Phys.org news

Phys.org / CBD supplements may make dogs less aggressive over time

In humans, CBD is thought to have therapeutic effects for some conditions including chronic pain, nausea, or inflammation. Now, dogs may be reaping some of the benefits, too, according to a new study.

1 hour ago in Biology
Phys.org / Dating a North American rock art tradition that lasted 175 generations

The Pecos River murals are a stunning collection of monumental, multicolored rock paintings in limestone rock shelters across southwest Texas and northern Mexico. They depict human-like figures that reach up to eight meters ...

11 hours ago in Other Sciences
Phys.org / Entanglement-enhanced optical lattice clock achieves unprecedented precision

Optical lattice clocks are devices that measure the passing of time via the frequency of light that is absorbed or emitted by laser-cooled atoms trapped in a repeating pattern of light interference known as optical lattice.

14 hours ago in Physics
Phys.org / Physicist delineates limits on the precision of quantum thermal machines

Quantum thermal machines are devices that leverage quantum mechanical effects to convert energy into useful work or cooling, similarly to traditional heat engines or refrigerators. Thermodynamics theory suggests that increasing ...

16 hours ago in Physics
Phys.org / Astronomers capture an exceptional gamma-ray flare from a blazar

Astronomers have performed very long baseline interferometry (VLBI) observations of a gamma-ray loud blazar known as TXS 2013+370. The observations, posted November 19 on the arXiv preprint server, resulted in the detection ...

16 hours ago in Astronomy & Space
Phys.org / Secret behind Temple of Venus's resilient construction uncovered

The material used to build the Temple of Venus in Naples has remarkably endured even as Earth's surface around it sank from volcanic activity, and researchers were curious to know how.

17 hours ago in Other Sciences
Phys.org / Social media research tool can lower political temperature—it could also lead to more user control over algorithms

A new tool shows it is possible to turn down the partisan rancor in an X feed—without removing political posts and without the direct cooperation of the platform.

11 hours ago in Other Sciences
Phys.org / Watching metal crystals grow inside liquid metal: Imaging technique could boost hydrogen production

If you dissolve sugar in hot water and then cool it down, you'll see pure sugar crystals form while impurities stay in the liquid. You can even watch the beautiful sugar crystals slowly grow in the water.

11 hours ago in Chemistry
Phys.org / Survey raises estimate of African forest elephant numbers

DNA pulled from the dung of African forest elephants has given experts a more accurate—and higher—population estimate for the elusive animal, but the species remains critically endangered, a study showed Thursday.

11 hours ago in Biology
Phys.org / Major droughts linked to ancient Indus Valley Civilization's collapse

Successive major droughts, each lasting longer than 85 years, were likely a key factor in the eventual fall of the Indus Valley Civilization, according to a paper published in Communications Earth & Environment. The findings ...

14 hours ago in Earth
Phys.org / Scientists capture the crackling sounds of what they believe is lightning on Mars

Scientists have detected what they believe to be lightning on Mars by eavesdropping on the whirling wind recorded by NASA's Perseverance rover.

13 hours ago in Astronomy & Space
Phys.org / Meteorite samples are time capsules from the early solar system

When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth. Contained within are hints about the very beginning of the solar system and how planets, including our ...

13 hours ago in Astronomy & Space