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251,477 articles from PhysOrg

Researchers discover new form of antimicrobial resistance

Australian researchers have uncovered a new form of antimicrobial resistance (AMR), undetectable using traditional laboratory testing methods, in a discovery set to challenge existing efforts to monitor and tackle one of the world's greatest health threats.

Panama confronts illegal trafficking of animals

In a tropical forest beside the Panama Canal, two black-handed spider monkeys swing about their wire enclosure, balanced by their long tails. They arrived at this government rehabilitation center after environmental authorities seized them from people who had been keeping them as pets.

Hawaii volcano eruption has some on alert, draws onlookers

The first eruption in 38 years of the world's largest active volcano is attracting onlookers to a national park for "spectacular" views of the event, and it's also dredging up bad memories among some Hawaii residents who have been through harrowing volcanic experiences in the past.

New study examines success of Monterey Bay Aquarium sea otter rehabilitation program

A new study, authored by experts at Monterey Bay Aquarium and their partners, examines the development of its landmark sea otter rehabilitation program and how it can support sea otter recovery and reintroduction. Published in the Journal of Zoological and Biological Gardens, the research recounts its successes and challenges, showing how the program benefits both species recovery and ecosystem...

New quantum computing feat is a modern twist on a 150-year-old thought experiment

A team of quantum engineers at UNSW Sydney has developed a method to reset a quantum computer—that is, to prepare a quantum bit in the '0' state—with very high confidence, as needed for reliable quantum computations. The method is surprisingly simple: it is related to the old concept of 'Maxwell's demon', an omniscient being that can separate a gas into hot and cold by watching the speed of...


Image: Hubble Telescope spies sparkling spray of stars in NGC 2660

This glittering group of stars, shining through the darkness like sparks left behind by a firework, is NGC 2660 in the constellation Vela, best viewed in the southern sky. NGC 2660 is an open cluster, a type of star cluster that can contain anywhere from tens to a few hundreds of stars loosely bound together by gravity.

NASA scientists create black hole jets with supercomputer

Leveraging the NASA Center for Climate Simulation (NCCS), NASA Goddard Space Flight Center scientists ran 100 simulations exploring jets—narrow beams of energetic particles—that emerge at nearly light speed from supermassive black holes. These behemoths sit at the centers of active, star-forming galaxies like our own Milky Way galaxy, and can weigh millions to billions of times the mass of the...

Researchers investigate neuron differentiation in fruit fly brains

The brains of all higher-order animals are filled with a diverse array of neuron types, with specific shapes and functions. Yet, when these brains form during embryonic development, there is initially only a small pool of cell types to work with. So how do neurons diversify over the embryo's development? Researchers know that neural stem cells called neuroblasts divide multiple times to...

Developing the low-energy ion spectrometer for the Chinese BeiDou-3 satellite

In our daily lives, we rely on weather forecasts to know whether it will rain tomorrow. The monitoring and prediction of space weather such as geomagnetic storms and substorms are also vital for the operation safety of satellites outside the atmosphere and the living conditions of astronauts in space. However, space weather is far more unpredictable than the weather on Earth, which depends on...

Most Asian countries are far behind biodiversity targets for protected areas, finds study of 40 countries

Protected areas are one of the most effective tools for safeguarding biodiversity, but new research published today has found that most Asian countries failed to achieve a global minimum target of protecting at least 17% of land by 2020. Under current trends, the outlook for achieving the Global Biodiversity Framework's 2030 target to protect at least 30% of land is bleak, with Asia set to miss...

Climate change will cause Pacific's low-oxygen zone to expand even more by 2100, study finds

For thousands of kilometers along the western coasts of the Americas, low-oxygen waters known as oxygen minimum zones stretch out into the Pacific Ocean. In part due to climate change, this oxygen-starved region is likely to get wider and deeper, expanding by millions of cubic kilometers by the end of the century, models in a new study predict. Larger oxygen minimum zones threaten marine...