Glassy menagerie of particles in beach sands near Hiroshima is fallout debris: study

Mario Wannier, a career geologist with expertise in studying tiny marine life, was methodically sorting through particles in samples of beach sand from Japan's Motoujina Peninsula when he spotted something unexpected: a number of tiny, glassy spheres and other unusual objects. | Continue reading


@phys.org | 5 years ago

Human gut microbiome physiology can now be studied in vitro using Organ Chip technology

The human microbiome, the huge collection of microbes that live inside and on our body, profoundly affects human health and disease. The human gut flora in particular, which harbor the densest number of microbes, not only break down nutrients and release molecules important for o … | Continue reading


@phys.org | 5 years ago

Quantum world-first—researchers reveal accuracy of two-qubit calculations in silicon

For the first time ever, researchers have measured the fidelity—that is, the accuracy—of two-qubit logic operations in silicon, with highly promising results that will enable scaling up to a full-scale quantum processor. | Continue reading


@phys.org | 5 years ago

The moon is quaking as it shrinks

A 2010 analysis of imagery from NASA's Lunar Reconnaissance Orbiter (LRO) found that the moon shriveled like a raisin as its interior cooled, leaving behind thousands of cliffs called thrust faults on the moon's surface. | Continue reading


@phys.org | 5 years ago

Speech recognition technology is not a solution for poor readers

About one in five people is considered to be low literate or illiterate, unable to read or write simple statements. Low literacy can be due to reading impairments such as dyslexia or little or no reading practice. For developing countries with low literacy rates, voice recognitio … | Continue reading


@phys.org | 5 years ago

Green energy nudges come with a hidden cost

All across the United States, many households receive energy bills comparing their use to that of similar neighbors to remind them to use less energy. At most companies, employees are automatically enrolled in 401(k) plans unless they choose to opt-out, helping employees easily s … | Continue reading


@phys.org | 5 years ago

Scientists create new genomic resource for improving tomatoes

Tomato breeders have traditionally emphasized traits that improve production, like larger fruits and more fruits per plant. As a result, some traits that improved other important qualities, such as flavor and disease resistance, were lost. | Continue reading


@phys.org | 5 years ago

Weighing up trade-offs between food security and climate mitigation

IIASA researchers collaborated with colleagues in Japan to clarify the impacts of stringent climate mitigation policies on food security. The team identified smart and inclusive climate policy designs where the risk of food-security for hundreds of millions of people could be add … | Continue reading


@phys.org | 5 years ago

'Doing science,' rather than 'being scientists,' more encouraging to those underrepresented in the field

Over the course of a school year, elementary school children lose confidence that they can "be scientists," but remain more confident that they can "do science," finds a new psychology study by researchers at New York University and Princeton University. | Continue reading


@phys.org | 5 years ago

Supreme Court allows lawsuit over iPhone apps

The Supreme Court is allowing consumers to pursue an antitrust lawsuit that claims Apple has unfairly monopolized the market for the sale of iPhone apps. | Continue reading


@phys.org | 5 years ago

A late-night disco in the forest reveals tree performance

In 2017, the group from the Optics of Photosynthesis Lab (OPL) developed a new method to measure a small but important signal produced by all plants, and in this case trees. This signal is called chlorophyll fluorescence and it is an emission of radiation at the visible and near- … | Continue reading


@phys.org | 5 years ago

Turning wastewater sludge into energy and mineral salts

A system developed by EPFL spin-off TreaTech can turn sludge from wastewater treatment plants into mineral salts – which could be used in fertilizer, for example – and biogas. The firm's research is being funded by several private- and public-sector entities, and a large-scale pi … | Continue reading


@phys.org | 5 years ago

Private equity firm buys Canada's WestJet airline

Private equity firm Onex announced Monday its purchase of Canada's second-largest airline WestJet for about Can$5 billion (US$3.7 billion) including assumed debt. | Continue reading


@phys.org | 5 years ago

Understanding relationship break-ups to protect the reef

Unravelling the secrets of the relationship between coral and the algae living inside it will help prevent coral bleaching, University of Queensland researchers believe. | Continue reading


@phys.org | 5 years ago

Wild pigs invade Canadian provinces—an emerging crisis for agriculture and the environment

Wild pigs—a mix of wild boar and domestic swine—are spreading rapidly across Canada, threatening native species such as nesting birds, deer, agricultural crops, and farm livestock, research by the University of Saskatchewan (USask) shows. | Continue reading


@phys.org | 5 years ago

Locating a shooter from the first shot via cellphone

In the past several decades, militaries have worked hard to develop technologies that simultaneously protect infantry soldiers' hearing and aid in battlefield communication. However, these advanced Tactical Communication and Protective Systems, or TCAPS—earmuffs or earplugs with … | Continue reading


@phys.org | 5 years ago

Delhi hit by rare summer air pollution alert

New Delhi suffered a rare summer air pollution alert Monday as dust storms and heat over northern India took smog to hazardous levels. | Continue reading


@phys.org | 5 years ago

Researchers present new direct-detection constraints on Sub-GeV dark matter

In a recent study, a team of researchers has presented new direct-detection constraints on eV-to-GeV dark matter interacting with electrons, using a new prototype detector developed as part of the Sub-Electron-Noise Skipper-CCD Experimental Instrument (SENSEI) project. The SENSEI … | Continue reading


@phys.org | 5 years ago

Uber gets hit again; shares below $40

Uber shares are down 7% and trading below $40 before the opening bell. | Continue reading


@phys.org | 5 years ago

Study unveils detailed properties of the eclipsing binary KOI-3890

By combining transit photometry, radial velocity observations, and asteroseismology, astronomers have gathered important information about the properties of a highly eccentric, eclipsing binary system known as KOI-3890. The new findings are presented in a paper published April 30 … | Continue reading


@phys.org | 5 years ago

How cryptocurrency scams work

Millions of cryptocurrency investors have been scammed out of massive sums of real money. In 2018, losses from cryptocurrency-related crimes amounted to US$1.7 billion. The criminals use both old-fashioned and new-technology tactics to swindle their marks in schemes based on digi … | Continue reading


@phys.org | 5 years ago

Researchers find patterns associated with extreme floods

Extreme floods across the continental United States are associated with four broad atmospheric patterns, a machine-learning based analysis of extreme floods found. | Continue reading


@phys.org | 5 years ago

Mangrove forests trap floating litter

Mangrove forests on the coasts of Saudi Arabia act as litter traps, accumulating plastic debris from the marine environment, according to new research from KAUST. The study offers an explanation for the fate of missing marine plastic litter and highlights the threat it poses to c … | Continue reading


@phys.org | 5 years ago

Advancement in driverless aircraft could direct the future of drones, flight

Billions of dollars are being spent by aviation giants and aerospace startups to create driverless flying vehicles that can meet the growing need for rapid and flexible travel and delivery. Anyone who has tried to navigate major metro areas like New York City or Los Angeles knows … | Continue reading


@phys.org | 5 years ago

Comparison of global climatologies confirms warming of the global ocean

The global ocean represents the most important component of the Earth climate system. The oceans accumulate heat energy and transport heat from the tropics to higher latitudes, responding very slowly to changes in the atmosphere. Digital gridded climatologies of the global ocean … | Continue reading


@phys.org | 5 years ago

The use of science in environmental decision making

The level of scientific literacy in the United States is low by so many measures there isn't a reason to rollout the data on science education in the United States to make the point. With a determined effort, we could overcome our science literacy problem, but I see no sign of de … | Continue reading


@phys.org | 5 years ago

How acoustics detected artillery in WWI

During World War I, William Lawrence Bragg led a team of engineers in the development of an acoustic method to locate enemy artillery, work that was so successful that it was soon used widely throughout the British army. | Continue reading


@phys.org | 5 years ago

Researchers outline the current state of potassium-ion battery technology

A trio of researchers with the University of Wollongong, in Australia, has published an outline of the current state of potassium-ion battery technology. In their Review piece published in the journal Science Advances, Wenchao Zhang, Yajie Liu, and Zaiping Guo highlight the curre … | Continue reading


@phys.org | 5 years ago

Two types of mid-latitude wave trains lead to extreme heat in South Korea and southern-central Japan

Global climate change has strongly increased the worldwide frequency of extreme heat (EH) in recent decades. South Korea and southern-central Japan are also frequently affected by extreme heat, and the extreme heat in these two regions tend to occur simultaneously. A scientific c … | Continue reading


@phys.org | 5 years ago

How to pop open soft nanoparticles using sound waves

Ultrasound has long been an important tool for medical imaging. Recently, medical researchers have demonstrated that focused ultrasound waves can also improve the delivery of therapeutic agents such as drugs and genetic material. The waves form bubbles that make cell membranes—as … | Continue reading


@phys.org | 5 years ago

The building blocks for astronomically literate citizens

What does it mean for a citizen to be literate in astronomy? Astronomers who participate in outreach to the general public experience various degrees of astronomical knowledge among people. But so far, there had not been a systematic evaluation and definition of what astronomical … | Continue reading


@phys.org | 5 years ago

Dual-action 'slippery' catheter fights bacteria

A super-slippery coating being developed at a University of Wisconsin–Madison lab could benefit medical catheters, factory equipment, and even someday, oil tankers. | Continue reading


@phys.org | 5 years ago

Avoid the politics and let artificial intelligence decide your vote in the next election

If trust in our politicians is at an all time low, maybe it's time to reconsider how we elect them in the first place. | Continue reading


@phys.org | 5 years ago

Electric cars: Current trends make for a shocking change

While vehicle manufacturers invest in research, authorities are working to improve charging infrastructure to support consumers' growing interest in the sector. The day when electric cars dominate the passenger transport market no longer seems quite so distant. | Continue reading


@phys.org | 5 years ago

Drilling for oil in the Great Australian Bight would be disastrous for marine life and the local community

The Great Australian Bight is home to a unique array of marine life. More than 85% of species in this remote stretch of rocky coastline are not found anywhere else in the world. It's also potentially one of "Australia's largest untapped oil reserves," according to Norwegian energ … | Continue reading


@phys.org | 5 years ago

Crowded trains? City planning focus on cars misses new apartment impacts

Wondering why you can't get a seat on the train? Perhaps it's because we don't actually know how many extra people will use public transport when new building developments are planned. As a result, you're probably in for a bit of a crush. | Continue reading


@phys.org | 5 years ago

Street food vendors resist and adapt to changing society

Street food vendors are ubiquitous in low- and middle-income countries. They offer up quick, cheap and diverse food and drink, while also serving as sources of employment and socialization. Yet because the stalls block sidewalks and supposedly drag down real estate values, urbani … | Continue reading


@phys.org | 5 years ago

A metal sheet stamping simulation promises improved car part production

The process of stamping metal sheets to create parts used in automotive products such as car doors has received a virtual upgrade in the form of a simulation method devised by Kanazawa University-based researchers. Their simulation can be used to optimize a metal stamping press i … | Continue reading


@phys.org | 5 years ago

First international blockchain for science: Bloxberg

Securing scientific information online and worldwide with no risk of manipulation is now possible, thanks to the decentralized blockchain infrastructure Bloxberg. | Continue reading


@phys.org | 5 years ago

Mosquito protein controls blood feeding

Biting insects use a range of tools when sucking blood from hosts to maximize their chances of a good meal. Only female mosquitos feed on blood, which provides a high level of nutrients for egg production. The saliva of biting insects contains proteins that stop host blood from c … | Continue reading


@phys.org | 5 years ago

Recreating ancient minerals

When it comes to making a lasting impression in geological history, the medium makes all the difference, especially in the Earth's paleo-oceans. Here, during the Archean Eon (4,000-2,500 million years ago) and at times during the Proterozoic (2,500-541 million years ago), when ox … | Continue reading


@phys.org | 5 years ago

How soil carbon can help tackle climate change

Maintaining soil organic matter is critical to tackling climate change because soil organic matter is rich in carbon. Soil carbon is also the keystone element controlling soil health, which enables soils to be resilient as droughts and intense rainfall events increasingly occur. | Continue reading


@phys.org | 5 years ago

How financial initiatives that tackle global warming can make a real impact

Awareness and concern over climate change and its impacts has risen sharply in recent years. According to a December 2018 survey by Yale University, 73 percent of Americans now say that global warming is real, up 10 percentage points in just three years. Investors have followed, … | Continue reading


@phys.org | 5 years ago

Forecasting the hunt for the first supermassive black holes

It is believed that the formation and growth of most galaxies across the history of the universe has been fueled by supermassive black holes growing together with their host galaxy as they collect matter to attain millions of solar masses. Chasing the early stages of these extrem … | Continue reading


@phys.org | 5 years ago

Amazon to employees: We'll pay you to quit and haul packages

Amazon, which is racing to deliver packages faster, is turning to its employees with a proposition: Quit your job and we'll help you start a business delivering Amazon package. | Continue reading


@phys.org | 5 years ago

China auto sales slump continues in April

China car sales fell 14.6 percent in April, an official industry association said on Monday, extending a slump in a massive auto market that has long been a cash cow for the industry. | Continue reading


@phys.org | 5 years ago

Give 'em shell: turtles stick neck out for Japan rice forecast

In an ancient ceremony that occurs only once every imperial era, Japanese palace courtiers in traditional robes and hats decided on Monday where best to grow royal rice—using shells from endangered turtles. | Continue reading


@phys.org | 5 years ago

Indigenous Australians take government to UN over climate change

Indigenous residents of low-lying islands off northern Australia will submit a landmark complaint with the United Nations on Monday accusing the government of violating their human rights by failing to tackle climate change. | Continue reading


@phys.org | 5 years ago