Toward zero hunger: More food or a smarter food system?

When thinking about ways to end global hunger, many scholars focus too narrowly on increasing crop yields while overlooking other critical aspects of the food system. | Continue reading


@phys.org | 5 years ago

3-D grayscale digital light printing (g-DLP) highly functionally graded materials (FGM)

Three-dimensional (3-D) printing or additive manufacture (AM) is a popular technique that has presently attracted tremendous attention as a promising method to revolutionize design and manufacture. Researchers have expanded its applications from rapid prototyping to tissue engine … | Continue reading


@phys.org | 5 years ago

A method to determine magnon coherence in solid-state devices

A team of researchers at Utrecht University, the Norwegian University of Science and Technology and the University of Konstanz has recently proposed a new method to determine magnon coherence in solid-state devices. Their study, outlined in a paper published in Physical Review Le … | Continue reading


@phys.org | 5 years ago

Stellar waltz with dramatic ending

Astronomers at the University of Bonn and their colleagues from Moscow have identified an unusual celestial object. It is most likely the product of the fusion of two stars that died a long time ago. After billions of years circling around each other these so-called white dwarfs … | Continue reading


@phys.org | 5 years ago

A better way to use atomic force microscopy to image molecules in 3-D

A team of researchers at Justus Liebig University Giessen has found a way to dramatically improve the images of topologically complex 3-D molecules created using atomic force microscopy (AFM). In their paper published in the journal Physical Review Letters, the group describes th … | Continue reading


@phys.org | 5 years ago

Researchers develop the first functional non-native metal hydrogenase

Hydrogenases are enzymes that catalyze hydrogen activation. There are three types of hydrogenases in nature, all containing iron and some of them nickel. But in synthetic chemistry there is a whole host of metals that can activate molecular hydrogen and catalyze hydrogenation rea … | Continue reading


@phys.org | 5 years ago

Life and death in bacterial communities

The coastal waters of the Red Sea have enough resources to support bacterial growth, but predation by protistan grazers limits the population, according to new research from KAUST. Since bacteria are vital players in the marine food web, determining the factors that affect their … | Continue reading


@phys.org | 5 years ago

2-metre sea level rise 'plausible' by 2100: study

Global sea levels could rise by two metres (6.5 feet) and displace tens of millions of people by the end of the century, according to new projections that double the UN's benchmark estimates. | Continue reading


@phys.org | 5 years ago

Rhinoceros at Chicago's Lincoln Park Zoo gives birth to calf

Chicago's Lincoln Park Zoo says an eastern black rhinoceros named Kapuki has given birth to a calf. | Continue reading


@phys.org | 5 years ago

Astrobee's first robot completes initial hardware checks in space

NASA astronaut Anne McClain performs the first series of tests of an Astrobee robot, Bumble, during a hardware checkout. To her right is the docking station that was installed in the Kibo module on the International Space Station on Feb. 15. Bumble, and another robot named Honey, … | Continue reading


@phys.org | 5 years ago

Scientists use giant telescope on sea floor to study rays from space

Curtin University researchers are part of an international project that will use a huge underwater neutrino telescope at the bottom of the Mediterranean Sea to help explain some of the most powerful and mysterious events in the universe. | Continue reading


@phys.org | 5 years ago

Water formation on the moon

For the first time, a cross-disciplinary study has shown chemical, physical, and material evidence for water formation on the moon. Two teams from the University of Hawaiʻi at Mānoa collaborated on the project: physical chemists at the UH Mānoa Department of Chemistry's W.M. Keck … | Continue reading


@phys.org | 5 years ago

19 EU member states record nitrogen dioxide concentrations above the annual limit value in 2018

Air pollution is a global environmental health problem, especially for those living in urban areas. Not only does it negatively impact our ecosystems, it considerably affects our health. According to the World Health Organization (WHO), around 8 million premature deaths per year … | Continue reading


@phys.org | 5 years ago

New Josephson junction study links quantum theory to experiment

The Josephson junction is one of the most important elements in turning quantum phenomena into usable technology. | Continue reading


@phys.org | 5 years ago

Fighting counterfeit with carbon nanotubes

The ubiquity of electronic devices makes it essential to use encryption and anti-counterfeiting tools to protect the privacy and security of users. With the growing expansion of the Internet of Things, protection against attacks that violate the authenticity of products is increa … | Continue reading


@phys.org | 5 years ago

Brown dwarfs are formed in the same way as sun-like stars

Astronomers have discovered a so-called proto-disc around the proto-brown dwarf Mayrit. With this discovery, they were able to confirm for the first time that this celestial body was formed in the same way as sun-like stars. | Continue reading


@phys.org | 5 years ago

Lessons from the Moscow airport crash: leave your luggage behind

On May 5, 2019, an Aeroflot airliner crashed at Moscow's Sheremetyevo airport, killing 41 of the 73 passengers. The plane, a Sukhoi Superjet-100, was bound for the northern city of Murmansk, but turned around after reportedly being struck lightning and losing their autopilot and … | Continue reading


@phys.org | 5 years ago

The first extraterrestrial mud ball in 50 years

On April 23 at 9:09 p.m. local time, residents of Aguas Zarcas, a small town in Costa Rica, saw a large "fireball" in the sky. | Continue reading


@phys.org | 5 years ago

Climate change: sea level rise could displace millions of people within two generations

Antarctica is further from civilisation than any other place on Earth. The Greenland ice sheet is closer to home but around one tenth the size of its southern sibling. Together, these two ice masses hold enough frozen water to raise global mean sea level by 65 metres if they were … | Continue reading


@phys.org | 5 years ago

Migration is a growing issue, but it remains a challenge to define who actually is a migrant

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@phys.org | 5 years ago

Amyloid fibrils lit with near-infrared radiation found to emit a dim, near-infrared signal

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@phys.org | 5 years ago

Soil is the key to Earth's history (and future)

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@phys.org | 5 years ago

Researchers find evidence of negative emotional contagion in lab ravens

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@phys.org | 5 years ago

Six paths to the nonsurgical future of brain-machine interfaces

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@phys.org | 5 years ago

Bad marketing encourages consumers to opt for lower-quality products

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@phys.org | 5 years ago

Engineers design solutions to tackle low-frequency noise

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@phys.org | 5 years ago

Cities in the cloud

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@phys.org | 5 years ago

Air pollution affects tree growth in Sao Paulo

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@phys.org | 5 years ago

Study reveals link between sheep reproduction and infection

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@phys.org | 5 years ago

The mechanism of cellular migration mode switching

When faced with difficult terrain, off-road vehicles can switch from two- to four-wheel drive to keep moving forward. Similarly, cell migration can be driven either by protrusion-directed crawling, or by contractile pulling forces, but how the cell switches between these two meth … | Continue reading


@phys.org | 5 years ago

Teenagers need our support, not criticism, as they navigate life online

Imagine you're a 14-year-old girl on the train on your way home from school, when out of nowhere a "dick pic" appears on your phone. Surprise! You've been cyber flashed. | Continue reading


@phys.org | 5 years ago

Some of our foods contain nano particles—should we be worried?

We choose to spend money on household items based on how they look, feel and taste, and how we think they might make our lives better. | Continue reading


@phys.org | 5 years ago

How 'doping' boosts next-gen solar cells towards commercialisation

An international team of researchers has brought a new generation of solar cells a step closer to commercialisation, by showing how sunlight can trigger a 'healing process' in the cells to improve their efficiency and stability. | Continue reading


@phys.org | 5 years ago

All base units of measurement now tied to defined constants rather than physical objects

Scales aren't changing and the weather won't be noticeably different, but on May 20 the definitions that underlie what your scale and thermometer report—along with standard definitions used in chemistry and electronics—are undergoing a major overhaul. That's the date that a more- … | Continue reading


@phys.org | 5 years ago

A 'biomultimeter' to measure RNA and protein production in real-time

Builders of genetic circuits face the same quandary as builders of digital circuits: testing their designs. Yet unlike bioengineers, engineers have a simple and universal testing tool—the multimeter—that they can touch to their circuit to measure its performance. "There's nothing … | Continue reading


@phys.org | 5 years ago

Optical device decomposes a beam into a Cartesian grid of identical Gaussian spots

A research team has developed a light beam device that could lead to faster internet, clearer images of space and more detailed medical imaging. | Continue reading


@phys.org | 5 years ago

Plant discovery opens frontiers

University of Adelaide researchers have discovered a biochemical mechanism fundamental to plant life that could have far-reaching implications for the multibillion dollar biomedical, pharmaceutical, chemical and biotechnology industries. | Continue reading


@phys.org | 5 years ago

Staying in shape: MBL microscopy helps reveal how bacteria grow long, not wide

The slender, rod-shaped Bacillus subtilis is one of the best-studied bacteria in the world, a go-to system for exploring and understanding how bacteria grow, replicate and divide. One of its outstanding mysteries has been how it manages to keep its precise diameter while growing … | Continue reading


@phys.org | 5 years ago

Scientists use molecular tethers and chemical 'light sabers' to construct platforms for tissue engineering

Tissue engineering could transform medicine. Instead of waiting for our bodies to regrow or repair damage after an injury or disease, scientists could grow complex, fully functional tissues in a laboratory for transplantation into patients. | Continue reading


@phys.org | 5 years ago

Ultra-thin superlattices from gold nanoparticles for nanophotonics

Researchers led by Prof. Dr. Matthias Karg at the Institute of Physical Chemistry report a simple technique for developing highly ordered particle layers. The group worked with tiny, deformable spherical polymer beads with a hydrogel-like structure. Hydrogels are water-swollen, t … | Continue reading


@phys.org | 5 years ago

Huawei: US controls have 'no impact,' talking to Google

The founder of Huawei expressed confidence that Washington's curbs on sales to the Chinese tech giant will have little impact and said Tuesday it is discussing "emergency relief" with Google for possible loss of services for its smartphone business. | Continue reading


@phys.org | 5 years ago

In a first, researchers identify reddish coloring in an ancient fossil

Researchers have for the first time detected chemical traces of red pigment in an ancient fossil—an exceptionally well-preserved mouse, not unlike today's field mice, that roamed the fields of what is now the German village of Willershausen around 3 million years ago. | Continue reading


@phys.org | 5 years ago

'Plan B': Huawei's operating system headache after Android ban

Google's decision to partially cut off Huawei devices from its Android operating system has presented the Chinese tech titan with one of its most dramatic challenges yet: how to keep up with the competition if it cannot use the platform that powers nearly every other smartphone i … | Continue reading


@phys.org | 5 years ago

US fires arrow into Huawei's Achilles heel

The Trump administration's move to block US technology sales to Huawei shoots an arrow deep into the Chinese tech giant's Achilles heel—its over-reliance on American components—and threatens the company's very survival, analysts said. | Continue reading


@phys.org | 5 years ago

Stop it! Japan anti-groper app becomes smash hit

A Tokyo police smartphone app to scare off molesters has become a smash hit in Japan, where women have long run the gauntlet of groping on packed rush-hour trains. | Continue reading


@phys.org | 5 years ago

Seven things we've learned about Ultima Thule, the farthest place visited by humans

About a billion miles more distant than Pluto is Ultima Thule, a peanut-shaped object in the outer solar system that's the farthest place ever visited by humans. | Continue reading


@phys.org | 5 years ago

Rocket man: LSU Mechanical Engineering alumnus Max Faget remembered 50 years after moon landing

Apollo 11 Astronaut Neil Armstrong is rightfully remembered for taking man's first steps on the moon nearly 50 years ago on June 20, 1969. Less well known, perhaps, is LSU Mechanical Engineering alumnus Maxime "Max" Faget, who designed the spacecraft responsible for that "giant l … | Continue reading


@phys.org | 5 years ago

Could US wildfires be contributing to heart disease?

The destructive force of wildfires in the U.S. is well documented. Every year, on both the east and west coasts of the country, and due to both environmental and man-made factors, fires rage, and homes and habitats are destroyed. But beyond the obvious dangers, these fires cause … | Continue reading


@phys.org | 5 years ago