Phys.org news

Phys.org / AI finds tiny gene editor changes that reduce unintended DNA edits

Gene editing is a highly precise and powerful technology that allows scientists to insert, delete, modify or replace DNA bases in living organisms. It has a variety of uses, including correcting disease-causing mutations ...

15 minutes ago
Phys.org / Low-level cloud loss amplifies global warming, simulations suggest

Low-level clouds over Earth's oceans play a prominent role in keeping our planet cool by reflecting sunlight away from the surface. But their response to climate change has been hard to model. Now, researchers at Caltech ...

54 minutes ago
Phys.org / Biomolecular condensates reveal surprising activity as catalysts

Biomolecular condensates are ubiquitous in living cells, including bacteria, viruses, plants and mammalian systems. These membraneless bodies, or molecular communities made up of DNA, RNA and proteins, are where molecules ...

14 minutes ago
Phys.org / Scientists pinpoint where cells first begin copying DNA

Researchers at the MRC Laboratory of Medical Sciences (LMS) and collaborators have uncovered one of the earliest steps in DNA replication: the moment a cell first opens its DNA to begin making a copy of its genome. The findings, ...

34 minutes ago
Phys.org / Extragalactic positron-annihilation hotspots might mean Milky Way produces far more positrons than thought

Positrons—the antimatter counterpart of electrons—are created in high-energy cosmic processes. When normal matter meets its antimatter counterpart, they annihilate, or vanish, and produce a distinctive 511 keV gamma-ray signal. ...

1 hour ago
Phys.org / Invasive species hit the Global South significantly harder than previously assumed

Invasive alien species are among the world's leading drivers of species extinction. However, previous global assessments of the geographic distribution of this damage suffered from a systematic "research bias": Because significantly ...

1 hour ago
Phys.org / AI tools for predicting protein folding produce chemically impossible structures and need human oversight

Researchers at Rensselaer Polytechnic Institute (RPI) have found that today's leading artificial intelligence tools for predicting protein structures routinely generate results that are physically and chemically impossible, ...

1 hour ago
Phys.org / Physicists capture first direct evidence of a Floquet topological state

A new study published in Nature Physics reports the first direct experimental evidence of a Floquet topological state, a novel light-induced phase of matter that, until now, has existed only on paper and in simulations. Topological ...

5 hours ago
Phys.org / How flying together helps Andean condors save energy

Animals are constantly moving to find food, water, suitable habitats, mates and safe places to rest. Because moving requires substantial energy, animals often rely on various biological and behavioral strategies to reduce ...

5 hours ago
Phys.org / Christmas in July: Engineers capture gigapixel 3D video of snowflakes

For the first time, researchers can witness nanometer-scale thickness changes across a melting snowflake with a compact, lensless chip that captures gigapixel video at 30 frames per second across centimeter-scale fields.

1 hour ago
Phys.org / Quantum neural networks get their first hardware test

Neural networks have transformed how machines find patterns in data, from recognizing faces in photos to predicting the shapes of proteins. So far, all of this progress has been made on ordinary classical computers, but with ...

3 hours ago
Phys.org / Why the future of fashion might involve wearing live fungi

The idea of having living fungi cover your body might not be the most appealing thing in the world. But what if it was part of a clothing fabric that could change color, protect you from UV rays and even repair its own tears? ...

3 hours ago