UN chief's call to 'save the Pacific to save the world'

UN Secretary-General Antonio Guterres said it was vital "to save the Pacific to save the world" as he wrapped up his brief South Pacific tour in Vanuatu on Saturday. | Continue reading


@phys.org | 5 years ago

As bitcoin gyrates, less euphoria in evidence at blockchain gathering

The vibe at a gathering this week for blockchain enthusiasts felt decidedly less exuberant than its predecessor a year ago after dizzying swings in bitcoin. | Continue reading


@phys.org | 5 years ago

Air pollution hotspots in Europe

Big cities beset with gridlocked traffic, major regions producing coal, pockets of heavy industry encased by mountains—Europe's air pollution hotspots are clearly visible from space on most sunny weekdays. | Continue reading


@phys.org | 5 years ago

Life goes on under cloud of smog in Mexico City

Scientists say breathing the heavily polluted air in Mexico City these days is like smoking somewhere between a quarter- and a half-pack of cigarettes a day. | Continue reading


@phys.org | 5 years ago

After the Moon, people on Mars by 2033... or 2060

On December 11, 2017, US President Donald Trump signed a directive ordering NASA to prepare to return astronauts to the Moon "followed by human missions to Mars and other destinations." | Continue reading


@phys.org | 5 years ago

EU adopts powers to respond to cyberattacks

The European Union on Friday adopted powers to punish those outside the bloc who launch cyberattacks that cripple hospitals and banks, sway elections and steal company secrets or funds. | Continue reading


@phys.org | 5 years ago

Nanoscale sculpturing leads to unusual packing of nanocubes

From the ancient pyramids to modern buildings, various three-dimensional (3-D) structures have been formed by packing shaped objects together. At the macroscale, the shape of objects is fixed and thus dictates how they can be arranged. For example, bricks attached by mortar retai … | Continue reading


@phys.org | 5 years ago

Polymers jump through hoops on pathway to sustainable materials

Recyclable plastics that contain ring-shaped polymers may be a key to developing sustainable synthetic materials. Despite some promising advances, researchers said, a full understanding of how to processes ring polymers into practical materials remains elusive. In a new study, re … | Continue reading


@phys.org | 5 years ago

Dangerous pathogens use this sophisticated machinery to infect hosts

Gastric cancer, Q fever, Legionnaires' disease, whooping cough—though the infectious bacteria that cause these dangerous diseases are each different, they all utilize the same molecular machinery to infect human cells. Bacteria use this machinery, called a Type IV secretion syste … | Continue reading


@phys.org | 5 years ago

Machine learning speeds modeling of experiments aimed at capturing fusion energy on Earth

Machine learning (ML), a form of artificial intelligence that recognizes faces, understands language and navigates self-driving cars, can help bring to Earth the clean fusion energy that lights the sun and stars. Researchers at the U.S. Department of Energy's (DOE) Princeton Plas … | Continue reading


@phys.org | 5 years ago

Manipulating atoms one at a time with an electron beam

The ultimate degree of control for engineering would be the ability to create and manipulate materials at the most basic level, fabricating devices atom by atom with precise control. | Continue reading


@phys.org | 5 years ago

HP Enterprise buying supercomputer star Cray

Hewlett Packard Enterprise (HPE) on Friday announced a $1.3 billion deal to buy supercomputer maker Cray, part of a move to expand into data analysis from connected devices . | Continue reading


@phys.org | 5 years ago

Fuel subsidies defy green trend amid rising climate alarm

Even as warnings of climate catastrophe and calls for greener economies grow ever louder, the world is still spending hundreds of billions of dollars every year to subsidise the fossil fuels that are causing the planet to overheat. | Continue reading


@phys.org | 5 years ago

Dirty data: Firms count environmental costs of digital planet

Technology is often touted as a solution to the world's environmental challenges, but it is also part of the problem: industry executives are facing rising pressure to clean up their energy and resource-intensive business. | Continue reading


@phys.org | 5 years ago

Facebook breakup could boost China rivals: Sandberg

Facebook chief operating officer Sheryl Sandberg said Friday a breakup of big US technology would not address "underlying issues" facing the sector and suggested that such a move could help rivals in China. | Continue reading


@phys.org | 5 years ago

Metals influence C-peptide hormone related to insulin

Metals such as zinc, copper and chromium bind to and influence a peptide involved in insulin production, according to new work from chemists at the University of California, Davis. The research is part of a new field of "metalloendocrinology" that takes a detailed look at the rol … | Continue reading


@phys.org | 5 years ago

Lunar South Pole Atlas—a new online reference for mission planners

The Lunar and Planetary Institute (LPI), managed by Universities Space Research Association (USRA), has compiled and made available an atlas of the Moon's south pole. Given NASA's recent direction to implement Space Policy Directive-1 landing astronauts at the south pole by 2024, … | Continue reading


@phys.org | 5 years ago

Ultra-clean fabrication platform produces nearly ideal 2-D transistors

Semiconductors, which are the basic building blocks of transistors, microprocessors, lasers, and LEDs, have driven advances in computing, memory, communications, and lighting technologies since the mid-20th century. Recently discovered two-dimensional materials, which feature man … | Continue reading


@phys.org | 5 years ago

Earliest evidence of the cooking and eating of starch

New discoveries made at the Klasies River Cave in South Africa's southern Cape, where charred food remains from hearths were found, provide the first archaeological evidence that anatomically modern humans were roasting and eating plant starches, such as those from tubers and rhi … | Continue reading


@phys.org | 5 years ago

Researchers unravel mechanisms that control cell size

Working with bacteria, a multidisciplinary team at the University of California San Diego has provided new insight into a longstanding question in science: What are the underlying mechanisms that control the size of cells? | Continue reading


@phys.org | 5 years ago

Researchers develop novel framework for tracking developments in optical sensors

Plasmonics and photonics have been drawing attention in both academia and industry due to their use in an extensive range of applications, one of which includes optical sensing. The development of optical sensing technology not only contributes to the scientific research communit … | Continue reading


@phys.org | 5 years ago

Museum volunteers discover new species of extinct heron at North Florida fossil site

When the bones of an ancient heron were unearthed at a North Florida fossil site, the find wasn't made by researchers but by two Florida Museum of Natural History volunteers. | Continue reading


@phys.org | 5 years ago

Sedimentary, dear Johnson: Is NASA looking at the wrong rocks for clues to Martian life?

In 2020, NASA and European-Russian missions will look for evidence of past life on Mars. But while volcanic, igneous rock predominates on the Red Planet, virtually the entire Earth fossil record comes from sedimentary rocks. | Continue reading


@phys.org | 5 years ago

Ernst Haeckel: Pioneer of modern science

"By ecology, we understand the whole science of the organism's relationship with the surrounding outside world, which includes in a broader sense all 'existential conditions'. These are partly organic and partly inorganic in nature; both the former and the latter are, as we have … | Continue reading


@phys.org | 5 years ago

Human capital benefits of military boost economy by billions

A recent study from North Carolina State University finds that U.S. government spending on military personnel has a positive impact on the nation's human capital—essentially improving the American workforce. Using a new computer model, the study estimates the economic impact of t … | Continue reading


@phys.org | 5 years ago

Changes in subsistence hunting threaten local food security

Scientists with the Universidad San Francisco de Quito and WCS Ecuador Program publishing in the journal BioTropica say that subsistence hunting in Neotropical rain forests—the mainstay of local people as a source of protein and a direct connection to these ecosystems—is in jeopa … | Continue reading


@phys.org | 5 years ago

'Brand Me' presentations increase students' confidence and enhance their employability

The University of Portsmouth is helping its students build a strong personal brand to increase their confidence and enhance their employability. | Continue reading


@phys.org | 5 years ago

What's behind the belief in a soulmate?

The United States appears to be in a romantic slump. Marriage rates have plummeted over the last decade. And compared to previous generations, young single people today are perhaps spending more time on social media than actual dating. They are also having less sex. | Continue reading


@phys.org | 5 years ago

Making the best of sparse information

New findings reported by LMU researchers challenge a generally accepted model of echolocation in bats. They demonstrate that bats require far less spatial information than previously thought to navigate effectively. | Continue reading


@phys.org | 5 years ago

Cyber attacks are rewriting the 'rules' of modern warfare—and we aren't prepared for the consequences

Governments are becoming ever more reliant on digital technology, making them more vulnerable to cyber attacks. In 2007, Estonia was attacked by pro-Russian hackers who crippled government servers, causing havoc. Cyber attacks in Ukraine targeted the country's electricity grid, w … | Continue reading


@phys.org | 5 years ago

Extraordinarily transparent compact metallic metamaterials

In materials science, achromatic optical components can be designed with high transparency and low dispersion. Materials scientists have shown that although metals are highly opaque, densely packed arrays of metallic nanoparticles with more than 75 percent metal by volume can bec … | Continue reading


@phys.org | 5 years ago

Earthquake in 2009 intensified American Samoa's rising sea levels

The 2009, magnitude-8.1 Samoa earthquake dealt a great deal of damage to the Samoan Islands: Tsunami waves as high as 14 meters (46 feet) wiped out multiple villages, claiming nearly 200 lives and severely damaging water and electrical systems. | Continue reading


@phys.org | 5 years ago

Mission control 'saves science'

Every minute, ESA's Earth observation satellites gather dozens of gigabytes of data about our planet—enough information to fill the pages on a 100-metre long bookshelf. Flying in low-Earth orbits, these spacecraft are continuously taking the pulse of our planet, but it's teams on … | Continue reading


@phys.org | 5 years ago

New computer program can help crack precision medicine

Researchers from ANU have helped develop a new computer program to find out a person's genetic make-up, bringing us a step closer to an era of precision medicine. | Continue reading


@phys.org | 5 years ago

Healthcare, social media and a web of moral issues

"Ethics asks what we owe to one another and how we should treat one another. The internet has changed the landscape in which we, as humans, relate, and ethicists need to keep pace," explains Assistant Professor of Philosophy Moti Gorin. | Continue reading


@phys.org | 5 years ago

NIST team demonstrates heart of next-generation chip-scale atomic clock

Physicists at the National Institute of Standards and Technology (NIST) and partners have demonstrated an experimental, next-generation atomic clock—ticking at high "optical" frequencies—that is much smaller than usual, made of just three small chips plus supporting electronics a … | Continue reading


@phys.org | 5 years ago

Engineered microbial production of grape flavoring

Researchers report a microbial method for producing an artificial grape flavor. Methyl anthranilate (MANT) is a common grape flavoring and odorant compound currently produced through a petroleum-based process that uses large volumes of toxic acid catalysts. | Continue reading


@phys.org | 5 years ago

Ocean twilight zone scientists tackle the challenge of bringing light into darkness

Oceanographers studying creatures in the ocean twilight zone are facing an optical dilemma. They need to observe the fish in order to study them, but at ocean depths of 200 meters and beyond, there's very little natural light trickling down from the surface. This means that subme … | Continue reading


@phys.org | 5 years ago

Germany green-lights e-scooters on roads, not pavements

Germany on Friday authorised battery-powered scooters on its streets and cycle paths but banned them from pavements to protect pedestrians as the two-wheeled craze continues to spread across Europe. | Continue reading


@phys.org | 5 years ago

China creates app to recognize Pandas

China has developed an app that allows conservationists to identify individual pandas using facial recognition technology, state-run Xinhua news agency reported Friday. | Continue reading


@phys.org | 5 years ago

Alibaba faces consumer complaints in Europe

Six European consumer rights associations said Friday they have asked national authorities to look into illegal practices by firms using the AliExpress site of Chinese e-commerce giant Alibaba. | Continue reading


@phys.org | 5 years ago

Hydropower dams can harm coastal areas far downstream

Thousands of hydroelectric dams are under construction around the world, mainly in developing countries. These enormous structures are one of the world's largest sources of renewable energy, but they also cause environmental problems. | Continue reading


@phys.org | 5 years ago

Why decarbonizing marine transportation might not be smooth sailing

About 60,000 merchant ships sail the world's oceans, including container ships, oil tankers and dry bulk carriers loaded with everything from grain to coal. Most operate on carbon-rich fuels such as heavy diesel, and their emissions have negative environmental impacts, are harmfu … | Continue reading


@phys.org | 5 years ago

Selective application of contraceptives may be most effective pest control

Since the mid-20th century, the global human population has grown from 2.5 billion to 7.7 billion, according to the most recent United Nations estimate. Much of this growth was due to the unprecedented agricultural expansion made possible by the widespread use of synthetic pestic … | Continue reading


@phys.org | 5 years ago

How Japan's renewables-powered Olympics could kick off a global race for clean energy

Japan is aiming to host the first Olympic Games powered solely by renewable sources. If successful, this could help the country carve a new niche in the global order as a champion of climate action and environmental protection – and set off a clean energy race in the process. | Continue reading


@phys.org | 5 years ago

Climate a driver of language diversity

A region's climate has a greater impact than landscape on how many languages are spoken there, new research from The Australian National University (ANU) shows. | Continue reading


@phys.org | 5 years ago

Why is the Pentagon interested in UFOs?

U.S. Navy pilots and sailors won't be considered crazy for reporting unidentified flying objects, under new rules meant to encourage them to keep track of what they see. Yet just a few years ago, the Pentagon reportedly shut down another official program that investigated UFO sig … | Continue reading


@phys.org | 5 years ago

Cell polarity: An aurora over the pole

Even before the fertilised egg or zygote can start dividing into daughter cells that form the future tissues and organs during the development of a multicellular organism, the symmetrical zygote needs to become asymmetrical or polarised in shape and molecular organisation. The ma … | Continue reading


@phys.org | 5 years ago