States (Update)
Czech police have arrested a Russian hacker suspected of cyberattacks in the United States, officials said on Wednesday.
View ArticleReport: Wildlife populations halved on average since '70s
Global wildlife populations have fallen an average of 58 percent from 1970 levels, with human activity reducing the numbers of elephants in Tanzania, maned wolves in Brazil, salamanders in the United...
View ArticleHurricane risk to northeast USA coast increasing, research warns
The Northeastern coast of the USA could be struck by more frequent and more powerful hurricanes in the future due to shifting weather patterns, according to new research.
View ArticleSensors to measure 'fan quakes' at Michigan-Ohio State game
Ohio Stadium is sure to be rocking on Saturday when Ohio State and Michigan take the football field, and geologists will find out just how much through the use of seismographs.
View ArticleOklahoma warns of more quakes from energy drilling
Oklahoma regulators said Tuesday that the number of induced earthquakes could increase as oil and gas production expands in a broad area of the state, and they're telling energy companies that they...
View ArticleResearchers use TACC supercomputers to create first all-atom simulation of...
One of the most talked about biological breakthroughs in the past decade was the discovery of the genome editing tool CRISPR/Cas9, which can alter DNA and potentially remove the root causes of many...
View ArticleWhy US communities should be designing parks for older adults
As America grays, healthy aging becomes essential. Physical activity or exercise is an important piece of this. Getting regular exercise of just 150 minutes of moderate physical activity per week has...
View ArticleEU warns of 'united response' to cyberattacks
The European Union warned Monday that a cyberattack on any one member state could merit a response by all members of the bloc, amid growing fears of hackers holding governments to ransom.
View ArticleEU 'deeply regrets' US Paris climate pact withdrawal
The European Union on Monday blasted US President Donald Trump for pulling out of the Paris climate change pact and said Brussels would continue to lead efforts to prevent global warming.
View ArticleScientists propose method to improve microgrid stability and reliability
The power it takes to bring a Boeing 747 from a resting state on the airport tarmac to speeding across the sky is enormous. The jet can continue in its active state for as long as its fuel lasts. A...
View ArticleArthritis, autoimmune disease discovery could lead to new treatments
More than 23.5 million Americans suffer from autoimmune diseases like rheumatoid arthritis, scleroderma and lupus, in which an overzealous immune response leads to pain, inflammation, skin disorders...
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