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Phys.org / It's about (space-)time: Scientists explore new dimension for light

By breaking a decades-old paradigm and rethinking the role that the dimension of time plays in physics, researchers from the University of Rostock and the University of Birmingham have discovered novel flashes of light that ...

Apr 23, 2025 in Physics
Medical Xpress / Regular chicken consumption linked to higher risk of early death from gastrointestinal cancers

A team of health researchers at the National Institute of Gastroenterology, in Italy, has found an association between regularly eating poultry and early death due to digestive system cancers. In their study published in ...

Apr 24, 2025 in Oncology & Cancer
Phys.org / A possible explanation for why there is so much molecular hydrogen in space

Two materials physicists at The University of Sydney have found a possible explanation for the huge amount of molecular hydrogen in space. In their study published in the journal Communications Chemistry, Yuzhen Guo and David ...

Apr 23, 2025 in Astronomy & Space
Medical Xpress / Q&A: Measles may be making a comeback in the US

Childhood vaccination rates have been falling in the United States, especially since the start of the COVID-19 pandemic. Lower levels of immunity have resulted in a resurgence of measles cases, including a recent outbreak ...

Phys.org / World on course to trigger multiple climate 'tipping points' unless action accelerates, research warns

Multiple climate "tipping points" are likely to be triggered if global policies stay on their current course, new research shows. Scientists assessed the risk of "tipping" in 16 different parts of the Earth system—ranging ...

Apr 23, 2025 in Earth
Tech Xplore / 'Poisoned' AI models can unleash real-world chaos; study shows how these attacks could be prevented

An unrelenting, ravenous appetite for more and more data may be artificial intelligence's fatal flaw; or at least the fastest way for "poison" to seep in.

Apr 24, 2025 in Security
Phys.org / Invasive weed threatens Southern California's deserts

Once thought resistant to invasion, regional deserts are losing native plants to aggressive weedy species like Saharan mustard. New research shows its spread is disrupting biodiversity and reducing the desert's ability to ...

Apr 24, 2025 in Biology
Phys.org / US opposes 'dangerous' anti-fossil fuel policies at global summit

An international summit on the future of energy security opened in London on Thursday with stark opposition from Washington, which called policies to phase out fossil fuels "harmful and dangerous".

Apr 24, 2025 in Earth
Medical Xpress / Short-term antibiotic use linked to long-lasting resistance in gut bacteria

Stanford University researchers report that ciprofloxacin use drives persistent antibiotic resistance in human gut bacteria, with resistance emerging independently across diverse species and enduring for over 10 weeks.

Phys.org / Structure of lipid-transfer tunnel protein in C. elegans revealed

Oregon Health & Science University, in collaboration with Oregon State University, has discovered the structural organization and protein components of a lipid-transfer complex known as LPD-3. Findings show that LPD-3 contains ...

Apr 26, 2025 in Biology
Tech Xplore / Passivation technique reduces defects in kesterite solar cells to achieve 11.51% efficiency

Over the past few decades, solar cells have become increasingly widespread, with a growing number of individuals and businesses worldwide now relying on solar energy to power their homes or operations. Energy engineers worldwide ...

Tech Xplore / Microrobots powered by thin-film actuator can morph, lock shapes and operate untethered

A team of roboticists at Tsinghua University, working with a trio of colleagues from Beihang University, all in China, has designed a new type of microrobot that can continuously transform its shape and "lock" into specific ...

Apr 27, 2025 in Robotics