Phys.org news

Phys.org / How marine viruses help fuel underwater oxygen-rich zones

Newly published interdisciplinary research led by the University of Tennessee, Knoxville, and University of Maryland shows that viral infection of blue-green algae in the ocean stimulates productivity in the ecosystem and ...

15 hours ago in Biology
Phys.org / Overlooked decline in grazing livestock brings risks and opportunities

For decades, researchers have focused on the problem of overgrazing, in which expanding herds of cattle and other livestock degrade grasslands, steppes and desert plains. But a new global study reveals that in large regions ...

16 hours ago in Biology
Phys.org / Silky shark tagging study reveals gaps in marine protected areas

The limited range of marine protected areas (MPAs) offers reduced protection to vulnerable species such as the highly mobile silky shark (Carcharhinus falciformis). Because the survival of these sharks is threatened by commercial ...

16 hours ago in Biology
Phys.org / Compressed data technique enables pangenomics at scale

Engineers at the University of California have developed a new data structure and compression technique that enables the field of pangenomics to handle unprecedented scales of genetic information. The team, led by UC San ...

17 hours ago in Biology
Phys.org / Retail therapy fail? Online shopping may raise stress more than news, email or adult content

Planning to save time by doing your shopping online? If so, it's possible you're not doing your well-being any favors. A study from Aalto University in Finland has found that online shopping is more strongly linked to stress ...

17 hours ago in Other Sciences
Phys.org / How floodwaters impact fossil formation

A new study by the University of Minnesota challenges previous classifications paleontologists use to determine how the fossil record is formed. They investigated how dinosaur and mammal bones are transported and buried by ...

16 hours ago in Biology
Phys.org / The cosmic seesaw: Black holes eject material as winds or jets, but not both at once

Astronomers at the University of Warwick have discovered that black holes don't just consume matter—they manage it, choosing whether to blast it into space as high-speed jets or sweep it away in vast winds.

17 hours ago in Astronomy & Space
Phys.org / Nightingales strike right chord in territorial singing duels

During conversation, people sometimes synchronize their voices in ways that often go completely unnoticed. Talking speeds converge, sentence lengths shift, turn-taking rhythms fall into sync. New research from the Max Planck ...

16 hours ago in Biology
Phys.org / Researchers harness nonlinear Compton scattering to create sharper, multicolor gamma-ray beams

Researchers from Skoltech, MEPhI, and the Dukhov All-Russian Research Institute of Automation have proposed a new method to create compact gamma-ray sources that are simultaneously brighter, sharper, and capable of emitting ...

18 hours ago in Physics
Phys.org / Cat disease challenges what scientists thought about coronaviruses

Researchers at the University of California, Davis, have uncovered new details about how a once-deadly coronavirus disease in cats spreads through the immune system. The findings may help scientists better understand long ...

18 hours ago in Biology
Phys.org / High-speed AFM imaging reveals how brain enzyme forms a dodecameric ring structure

Scientists at the Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, have captured real-time images showing how a key brain enzyme organizes itself to help memory formation.

17 hours ago in Nanotechnology
Phys.org / Surprise discovery reveals silica's hidden potential in flat optics

An unexpected discovery in a Harvard lab has led to a breakthrough insight into choosing an unconventional material, silica, to make optical metasurfaces—ultra-thin, flat structures that control light at the nanoscale and ...

18 hours ago in Nanotechnology