Phys.org news

Phys.org / First carbon-enhanced metal-poor stars discovered in Milky Way's companion

Using the Baryons Oscillation Spectroscopic Survey (BOSS) spectrograph, astronomers have discovered five new carbon-enhanced metal-poor stars in the Large Magellanic Cloud (LMC). This is the first time such stars have been ...

Jan 26, 2026 in Astronomy & Space
Phys.org / To reach net-zero, reverse current policy and protect the largest trees in the Amazon, say scientists

At the United Nations Climate Change Conference in 2015, countries around the world committed to striving towards net-zero greenhouse gas emissions by the middle of the 21st century. But achieving this goal is difficult, ...

Jan 26, 2026 in Earth
Phys.org / How gut bacteria control immune responses

Bacteria in the human gut can directly deliver proteins into human cells, actively shaping immune responses. A consortium led by researchers at Helmholtz Munich, with participation from Ludwig Maximilians University (LMU), ...

Jan 26, 2026 in Biology
Phys.org / Toothbrush-activated powder whitens, repairs and protects teeth

Even with regular brushing, teeth can become stained from genetic factors or consuming foods and drinks like tomatoes and coffee. Chemical whiteners can help, but they can also damage teeth in the process. So, researchers ...

Jan 26, 2026 in Nanotechnology
Phys.org / Exceptionally well-preserved ant in Goethe's amber examined

Even some 200 years after his death, Johann Wolfgang von Goethe's scientific curiosity continues to yield new insights. This has now been demonstrated by biologists at Friedrich Schiller University Jena while closely examining ...

Jan 26, 2026 in Biology
Phys.org / Mighty microscopic fibers are the key to cell division and life itself

Every second, millions of cells in your body divide in two. In the space of an hour, they duplicate their DNA and grow a web of protein fibers around it called a spindle. The spindle extends its many fibers from the chromosomes ...

Jan 26, 2026 in Biology
Phys.org / Swimming in a shared medium makes particles synchronize without touching

Several years ago, scientists discovered that a single microscopic particle could rock back and forth on its own under a steady electric field. The result was curious, but lonely. Now, Northwestern University engineers have ...

Jan 26, 2026 in Physics
Phys.org / Scientists recover the oldest wooden tools from a site in Greece

Two artifacts found at a lake shore in Greece are the oldest wooden tools to be uncovered so far and date back 430,000 years.

Jan 26, 2026 in Other Sciences
Phys.org / Sea levels are rising—but in Greenland, they will fall

Even as global warming causes sea levels to rise worldwide, sea levels around Greenland will likely drop, according to a new paper published in Nature Communications. "The Greenland coastline is going to experience quite ...

Jan 26, 2026 in Earth
Phys.org / Collaboration of elementary particles: How teamwork among photon pairs overcomes quantum errors

Some things are easier to achieve if you're not alone. As researchers from the University of Rostock, Germany have shown, this very human insight also applies to the most fundamental building blocks of nature.

Jan 26, 2026 in Physics
Phys.org / A protein 'tape recorder' enables scientists to measure and decode cellular processes at scale and over time

Unraveling the mysteries of how biological organisms function begins with understanding the molecular interactions within and across large cell populations. A revolutionary new tool, developed at the University of Michigan, ...

Jan 26, 2026 in Biology
Phys.org / Microgravity rewires microbial metabolism, limiting space-based manufacturing efficiency

Scientists at the U.S. Naval Research Laboratory (NRL) have completed a spaceflight biology investigation aboard the International Space Station (ISS) that reveals how microgravity fundamentally alters microbial metabolism, ...

Jan 26, 2026 in Astronomy & Space