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Phys.org / Coal pollution reaches one of Earth's most remote mountain regions

The Himalayas are often seen as one of Earth's great natural barriers, separating the heavily populated and industrialized regions of South Asia from the remote Tibetan Plateau. But new research, published in Geophysical ...

10 hours ago
Phys.org / An iron-driven chain reaction may trigger mass death of harmful algae blooms

Over recent decades, harmful algal blooms have become increasingly common. These blooms often consist of bacteria called "cyanobacteria" in freshwater ecosystems. They can produce debilitating toxins, suffocate marine life ...

15 hours ago
Phys.org / Ultraluminous X-ray source in Whale galaxy investigated for spectral and timing variability

Astronomers from Germany and Turkey have analyzed available data from various space telescopes to investigate an ultraluminous X-ray source designated X-4, which is located in the nearby galaxy NGC 4631. Results of the new ...

16 hours ago
Phys.org / Metal hydride molecule trapped with laser light opens path to ultracold hydrogen

Controlling and trapping molecules, units of a substance consisting of two or more chemically bound atoms, with laser light is significantly more challenging than trapping individual atoms. This is because molecules exhibit ...

20 hours ago
Phys.org / A single origin story for the Milky Way's most mysterious stars

Lurking at the heart of the Milky Way, Sagittarius A* (Sgr A*) is a supermassive black hole four million times the mass of the sun, surrounded by a puzzling collection of young, massive stars whose orbits have long defied ...

19 hours ago
Tech Xplore / Dog-bone design helps 2D nanoribbon transistors stay fast and efficient as widths shrink

Transistors, small semiconductor-based switches that control the flow of electricity, are central components of all electronic devices, from computers to smartphones, wearables, sensors and smart appliances. Over the past ...

16 hours ago
Medical Xpress / Some patient groups are far more vulnerable to near-perfect privacy attacks from medical AI

From detecting pneumonia on a chest X-ray to assessing whether a dark spot on the skin is benign or malignant, medical AI systems are playing an increasingly important role in clinical diagnosis. Unfortunately, the models ...

17 hours ago
Phys.org / Clean crystal surface lets single molecules hit ultimate quantum limit

Scientists at the Max Planck Institute for the Science of Light (MPL) have developed a technique for interrogating molecules on surfaces with spectroscopic precision, thereby reaching the ultimate quantum limit for the first ...

11 hours ago
Phys.org / By co-operating with local governments, organizations, universities have a vital role to play in tackling climate change

Governments, corporations and other institutions must all play constructive roles in mitigating the impacts of climate change. Universities, too, can and must help with that effort.

6 hours ago
Phys.org / Participatory theater helps young people become active citizens

In Estonian schools, social studies classes provide a thorough education on what democracy is and what it means to be a citizen. However, knowledge alone is not enough to foster active citizenship or reduce the differences ...

5 hours ago
Phys.org / Pegasus launch to deploy LINK for months‑long orbit boost of aging Swift

A mission to raise the orbit of NASA's Neil Gehrels Swift Observatory is poised for launch no earlier than Tuesday, June 30, at 6:23 a.m. EDT (10:23 p.m. UTC+12), from Kwajalein Atoll, part of the Republic of the Marshall ...

12 hours ago
Phys.org / Ocean warming above 1.5°C triggered year-round marine disruption across globe, study shows

Researchers at King Abdullah University of Science and Technology (KAUST) led one of the first global assessments of how marine ecosystems responded during the first year when global temperatures temporarily exceeded 1.5°C ...

11 hours ago