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40 articles from PhysOrg

Mid-level flare erupts from sun

The sun emitted a mid-level solar flare on Jan. 20, 2022, peaking at 1:01 a.m. EST. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event.

NASA emergency beacons save 330 lives in 2021

In 2021, NASA technology saved 330 lives in the U.S. network region of the international satellite-aided search and rescue effort, Cospas-Sarsat. NASA has lent technical expertise to the Cospas-Sarsat program since its founding, aiding in the rescue of over 48,000 individuals globally. 

Los Angeles weighs phasing out oil and gas drilling

The University Park neighborhood of Los Angeles has a lot in common with urban areas across the U.S.: A dense population with lots of businesses and housing. A cluster of car dealerships. A row of restaurants. Schools and a community center.

Using ice to boil water: Researcher makes heat transfer discovery that expands on 18th century principle

Associate Professor Jonathan Boreyko and graduate fellow Mojtaba Edalatpour have made a discovery about the properties of water that could provide an exciting addendum to a phenomenon established over two centuries ago. The discovery also holds interesting possibilities for cooling devices and processes in industrial applications using only the basic properties of water. Their work was published...

Rhino horn consumers reveal why a legal trade alone won't save rhinos

Demand for rhino horn in Asian markets, especially Vietnam and China, has pushed the remaining rhino populations to the brink of extinction. In the past decade, nearly 10,000 rhinos were killed by poachers in Africa. The remaining rhino populations in Africa and Asia are steadily declining, with fewer than 30,000 animals left in 2020 from a population of 500,000 at the beginning of the 20th...

A nonlinear-transport perspective of field-induced phase transitions in pentatellurides

Combining topological states of matter with strong electron correlation promises many exotic phenomena such as charge fractionalization, excitonic instability, and axionic excitation. Layered transition-metal pentatellurides ZrTe5 and HfTe5 were found to be close to an accidental topological semimetal phase with low carrier density. Even in a relatively low magnetic field, they can form highly...

Why you might want to consider a pilgrimage for your next holiday or day trip

We have been living in a COVID-19 pandemic world for two years—and almost everything about our lives has been affected. Travel and holidays in particular have been constrained through border closures and lockdowns. It's too early to say what effect this may have on overseas travel long term. But one form of travel that is forecast to grow in popularity is pilgrimage.

Protecting coral reef connectivity found to be crucial for conservation efforts

A team of researchers affiliated with several entities across Australia has found that in order to save the world's coral reefs, conservationists must also protect the corridors that connect them. In their paper published in the journal Science, the group describes their study of coral and fish larval sources and sinks and the dispersal corridors promote health and diversity in coral reefs.

Balanced diet can mitigate negative impact of pests for bumblebees

Bumblebees are important pollinators because they pollinate many different plant species and are extremely resilient. They can still manage to fly at temperatures that are too cold for other pollinators. Like many other insects, they are in sharp decline. This makes it even more important to find out what bumblebees need to reproduce successfully. A team from the University of Göttingen has shown...

Shift work helps marine microbes share scarce ocean resources

Though they may be small, microorganisms are the most abundant form of life in the ocean. Marine microbes are responsible for making roughly half of the organic carbon that's usable by life. Many marine microbes live near the surface, depending on energy from the sun for photosynthesis.