Phys.org news

Phys.org / Human activity is influencing the behavior of Germany's wildcats

A research team led by Dr. Chris Baumann and Dr. Dorothée Drucker from the Senckenberg Center for Human Evolution and Paleoenvironment at the University of Tübingen has found that the European wildcat is increasingly using ...

Feb 26, 2026 in Biology
Phys.org / Will melting glaciers slow climate change? A prevailing theory is on shaky ground

For scientists who study the Southern Ocean, a long-standing silver lining in the gloomy forecast of climate change has been the theory of iron fertilization. As temperatures rise and glaciers in Antarctica melt, ice-trapped ...

Feb 26, 2026 in Earth
Phys.org / Grasslands are vanishing nearly four times faster than forests, global study finds

Along with forests, grasslands and wetlands are also being converted to cropland and pasture at an increasing rate around the world—often for livestock farming and the export of agricultural products. An international team ...

Feb 26, 2026 in Earth
Phys.org / PFOS 'forever chemical' can accumulate in bees—and their honey

A study published in the journal Environmental Science & Technology has revealed the toxic "forever chemical," PFOS, can accumulate in exposed honeybee colonies and transfer to their honey, threatening pollinator viability, ...

Feb 26, 2026 in Earth
Phys.org / Carbon-based catalyst can use sunlight to degrade PFAS

An international team of scientists led by the University of Bath has developed a new catalyst—a substance that speeds up chemical reactions—that uses sunlight to break down so-called "forever chemicals" prevalent in ...

Feb 26, 2026 in Chemistry
Phys.org / Ancient mosquitoes developed a taste for early hominins, research reveals

The preference of some mosquitoes in the Anopheles leucosphyrus (Leucosphyrus) group—including those that transmit malaria—for feeding on humans may have evolved in response to the arrival of early hominins in Southeast ...

Feb 26, 2026 in Biology
Phys.org / Rice gene discovery could cut fertilizer use while protecting yields

Researchers from the University of Oxford, Nanjing Agricultural University, and Institute of Genetics and Developmental Biology (Chinese Academy of Sciences) have finally identified the master regulator in plants that balances ...

Feb 26, 2026 in Biology
Phys.org / How oxygen enriched Earth's atmosphere 2.5 billion years ago

Cyanobacteria, as they still exist today, were the first organisms to carry out photosynthesis and release oxygen. Produced in primeval oceans about 2.5 billion years ago, this oxygen accumulated in Earth's atmosphere on ...

Feb 26, 2026 in Earth
Phys.org / Laser technique can quickly check mRNA packaging in lipid nanoparticles

Messenger RNA (mRNA) technology is transforming medicine by providing our cells with genetic instructions to produce proteins that help the immune system prevent or fight a wide range of diseases, including cancer and other ...

Feb 26, 2026 in Nanotechnology
Phys.org / Scientists lay out what we do and don't yet know about moths and butterflies

Should you ever find yourself playing a trivia game on the topic of moths and butterflies, here are a few facts that might help. Collectively called Lepidoptera, moths and butterflies account for nearly 10% of all animal ...

Feb 26, 2026 in Biology
Phys.org / Birds achieve sweet success: What adaptations to high-sugar diets reveal about metabolism

Anyone who has seen a hummingbird poking her beak deep into a trumpet creeper blossom, or a honeyeater using its brush-tipped tongue to extract nectar from eucalyptus flowers, has witnessed something that, from a human perspective, ...

Feb 26, 2026 in Biology
Phys.org / Wildfire smoke linked to rise in violent assaults, 11-year study finds

A new study spanning 11 years of data has revealed a clear link between wildfire smoke pollution and an increase in violent assaults in Seattle. These findings represent the first direct causal evidence that short-term exposure ...

Feb 26, 2026 in Earth