Phys.org news

Phys.org / Great white sharks grow a whole new kind of tooth for slicing bone as they age

A great white shark is a masterwork of evolutionary engineering. These beautiful predators glide effortlessly through the water, each slow, deliberate sweep of the powerful tail driving a body specialized for stealth, speed ...

Jan 28, 2026 in Biology
Phys.org / Rare fossils reveal 91 new species that survived ancient mass extinction

Almost a hundred new animal species that survived a mass extinction event half a billion years ago have been discovered in a small quarry in China, scientists revealed Wednesday.

Jan 28, 2026 in Biology
Phys.org / Hearing angry or happy human voices is linked to changes in dogs' balance

In a small study, dogs experienced both stabilization and destabilization of their balance upon hearing angry or happy human voices, but angry voices were linked to the biggest destabilizing effects. Nadja Affenzeller and ...

Jan 28, 2026 in Biology
Phys.org / Pesticides significantly affect soil life and biodiversity, study finds

Seventy percent of soils in Europe are contaminated with pesticides. A Europe-wide study co-led by researchers of the University of Zurich now shows that their effects on soil life are substantial, as pesticides suppress ...

Jan 28, 2026 in Biology
Phys.org / Novel 'XFELO' laser system produces razor-sharp X-ray light

A team of engineers and scientists has shown for the first time that a hard-X-ray cavity can provide net X-ray gain, with X-ray pulses being circulated between crystal mirrors and amplified in the process, much like happens ...

Jan 28, 2026 in Physics
Phys.org / Surprising green ice on Lake Lipno: Cyanobacteria bloom in mid-winter

An unusual natural phenomenon appeared on Lake Lipno in South Bohemia, the Czech Republic, at the end of 2025. Large amounts of accumulated cyanobacteria in the water caused the ice to turn green. The phenomenon was thoroughly ...

Jan 28, 2026 in Biology
Phys.org / Overlooked threat: Dams trigger temperature-driven disease in iconic salmonid fish

A new study published in Communications Biology reveals a critical, yet previously overlooked, environmental consequence of man-made dams constructed across rivers and streams. By investigating a key indicator species of ...

Jan 28, 2026 in Biology
Phys.org / Laser beam flips a ferromagnet's polarity without heating the material

Researchers at the University of Basel and the ETH in Zurich have succeeded in changing the polarity of a special ferromagnet using a laser beam. In the future, this method could be used to create adaptable electronic circuits ...

Jan 28, 2026 in Physics
Phys.org / How a superionic state enables long-term water storage in Earth's interior

The cycling of water within Earth's interior regulates plate tectonics, volcanism, ocean volume, and climate stability, making it central to the planet's long-term evolution and habitability and a key scientific question. ...

Jan 28, 2026 in Earth
Phys.org / NASA telescopes spot surprisingly mature cluster in the early universe

Astronomers at The University of Manchester have played a leading role in the discovery of a new cosmic object that is much larger than anything astronomers have seen before in the distant universe. This new discovery captures ...

Jan 28, 2026 in Astronomy & Space
Phys.org / Probing the jet base of M87's supermassive black hole

Some galaxies eject powerful streams of charged particles—jets—from their centers into space. The prominent jet of Messier 87 (M87) in the constellation Virgo is visible over distances of 3,000 light-years and can be ...

Jan 28, 2026 in Astronomy & Space
Phys.org / Novel ferroelectric ultraviolet photodetector achieves near-10,000-fold speed increase

Researchers from the Institute of Metal Research (IMR) of the Chinese Academy of Sciences have developed a new ferroelectric ultraviolet photodetector material that overcomes the long-standing performance limitations of conventional ...

Jan 28, 2026 in Physics