Phys.org news

Phys.org / Tiny predatory bacteria help protect endangered Caribbean corals

A microscopic predator may offer a new way to protect some of the Caribbean's most endangered corals. Georgia Tech researchers found that tiny predatory bacteria can halt the spread of a destructive coral disease by hunting ...

13 hours ago
Phys.org / Ultrafast X-ray flashes partially reverse the damage they cause, enabling brighter, more accurate imaging

The interaction between X-rays and matter can be actively controlled, according to an international research team led by the University of Hamburg and SLAC National Accelerator Laboratory that has succeeded in producing bright ...

14 hours ago
Phys.org / Seven new diamond frog species reveal Madagascar's hidden amphibian diversity

An international team of scientists has described seven new species of Madagascar's elusive diamond frogs (Rhombophryne), revealing that one of the island's most mysterious groups of amphibians is even more diverse than previously ...

16 hours ago
Phys.org / Metal deposits reveal how ice ages reshaped oxygen levels across Earth's oceans

Earth's oceans repeatedly lost oxygen and produced metal deposits during the planet's deepest ice ages. An international team of researchers analyzed manganese and other chemical signatures preserved in more than 27,000 ancient ...

15 hours ago
Phys.org / Ten viral genome regions may explain why deadly chicken virus evades vaccines

A highly contagious herpes virus causes Marek's disease, a deadly illness that mainly infects chickens. While it does not make people sick, the virus causes tumors and paralysis in chickens and, if unchecked, can spread rapidly ...

14 hours ago
Phys.org / Pluto's hazy atmosphere may be collapsing as it moves farther from the sun

Pluto is on an icy march away from the sun. In 2114, it will turn back, but until then, its elliptical orbit will carry it to colder and darker parts of the outer solar system. This is Pluto's first time entering the outer ...

17 hours ago
Phys.org / Cells of the same age can follow sharply different biological aging paths

New research reveals that cells of the same chronological age can follow dramatically different biological aging paths, offering new insights into cancer, neurodegeneration and the fundamental biology of aging. Rather than ...

15 hours ago
Phys.org / Humpback whales match song themes to dive phases, tags reveal

For male humpback whales, singing is serious business. Their haunting, complex songs can last for hours and travel for miles underwater, playing a central role in reproduction during the winter breeding season. But despite ...

17 hours ago
Phys.org / Genetic analysis identifies a distinct Risso's dolphin population around British Isles

Risso's dolphins around the British Isles are part of a single population—genetically distinct from those elsewhere in the Atlantic, new research shows. Scientists studied the DNA of dolphins that stranded in England, Scotland ...

16 hours ago
Phys.org / Life speaks one universal language to activate genes: It speaks many more to silence them

The signals that cells use to switch genes on have remained almost unchanged across 2 billion years of evolution, but the ones used to switch genes off vary dramatically from one branch of life to another, according to a ...

23 hours ago
Phys.org / Over 100 South American lakes could become climate-change early-warning observatories

More than 100 shallow lakes stretching over 1,000 kilometers (620 miles) along the Atlantic coast of southern Brazil and Uruguay could become one of the world's most important natural laboratories for understanding how climate ...

18 hours ago
Phys.org / How the brain helps protect fertility from heat-induced damage

As global temperatures continue to rise, scientists are racing to understand why heat so profoundly threatens fertility across the animal kingdom. A new study from the Hebrew University of Jerusalem and collaborators has ...

18 hours ago