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Phys.org / As Rubin's survey gets underway, simulations suggest it could find about six lunar-origin asteroids per year

Most near-Earth asteroids are thought to drift in from the main asteroid belt. But a small subset may have a much closer origin: the moon. One intriguing example is 469219 Kamoʻoalewa (2016 HO3), an Earth quasi-satellite ...

Feb 2, 2026 in Astronomy & Space
Medical Xpress / Sleep medication linked to safer outcomes than antipsychotics for older adults with delirium

A large U.S. study suggests that older adults hospitalized with delirium may experience better outcomes when treated with trazodone, commonly used to treat depression and sleep problems, rather than commonly used antipsychotic ...

Feb 3, 2026 in Psychology & Psychiatry
Phys.org / Air pollution causes social instability in ant colonies, triggering attacks on returning nest mates

A research team from the Max Planck Institute for Chemical Ecology has shown in a new study that ants returning from habitats affected by air pollution are attacked when they re-enter the colony. The cause: air pollution, ...

Feb 2, 2026 in Biology
Phys.org / Two-step approach creates more sustainable protein nanostructures for advanced sensing and therapeutics

Gas vesicles are among the largest known protein nanostructures produced and assembled inside microbial cells. These hollow, air-filled cylindrical nanostructures found in certain aquatic microbes have drawn increasing interest ...

Feb 2, 2026 in Nanotechnology
Medical Xpress / How to keep plant-based foods on the table now that Veganuary is over

Campaigns like Veganuary (an initiative that encourages people to eat a plant-based diet in January) have been hugely successful in raising awareness about the climate and the health benefits of eating this way. However, ...

Feb 3, 2026 in Health
Phys.org / Resilience bonds could serve as an insurance solution to address climate change risks

Researchers with Lehigh University's Center for Catastrophe Modeling and Resilience, led by anthropologist David G. Casagrande, have identified two urgent challenges the United States faces in adapting to climate change: ...

Feb 2, 2026 in Other Sciences
Phys.org / How bacteria learned to target numerous cell types

Viruses attack nearly every living organism on Earth. To do so, they rely on highly specialized proteins that recognize and bind to receptors on the surface of target cells, a molecular arms race that drives constant evolution. ...

Feb 2, 2026 in Biology
Phys.org / Global plastics treaty negotiations: Success is still possible, researchers argue

Plastic pollution is causing severe problems worldwide. However, negotiations at the United Nations in Geneva last August did not result in the expected global plastics treaty. On 7 February 2026, the Intergovernmental Negotiating ...

Feb 3, 2026 in Earth
Phys.org / New class of catalysts could dramatically change playing field in nickel catalysis

Researchers at the University of Illinois Urbana-Champaign have reported a breakthrough in nickel catalysis that harnesses a rare oxidation state of nickel that has proved challenging to control yet is highly valued for its ...

Feb 2, 2026 in Chemistry
Phys.org / Mapping how Arctic groundwater will respond to thawing permafrost

Dalhousie researchers have revealed how Arctic aquifers—permeable layers of the ground that store and transmit water to rivers, lakes and terrestrial ecosystems—behave today and how these vital resources will change with ...

Feb 2, 2026 in Earth
Phys.org / AI mapping reveals over 20,000 malaria protein interactions across parasite life cycle

An international research team headed by scientists from Nanyang Technological University, Singapore and the Center for Structural Systems Biology and Bernhard-Nocht Institute for Tropical Medicine in Germany has revealed ...

Feb 2, 2026 in Biology
Medical Xpress / Chemo before 3 pm could be more successful for lung cancer patients

Patients with advanced lung cancer who received immunochemotherapy before 15:00 (3 p.m.) had a more delayed disease progression than patients receiving treatment later in the day. The findings, published as part of a randomized ...

Feb 2, 2026 in Medications