Phys.org news

Phys.org / How fish embryos first regulate their genes

A RIKEN researcher and his colleague have identified how genes are expressed in fish embryos when they first start using their own genetic material. If the same mechanisms apply to humans, they could shed light on developmental ...

Nov 20, 2025 in Biology
Phys.org / Hormone-free plant regeneration method works for multiple crops

Researchers at Wageningen University & Research (WUR), working in close collaboration with KeyGene, have developed a method that enables plant cells to regenerate into complete plants without the need for added hormones.

Nov 20, 2025 in Biology
Phys.org / 'Chocolate-flavored' honey created using cocoa bean shells

A group of researchers from the State University of Campinas (UNICAMP) in the state of São Paulo, Brazil, developed a product made from native bee honey and cocoa bean shells that can be consumed directly or used as an ingredient ...

Nov 19, 2025 in Chemistry
Phys.org / Discovery of rare protist reveals previously unknown branch of eukaryotic tree of life

A research team from the Faculty of Science, Charles University in Prague has discovered Solarion arienae, an extremely rare and morphologically unique unicellular eukaryote that sheds new light on early eukaryotic evolution.

Nov 19, 2025 in Biology
Phys.org / Scientist captures tiny particles for clues on what sparks lightning

Using lasers as tweezers to understand cloud electrification might sound like science fiction, but at the Institute of Science and Technology Austria (ISTA) it is a reality. By trapping and charging micron-sized particles ...

Nov 19, 2025 in Physics
Phys.org / Decapitated fossil fish with guts still intact reveal ancient predatory habits

In a study appearing in Fossil Record, researchers Martin Ebert and Martina Kölbl-Ebert analyzed the remains of a unique fossil type: the decapitated head of Aspidorhynchus, with its gastrointestinal tract (guts) still attached. ...

Nov 19, 2025 in Biology
Phys.org / Study maps the time and energy patterns of electron pairs in ultrafast pulses

The ability to precisely study and manipulate electrons in electron microscopes could open new possibilities for the development of both ultrafast imaging techniques and quantum technologies.

Nov 19, 2025 in Physics
Phys.org / Y1 is an ultra-luminous infrared galaxy, ALMA observations reveal

Using the Atacama Large Millimeter/submillimeter Array (ALMA), an international team of astronomers has inspected a distant galaxy designated MACS0416_Y1. Results of the observations, presented Nov. 11 on the arXiv pre-print ...

Nov 19, 2025 in Astronomy & Space
Phys.org / New magnetic component discovered in the Faraday effect after nearly two centuries

Researchers at the Hebrew University of Jerusalem discovered that the magnetic component of light plays a direct role in the Faraday effect, overturning a 180-year-old assumption that only its electric field mattered.

Nov 19, 2025 in Physics
Phys.org / Physicists demonstrate the constancy of the speed of light with unprecedented accuracy

In 1887, one of the most important experiments in the history of physics took place. American scientists Michelson and Morley failed to measure the speed of Earth by comparing the speed of light in the direction of Earth's ...

Nov 19, 2025 in Physics
Phys.org / New type of DNA damage discovered in our cells' mitochondria

A previously unknown type of DNA damage in the mitochondria, the tiny power plants inside our cells, could shed light on how our bodies sense and respond to stress. The findings of the UC Riverside-led study are published ...

Nov 19, 2025 in Biology
Phys.org / Auction of famed CIA cipher shaken after archive reveals code

It is one of the world's most famous unsolved codes whose answer could sell for a fortune—but two US friends say they have already found the secret hidden by "Kryptos."

Nov 19, 2025 in Other Sciences