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Biomaterial made from jackfruit latex is a promising treatment for periodontitis

Biomaterial made from jackfruit latex is a promising treatment for periodontitis Gaby Clark Scientific Editor Robert Egan Associate Editor Researchers from the Faculty of Medical and Health Sciences (FCMS) at the Pontifical Catholic University of São Paulo (PUC-SP) in Sorocaba, in the interior of the state of São Paulo, Brazil, have developed a biomaterial containing jackfruit latex, pomegranate peel extract, and simvastatin (a statin-based medication) that shows promising efficacy in...

Phys.org 7d ago

'Invisible' nicotine grips young people and raises alarm among public health experts

After the WHO warned that nicotine pouches may be addictive and harm brain development, their use is rising in Portugal amid legal limbo, while officials and experts debate regulation of a booming market. Small, discreet and smokeless. Nicotine pouches are gaining ground in Portugal, even before a full legal framework exists for their sale and advertising.

Euronews 9d ago

Bacteria uncover distinct strategy to import rare sugar polymers, crystal structures show

Bacteria uncover distinct strategy to import rare sugar polymers, crystal structures show Sadie Harley Scientific Editor Andrew Zinin Lead Editor Even though sugars are often framed as simple sources of energy, they also serve as structurally complex and functionally diverse molecules that mediate interactions between organisms. Among these, β-1,2-glucans, which are a class of glucose-based polymers, stand out for their varied and sometimes subtle roles. Found across a wide range of...

Phys.org 10d ago

The Betrayal of Black Patriots

Photographs by Nate Langston PalmerDaniel “Chappie” James Jr. became commander of the Wheelus Air Base, near Tripoli, just after rebels under Muammar Qaddafi took control of Libya in a coup in 1969. In the midst of the insurgency, Qaddafi led an effort to break into the U.S. air base, but James managed to close the gate in time to prevent the young rebel from entering. The incident, which James recounted in a 1978 interview, would come to be the stuff of Air Force lore.

The Atlantic 1d ago

Hidden tick saliva protein may help stop disease spread at source

Hidden tick saliva protein may help stop disease spread at source Andrew Zinin Lead Editor Few creatures inspire as much universal dislike as ticks. Though small, these parasites have an enormous impact on human and animal health. Each year, ticks spread viruses and bacteria that infect people, livestock, wildlife, and pets around the world.

Phys.org 10d ago

Mitochondria directly interact with the nuclear pore complex

Abstract Mitochondria regulate cellular processes through direct and indirect interactions with other organelles. A well-studied example has been contact with the endoplasmic reticulum at mitochondrial-associated endoplasmic reticulum membranes1, which control pathways including redox and calcium homeostasis2,3. Recent studies have also reported direct mitochondria–nuclear membrane contacts in cancer cells and yeast that promote pro-survival signalling4,5.

Nature 21h ago

Protected bike lanes, not painted lanes, lift NYC bikeshare ridership, analysis shows

Protected bike lanes, not painted lanes, lift NYC bikeshare ridership, analysis shows Gaby Clark Scientific Editor Robert Egan Associate Editor Protected bike lanes increase Citi Bike ridership in New York City, but painted bike lanes and sharrows do not show a statistically significant causal effect on ridership after accounting for confounding factors, according to a new study from researchers at NYU's Tandon School of Engineering published this week in npj Sustainable Mobility and...

Phys.org 1d ago

D&D-seq maps DNA-protein interactions in single cells with multi-omics compatibility

D&D-seq maps DNA-protein interactions in single cells with multi-omics compatibility Sadie Harley Scientific Editor Robert Egan Associate Editor A new technology allows scientists to map, in single cells, the DNA binding sites of transcription factors and other regulatory proteins that control gene activity, according to a study led by investigators at Weill Cornell Medicine and the New York Genome Center. With key advantages over methods currently in use, the technology is expected to be a...

Phys.org 6d ago

Hearing loss is bad for the whole body – but new treatments are coming

I’m sitting in a soundproof booth at an audiologist’s office, wearing headphones and straining to hear some faint electronic noises. When I think I’ve heard one, I press a button. Was that real or did I imagine it?

New Scientist 8d ago

JEE Advanced 2026 topper Shubham Kumar: 'No social media helped me secure AIR 1'

The results of the Joint Entrance Examination (JEE) Advanced 2026 were declared on May 31, and All India Rank (AIR) 1 holder Shubham Kumar had little reason to be surprised. The Bihar native, who moved to Kota two years ago for preparation, says avoiding social media, limiting phone use and focusing on long-term goals helped him secure the top rank in one of India's toughest engineering entrance examinations. The 18 year old from Bihar's Gaya district says he had spent the last two years...

Times of India 9d ago