General Physics

Particle that only has mass when moving in one direction observed for first time

For the first time, scientists have observed a collection of particles, also known as a quasiparticle, that's massless when moving one direction but has mass in the other direction. The quasiparticle, called a semi-Dirac ...

Astronomy

Astronomers explore globular cluster system of ultra-diffuse galaxy VCC 615

Astronomers have employed the Hubble Space Telescope (HST) to observe an ultra-diffuse galaxy known as VCC 615. Results of the observational campaign, presented in a paper posted Dec. 2 to the preprint server arXiv, yield ...

What happens in the ocean when two cyclones collide?

In April 2021, two tropical cyclones, Seroja and Odette, collided in the Indian Ocean northwest of Australia. Two researchers from the University of Oldenburg have now studied how this rare phenomenon affected the ocean.

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Tech Xplore

Centromeres could be 'hotspots' for evolutionary innovation

New research reveals that centromeres, which are responsible for proper cell division, can rapidly reorganize over short time scales. Biologists at the University of Rochester are calling a discovery they made in a mysterious ...

Mathematicians make leap in modeling human impact on climate

A breakthrough in the theory of climate change science has given scientists the most robust way yet to link observed climate change to both human-made and natural causes and to spot early warning signals for potential climate ...

Cosmic rays' vast energy traced to magnetic turbulence

Ultra-high energy cosmic rays, which emerge in extreme astrophysical environments—like the roiling environments near black holes and neutron stars—have far more energy than the energetic particles that emerge from our ...

Air pollution linked to rising depression rates

A study published in Environmental Science and Ecotechnology has revealed a strong connection between long-term air pollution exposure and an increased risk of depression. The research, led by Harbin Medical University and ...

New technique for spotting Dyson rings unveiled

Dyson spheres and rings have always held a special fascination for me. The concept is simple: build a great big structure either as a sphere or ring to harness the energy from a star. Dyson rings are far more simple and feasible ...

Sentinel-1C captures first radar images of Earth

Less than a week after its launch, the Copernicus Sentinel-1C satellite has delivered its first radar images of Earth—offering a glimpse into its capabilities for environmental monitoring. These initial images feature regions ...

Engineered enzymes may help plants adapt to higher temperatures

As global temperatures rise, it's imperative that plants can adapt to new and changing conditions. Michigan State University researchers from the Walker lab are looking at ways to give plants an assist. More specifically, ...

New tool makes micro:bit programming portable for young learners

A new coding tool will help make it easier for children to portably program a popular educational micro-computer on the fly. Researchers from Lancaster University's School of Computing and Communications working in partnership ...

'Bomb cyclone' adds to growing extreme weather trend

The "once-in-a-decade" storm that devastated the Pacific Northwest last week caused widespread outages, damage, and at least two deaths. Data shows the storms are becoming more common. Could climate change be a key driver?

Decoding the cellular basis of floral fragrance

Floral fragrances are nature's allure, enticing pollinators and helping plants adapt to environmental challenges. These scents, primarily generated in petals, consist of complex compounds such as terpenoids and benzenoids/phenylpropanoids, ...