Hundreds of unrecognized halogenated contaminants discovered in polar bear serum

Using a new approach to measure chemical contaminants in polar bears, scientists from Canada and the United States found a large variety of new chlorinated and fluorinated substances, including many new polychlorinated biphenyl metabolites. Worryingly, these previously unrecogniz … | Continue reading


@phys.org | 5 years ago

Linguistic study finds 'the I's have it' when it comes to education rates

"I learn", "you learn", "she learns", "they learn", yet, according to a surprising new linguistic study, in countries where the dominant language allows personal pronouns such as 'I' to be omitted, learning suffers. | Continue reading


@phys.org | 5 years ago

The water in Saturn's rings and satellites is like that on Earth except for moon Phoebe, which is out of this world

By developing a new method for measuring isotopic ratios of water and carbon dioxide remotely, scientists have found that the water in Saturn's rings and satellites is unexpectedly like water on the Earth, except on Saturn's moon Phoebe, where the water is more unusual than on an … | Continue reading


@phys.org | 5 years ago

First jellyfish genome reveals ancient beginnings of complex body plan

Jellyfish undergo an amazing metamorphosis, from tiny polyps growing on the seafloor to swimming medusae with stinging tentacles. This shape-shifting has served them well, shepherding jellyfish through more than 500 million years of mass extinctions on Earth. | Continue reading


@phys.org | 5 years ago

In death, Lonesome George reveals why giant tortoises live so long

Lonesome George's species may have died with him in 2012, but he and other giant tortoises of the Galapagos are still providing genetic clues to individual longevity through a new study by researchers at Yale University, the University of Oviedo in Spain, the Galapagos Conservanc … | Continue reading


@phys.org | 5 years ago

Nanoscale tweezers can perform single-molecule 'biopsies' on individual cells

Using electrical impulses, the 'tweezers' can extract single DNA, proteins and organelles from living cells without destroying them. | Continue reading


@phys.org | 5 years ago

Prescribed burning not as damaging as previously thought

New research by the University of Liverpool has found that prescribed burning, a controversial technique where fires are intentionally used to manage vegetation, is not as damaging to peat growth as previously thought if carried out on a sensible rotation, and can produce several … | Continue reading


@phys.org | 5 years ago

Scientists detect biggest known black-hole collision

An international team of scientists have detected ripples in space and time, known as gravitational waves, from the biggest known black-hole collision that formed a new black hole about 80 times larger than the Sun – and from another three black-hole mergers. | Continue reading


@phys.org | 5 years ago

Graphene unlocks new potential for 'smart textiles'

The quest to create affordable, durable and mass-produced 'smart textiles' has been given fresh impetus through the use of the wonder material Graphene. | Continue reading


@phys.org | 5 years ago

NASA's first asteroid sample-collector nears target, Bennu

NASA's first-ever mission designed to visit an asteroid and return a sample of its dust back to Earth arrives Monday at its destination, Bennu, two years after launching from Cape Canaveral, Florida. | Continue reading


@phys.org | 5 years ago

Precisely fitting bone implants from the printer

Cancerous tumors, infections or bad fractures can make it necessary to surgically remove bones and insert implants in their place. In collaboration with European partners, Fraunhofer researchers have now developed a technique with which bone implants that are precisely fitting, s … | Continue reading


@phys.org | 5 years ago

Covert infrared image encoding—hiding in plasmonic sight

Plasmonic materials can uniquely control the electromagnetic spectrum due to nano-scale surface architecture. Recent advances in nanotechnology and materials science and their combined capacity to develop controlled geometries at the nano-scale continue to evolve, as observed wit … | Continue reading


@phys.org | 5 years ago

The more male gorillas look after young, the more young they're likely to have

Paternal care – where fathers care for their children – is rare among mammals (that is, animals which give birth to live young). Scientists have identified more than 6,000 mammal species, but paternal care only occurs in 5 to 10% of them. | Continue reading


@phys.org | 5 years ago

Imec reports for the first time direct growth of 2-D materials on 300mm wafers

This week, at the 2018 IEEE International Electron Devices Meeting (IEDM), imec, the world-leading research and innovation hub in nanoelectronics and digital technologies, presents a 300mm-wafer platform for MOSFET devices with 2-D materials. 2-D materials could provide the path … | Continue reading


@phys.org | 5 years ago

Creating digital twins of materials

To ensure the digital networking of production systems and the optimization of material-specific requirements, we need to measure, analyze and replicate the changes in material properties in a process in which "digital twins" of materials are created. The materials data space dev … | Continue reading


@phys.org | 5 years ago

Novel color sensors are less expensive to manufacture

In the FOWINA project, the Fraunhofer Institute for Integrated Circuits IIS in Erlangen and the Fraunhofer Institute for Silicate Research ISC in Würzburg have developed novel color sensors with a special microlens arrangement. The sensors can be realized directly on the chip and … | Continue reading


@phys.org | 5 years ago

Astronomers detect low-mass brown dwarf around A-type main-sequence star

Using HATSouth Exoplanet Survey, an international group of astronomers has discovered a low-mass brown dwarf transiting an A-type main-sequence star. The newly detected brown dwarf, designated HATS-70b, is the first such object found around a star of this type. The finding is det … | Continue reading


@phys.org | 5 years ago

Who will decide which students get into college—a committee or a computer?

It's crunch time for college applications, and hopeful high school seniors are working hard to impress admissions committees to land a spot at the school of their choice. | Continue reading


@phys.org | 5 years ago

Chemist develop egg-like nanoreactors from titanium dioxide and graphene

A RUDN chemist has developed a new method for synthesizing "yolk-shell" nanoparticles on the basis of titanium dioxide and graphene. The complex structure of the new particles allowed the scientists to carry out a selective oxidation for aldehyde production for many hours without … | Continue reading


@phys.org | 5 years ago

An artificial Proba-2 view of the solar north pole

We've sent numerous missions into space to study the Sun; past and present solar explorers include ESA's Proba-2 (PRoject for OnBoard Autonomy 2) and SOHO (SOlar Heliospheric Observatory) probes, NASA's SDO and STEREO missions (the Solar Dynamics Observatory and Solar Terrestrial … | Continue reading


@phys.org | 5 years ago

Charting a course for astronaut safety as NASA launches to the Moon and to Mars

In the next decade, NASA aims to launch humankind toward the moon and on to Mars—a monumental step in crewed space travel. Such a journey is filled with challenges and perils, not unlike those faced by the first explorers to cross the ocean. However, instead of stormy seas, these … | Continue reading


@phys.org | 5 years ago

New global survey highlights bribery and corruption in businesses

While progress has been made, improvements to companies' anti-bribery and corruption strategies are still needed, according to the 2018 Global White Collar Crime Survey, which has been launched by The University of Manchester and global law firm White & Case LLP. | Continue reading


@phys.org | 5 years ago

Screening the human future: YouTube, persuasion and genetically engineered children

On Sunday, Nov. 25, the scientist He Jiankui claimed the birth of the world's first genetically engineered children: twins, created by IVF, their DNA altered at fertilization. Changes like these, because they're inheritable – "editing the germline" – are widely prohibited by law … | Continue reading


@phys.org | 5 years ago

Cycle lanes and walkways cut car use, reduce emissions, study finds

Researchers have shown for the first time that investing in cycle lanes and walkways encourages people to drive less and cuts carbon emissions. | Continue reading


@phys.org | 5 years ago

How do stellar binaries form?

Most stars with the mass of the sun or larger have one or more companion stars, but when and how these multiple stars form is one of the controversial central problems of astronomy. Gravity contracts the natal gas and dust in an interstellar cloud until clumps develop that are de … | Continue reading


@phys.org | 5 years ago

COP24: How a plastics treaty could clean up our oceans

It seems new action to tackle plastic pollution is announced every week, from the 5p plastic bag charge to governments debating a tax on plastic packaging. Businesses are also showing their green credentials as major supermarkets pledge to reduce plastic packaging alongside some … | Continue reading


@phys.org | 5 years ago

Deepwater corals thrive at the bottom of the ocean, but can't escape human impacts

When people think of coral reefs, they typically picture warm, clear waters with brightly colored corals and fishes. But other corals live in deep, dark, cold waters, often far from shore in remote locations. These varieties are just as ecologically important as their shallow wat … | Continue reading


@phys.org | 5 years ago

Wild yeasts may hold key to better wines from warmer climates

Researchers at the University of Adelaide have found yeasts that naturally occur on wine grapes may improve wines produced in warmer climates. Up until now the use of these 'natural' or 'wild' yeasts during the production process has mostly been discouraged by wine makers. | Continue reading


@phys.org | 5 years ago

New mudweed species threatens Hawaiʻi marine environments

A team of scientists led by researchers from the University of Hawai'i at Mānoa Department of Botany has discovered two populations of a new species of leather mudweed or Avrainvillea erecta, a widespread tropical algae, which may pose a threat to Hawai'i's marine environments. | Continue reading


@phys.org | 5 years ago

Analysis of 6000-year-old earthenware bowl shows Mesolithic people were better at cooking than thought

A team of researchers with the Max Planck Institute of Molecular Cell Biology and Genetics and the Brandenburgisches Landesamt für Denkmalpflege und Archaeologisches Landesmuseum, both in Germany, has found evidence that suggests Mesolithic people ate much better than previously … | Continue reading


@phys.org | 5 years ago

Autophagy has remarkable influence on plant metabolism—even in healthy growing conditions

Reduce, reuse, recycle. Or just stick with recycle. | Continue reading


@phys.org | 5 years ago

The force of the vacuum

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@phys.org | 5 years ago

Chemists create new diagnostic method for difficult climate conditions

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@phys.org | 5 years ago

LCO and NASA's Kepler work together to determine origins of supernova

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@phys.org | 5 years ago

Knowing exactly what genes are saying – and where

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@phys.org | 5 years ago

Tracing iron in the North Pacific

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@phys.org | 5 years ago

Massive need for growing trees on farms

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@phys.org | 5 years ago

Evolution sans mutation discovered in single-celled archaea

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@phys.org | 5 years ago

Understanding 'green' consumers key to business success

Massey University Ph.D. graduate Dr. Fred Angels Musika set out to develop a reliable way of measuring green consumer consciousness to better understand the decision-making processes of this growing market segment. | Continue reading


@phys.org | 5 years ago

Interpretability and performance: Can the same model achieve both?

Interpretability and performance of a system are usually at odds with each other, as many of the best-performing models (viz. deep neural networks) are black box in nature. In our work, Improving Simple Models with Confidence Profiles, we try to bridge this gap by proposing a met … | Continue reading


@phys.org | 5 years ago

Nanotechnology solution for photovoltaic systems

Photovoltaic (PV) systems, which harvest sustainable and clean energy from the sun, accumulate dirt or particles like dust, water and sand. This build-up leads to a reduction in the light energy reaching the solar cells and lowers their power output by up to 50%, according to som … | Continue reading


@phys.org | 5 years ago

Dual 8-bit breakthroughs bring AI to the edge

This week, at the International Electron Devices Meeting (IEDM) and the Conference on Neural Information Processing Systems (NeurIPS), IBM researchers will showcase new hardware that will take AI further than it's been before: right to the edge. Our novel approaches for digital a … | Continue reading


@phys.org | 5 years ago

How a candidate's looks may be swinging your vote (without you even realising it)

If someone asks you why you chose the election candidate you voted for, you will likely have a good answer. Maybe you agree with the candidate's policy stances. Maybe you support his/her party. Maybe you are tired of the corruption, bad policies, or inaction of the people in powe … | Continue reading


@phys.org | 5 years ago

Great strides for carbon capture using earth-abundant elements as photocatalytic system

Researchers at Tokyo Institute of Technology have designed a CO2 reduction method based only on commonly occurring elements. Achieving a 57 percent overall quantum yield of CO2 reduction products, it is the highest performing system of its kind reported to date, raising prospects … | Continue reading


@phys.org | 5 years ago

A bastard seal from the past reveals the potential for human hybrids

Almost 90 years ago on a freezing January morning, the keepers of the Stockholm Zoo in Sweden discovered a dead seal pup in their seal pond. The pup was immediately recognized as a bastard—a hybrid between species that should not interbreed. Only two grey seal males and one ringe … | Continue reading


@phys.org | 5 years ago

Curiosity to study possible meteorite on Mars surface

Curiosity woke up to Mr Rogers' "Please would you be my neighbour" this morning to welcome InSight, and then got busy at the Highfield drill site. Curiosity will dump the Highfield sample, which requires several MAHLI looks and an APXS operation, but the plan also requires swingi … | Continue reading


@phys.org | 5 years ago

Generation Share: Why more older Australians are living in share houses

An increasing number of older Australians are living in share housing. A relatively new group to emerge on the share-housing scene, they are choosing to share for financial reasons, but finding unexpected social benefits. | Continue reading


@phys.org | 5 years ago

Salt-evolved zooplankton grow too slowly to block salt-induced algal blooms

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@phys.org | 5 years ago