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Dialog / From spider webs to mosaics: How nanosheets of graphene oxide control the patterns left by a drying droplet

A drop of coffee on a tabletop often leaves a dark ring behind. This everyday mark is a reminder that a drying droplet is not passive: As water evaporates, it can transport the particles suspended inside it toward the edge. ...

Sep 21, 2026
Phys.org / Scientists reveal how our cells conduct emergency repairs for DNA

Two new studies from Johns Hopkins University are providing scientists with an unprecedented view of how human cells repair one of the most dangerous forms of genetic damage: a break that severs both strands of the DNA double ...

Sep 21, 2026
Medical Xpress / Newborn girls and boys show different attention patterns within hours of birth

Cambridge scientists have shown that girls and boys differ in what they pay attention to, even at birth. Since these differences are present so early, it is possible they emerge due to prenatal factors. The findings suggest ...

Sep 21, 2026
Phys.org / Engineered nanoparticles sensitize gliomas to radiotherapy

Gliomas are a major cause of cancer-related deaths in younger adults. About 7,000 patients harbor a common genetic mutation that affects the enzyme isocitrate dehydrogenase 1. This mutated enzyme, called mIDH1, can produce ...

Sep 21, 2026
Phys.org / The monsters that weren't: Dinosaur and tusked-beast claims in San rock art unravel

For decades, an idea has grown in paleontology that, long before scientists began digging up and reconstructing dinosaur bones, the Indigenous San and Basotho in southern Africa noticed them too, incorporating them into songs, ...

Sep 19, 2026
Phys.org / How the pro‑nicotine 'wellness' movement rebranded an addictive drug

An ironic development emerging alongside the "Make America Healthy Again" movement is the portrayal of nicotine as a wellness and performance-enhancing product. Across social media, podcasts, wellness communities and tech ...

Sep 22, 2026
Tech Xplore / Toward physical AI: When the hardware becomes the neural network

Digital computing using silicon chips has transformed nearly every aspect of modern life and enabled the remarkable growth of artificial intelligence. But as AI models scale up, that growth comes with increasing demands for ...

Sep 21, 2026
Phys.org / A 'rebellious' exoplanet orbits in the opposite direction of its star

A star and its planets form when a cloud of gas and dust collapses in on itself somewhere in space. The cloud then forms a disk around the nascent star, within which the planets will form. This protostar and its disk then ...

Sep 21, 2026
Phys.org / New nanoparticle drug-delivery method may improve treatment for endometriosis

Researchers have engineered a drug treatment that shows rapid effectiveness against endometriosis in early testing, laying the foundation for a potential therapy for an incurable, chronic disease that affects 1 in 10 women. ...

Sep 21, 2026
Phys.org / New ligand design balances radical generation and catalyst regeneration for challenging chemical reactions

Radicals, atoms or molecules that readily react with other substances to form new bonds, are useful tools for building complex substances such as pharmaceuticals. But even when a radical is generated efficiently, the reaction ...

Sep 21, 2026
Medical Xpress / Two protective genetic pathways may converge to reduce Alzheimer's disease risk

Alzheimer's disease is the most common form of dementia worldwide. Although the APOE ε4 allele is the strongest genetic risk factor for late-onset Alzheimer's disease, not all carriers develop dementia, indicating that other ...

Sep 21, 2026
Phys.org / Plasma technology could help plant-based packaging replace plastic

A new study has found a sustainable and scalable way to improve the durability of plant-based packaging; it's a discovery that researchers say could help curb the environmental footprint of plastic. Researchers used advanced ...

Sep 21, 2026