Phys.org news
Phys.org / Dogs' dinners can have greater climate impact than those of their owners
Dogs fed on premium, meat-rich pet food can have a bigger dietary carbon pawprint than their owners, according to the largest study into dog food's climate impact.
Phys.org / Optics research uses dim light to produce bright LEDs
Researchers at Princeton and North Carolina State University have developed a technique that substantially improves the ability to convert low-energy light into a high-energy version. The method has immediate applications ...
Phys.org / The Milky Way's black hole is hiding an explosive past, evidence suggests
Our galaxy's supermassive black hole is famous for being one of the dimmest in the universe. Evidence from a new space telescope shows that might not always have been the case.
Phys.org / Engineers create water-saving sand layer to improve plant resilience during drought
The Anasazi, a once-flourishing tribe in the American Southwest, lived on bounties of corn, squash and beans. In 1276 A.D., however, a long, unforgiving drought made agriculture untenable, forcing them to migrate away from ...
Phys.org / THz spectroscopy system bypasses long-standing tradeoff between spectral and spatial resolution
Terahertz (THz) radiation, which occupies the frequency band between microwaves and infrared light, is essential in many next-generation applications, including high-speed wireless communications, chemical sensing, and advanced ...
Phys.org / Flexible material mimics octopus skin with nanoscale color and texture transformations
Stanford researchers have developed a flexible material that can quickly change its surface texture and colors, offering potential applications in camouflage, art, robotics, and even nanoscale bioengineering.
Phys.org / The mechanical ratchet: A new mechanism of cell division
Cell division is an essential process for all life on Earth, yet the exact mechanisms by which cells divide during early embryonic development have remained elusive—particularly for egg-laying species.
Phys.org / Four baby planets show how super-Earths and sub-Neptunes form
Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune orbit most stars. Oddly, our sun lacks such a planet. That's been a source of frustration for planetary ...
Phys.org / Swinging abyss: Oxygen isotope analysis shows less dynamic Antarctic ice sheet in Oligocene period
Oxygen isotopes data enable researchers to look far back into the geologic past and reconstruct the climate of the past. In doing so, they consider several factors such as ocean temperature and ice volume in polar regions. ...
Phys.org / Marine geoscientists link warming with ancient ocean 'salty blob'
Climate change has many culprits, from agriculture to transportation to energy production. Now, add another: the deep ocean salty blob.
Phys.org / Ushikuvirus: Newly discovered giant virus may offer clues to the origin of life
The origin of life on Earth becomes even more fascinating and complex as we peer into the mysterious world of viruses. Said to have existed since living cells first appeared, these microscopic entities differ greatly from ...
Phys.org / Supernova remnant video from NASA's Chandra is decades in making
A new video shows the evolution of Kepler's Supernova Remnant using data from NASA's Chandra X-ray Observatory captured over more than two and a half decades.
