All News

Phys.org / Bovine stem cells offer new approach to future cultivated steak research

Cultivated meat aims to produce meat from animal cells in the laboratory without needing to raise a living animal for meat production. It has been proposed as a potentially more sustainable alternative to conventional meat ...

20 minutes ago
Phys.org / Eight-letter DNA alphabet is accurately transcribed by a natural enzyme

All known life on Earth uses the same genetic alphabet, consisting of four letters. Now, researchers at the University of California San Diego have demonstrated that one of biology's most essential enzymes can accurately ...

20 minutes ago
Medical Xpress / Mental health conditions after trauma linked to higher cardiovascular risk

Mental health conditions, such as posttraumatic stress disorder (PTSD), substance abuse, depression and anxiety, can develop after people experience trauma. These conditions may contribute to a higher future risk of cardiovascular ...

20 minutes ago
Tech Xplore / OpenAI to launch new model with 'stronger safeguards' after hack

ChatGPT maker OpenAI said Tuesday it was preparing to release its newest powerful model, known as Astra, after implementing "stronger safeguards" following a rogue cyberattack involving a different AI model.

1 hour ago
Phys.org / Giant impact could have formed an intact moon within five hours, simulations suggest

New Southwest Research Institute (SwRI) modeling, conducted in collaboration with scientists at the University of Arizona, shows fundamental differences in how the moon may have formed from the giant impact that created the ...

11 hours ago
Phys.org / Scientists discover the key ingredients that make birdsong pretty

What makes birdsong beautiful? Answering this question could help us understand how soundscapes make the natural world relaxing for humans, opening the door to improving parks, upgrading the design of stressful places like ...

5 hours ago
Tech Xplore / Zuckerberg, Musk make plea at G20 for more AI data centers

Mark Zuckerberg and Elon Musk on Tuesday stressed the need for more AI data centers and the electric power needed to support them at a meeting of G20 technology ministers focused on the disruptions and opportunities brought ...

1 hour ago
Phys.org / Global warming will exceed limit, UN says in a report that maps path to get back below danger zone

In a strategic retreat in the fight against climate change, the United Nations has acknowledged that Earth has lost its chance to prevent some of the worst of global warming's harms. So now the world must figure out how to ...

1 hour ago
Medical Xpress / Low-dose THC keeps breast cancer cells in tumor models from reverting to an aggressive state

Recent discoveries have revealed that breast cancer cells are more flexible than previously thought. Some can change from a differentiated state, when a mature cell has taken on a specific function, back to a more stem-like ...

18 hours ago
Phys.org / Geomagnetic superstorm shook GPS accuracy across the US—its timing may have averted agricultural losses

On Nov. 11, 2025, Earth experienced a severe geomagnetic storm triggered by solar flares and coronal mass ejections from an active sunspot region. While this kind of storm brings beautiful auroras admired in many areas around ...

16 hours ago
Tech Xplore / A new kind of AI that does its thinking cheaply without words

There may soon be a new kind of artificial intelligence in town, one that uses a novel approach to thinking that could save massive amounts of computing power and money.

16 hours ago
Phys.org / Switching gravity on and off leaves particles behind, mathematical model finds

Hawking radiation causes black holes to eventually evaporate. This is because particle pairs are spontaneously created near the event horizon (the position of the last ray of light that can escape the black hole's gravitational ...

14 hours ago