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Medical Xpress / Minutes-long process could create custom blood vessel grafts during surgery

Traumatic injuries, whether on a battlefield or in a car accident, often involve damaged blood vessels that require immediate repair. New research from Harvard bioengineers aims to make these critical, time-sensitive medical ...

1 hour ago
Phys.org / Chicxulub's lingering dust may have turned falling debris into a global firestorm

Sixty-six million years ago, the six-mile-wide (10-kilometer-wide) Chicxulub asteroid crash-landed in Mexico's Yucatán Peninsula and changed life on Earth forever. The reign of the dinosaurs ended, and only creatures that ...

2 hours ago
Phys.org / Neuroscientists reveal limits of human compassion for global crises

New research from the University of Sussex has revealed the biological limits to human compassion and empathy. The study found a stark contrast between how the brain processes information about risk to human lives and information ...

1 hour ago
Phys.org / More evidence Mars once had water emerges from old Spirit rover data

More than 20 years after NASA's Spirit rover landed on Mars, a researcher from Edith Cowan University (ECU) has uncovered new evidence that suggests water may once have covered large parts of the red planet.

2 hours ago
Phys.org / More green space alone won't beat urban heat

New research from Victoria University (VU) reveals that reducing the impact of extreme heat in urban areas requires more than simply adding green spaces—it requires a different approach to urban planning.

2 hours ago
Phys.org / Psychologist develops puzzle that can tell you how fast you think

A puzzle that can tell players how fast they think on their feet has been developed by a University of Leeds researcher.

3 hours ago
Phys.org / AI models explain 17% of earnings-day stock moves, up from 5%

To explain the stock market's reaction to earnings results, investors and other market participants have used a standard tool for decades: the earnings surprise.

4 hours ago
Medical Xpress / Dreams drain energy: The REM sleep paradox

The brain demands a lot of energy compared with other organs. However, it can also make do when energy supplies are scarce, flexibly processing information using what is available. How the brain resourcefully allocates this ...

2 hours ago
Phys.org / Helical nanoparticles trigger cancer alarms and deliver gene therapy

Cancer cells survive by hiding from the immune system's surveillance. A KAIST research team has developed a new anticancer platform that makes cancer cells send out their own danger signals—prompting immune cells to attack—while ...

2 hours ago
Medical Xpress / Registry identifies gaps in care for patients with aortic stenosis

Undertreatment and delayed treatment of aortic stenosis lead to increased mortality, but a new multicenter registry led, in part, by a Vanderbilt Health researcher and the American Heart Association (AHA) aims to improve ...

1 hour ago
Phys.org / One grain to rule them all: History of rice as a global food

Rice is the most popular food in the world, providing sustenance to more than 3.5 billion people each day.

1 hour ago
Tech Xplore / Study highlights federated and reinforcement learning for natural language processing

Natural language processing (NLP), a branch of artificial intelligence, enables computers to understand and generate human language. Large language models (LLMs) now power everyday applications such as chatbots, virtual assistants ...

1 hour ago