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Phys.org / Human activity more than doubles Arctic fire occurrence, satellite analysis suggests

Fires in the Arctic are not solely a regional issue, as shown by the hazy skies in Switzerland last summer despite otherwise sunny weather. Smoke from major fires in northern Canada crossed the Atlantic and reached Europe. ...

12 hours ago
Medical Xpress / International project delivers hundreds of next-generation models for cancer research

Ten years and thousands of patient samples later, the National Cancer Institute (NCI) has published its results from the Human Cancer Model Initiative (HCMI) on the development of 665 organoid models of 25 types of cancer ...

13 hours ago
Phys.org / Backpack lab finds wastewater contamination and drug-resistant bacteria in Galápagos waters

From routine surgeries to cancer treatment, modern medicine depends on drugs that can fight infections caused by microbes such as bacteria, viruses, fungi and parasites. But some microbes are becoming resistant to the drugs ...

13 hours ago
Medical Xpress / Tumor-secreted protein makes lung vessels leakier, promoting metastasis

A protein secreted by common cancer types makes blood vessels leakier to allow metastatic tumors to form in the lungs, according to a study led by investigators at Weill Cornell Medicine and Memorial Sloan Kettering Cancer ...

6 hours ago
Phys.org / Electrostatic nanocorral offers new control over charged excitons and quantum light

Researchers created an electrically tunable quantum nanoscale corral that traps charged excitons and enables precise electrical control of tiny light sources, including their brightness, color and quantum states, the team, ...

6 hours ago
Medical Xpress / Study uses living human brain tissue to map how electric stimulation affects neurons and genetic activity

Neurons that once encoded a person's memories are now helping researchers identify genetic targets that may one day help preserve memory and slow cognitive decline in others.

13 hours ago
Phys.org / Melting sea ice combines with Arctic sea to make clouds

Scientists have uncovered a previously unknown natural process that dramatically increases the number of cloud-forming particles in the Arctic atmosphere—potentially altering cloud cover, sunlight reflection and future climate ...

19 hours ago
Phys.org / Nanowires restore key functions in aging T cells

For decades, scientists have accepted that the immune system naturally weakens with age. Georgia Tech biomedical engineer and Carl Ring Family Professor Ankur Singh wasn't convinced. Then the COVID-19 pandemic made the stakes ...

6 hours ago
Phys.org / Catalyst converts CO₂ into high-value industrial chemical at room temperature with record efficiency

A research team has developed a highly efficient catalyst that directly converts carbon dioxide—a major contributor to global warming—into high-value industrial 2-propanol. The research was published online in Applied Catalysis ...

7 hours ago
Medical Xpress / No clear evidence that common embryo transfer techniques improve IVF success

Preparation techniques used before embryo transfer, considered the most critical step in the IVF process, show no proven effect on pregnancy rates and remain inconclusive because of limited or low-quality data, a new Cochrane ...

4 hours ago
Medical Xpress / Avoiding three things during middle age is linked to 13 more years without dementia

Having normal blood pressure, no diabetes and not smoking between ages 45 and 65 is associated with nearly 13 additional years of dementia-free life, on average, a new study shows. Led by NYU Langone Health researchers, the ...

8 hours ago
Phys.org / Diffuse inter-filament gas is likely a key fuel source for massive star formation

Researchers from Kyushu University have discovered that diffuse gas surrounding dense filaments in a nearby stellar nursery plays a much larger role in star formation than previously recognized. By tracking the movement of ...

6 hours ago