ScienceDaily
Massive study links teen marijuana use to double the risk of serious mental illness
A landmark study of over 463,000 adolescents has found that teen cannabis use is associated with twice the risk of developing serious mental illnesses, including psychotic and bipolar disorders. Crucially, marijuana use typically preceded diagnoses by nearly two years, suggesting a potential causal link rather than coincidental correlation. The findings add significant weight to calls for stricter protections around adolescent access to cannabis as legalization continues to expand.
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Climate change to blame for intensity of Europe heat wave: Scientists
Record-breaking heat currently gripping Europe would have been "virtually impossible" without human-caused climate change, scientists confirmed Friday. The finding adds to a growing body of evidence directly linking fossil fuel emissions to extreme weather events. As temperatures continue to shatter records across the continent, researchers say the findings underscore the urgent need for accelerated climate action.
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NASA races to save Swift telescope from falling back to Earth with daring rescue mission
NASA is working urgently to prevent the Swift Space Telescope from an uncontrolled reentry, deploying a rescue strategy to extend the aging observatory's orbital life. The mission underscores the growing challenge of managing aging spacecraft as low-Earth orbit becomes increasingly contested. Swift, which has spent two decades studying gamma-ray bursts and other high-energy phenomena, remains a valuable scientific asset worth fighting to preserve.
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New vitamin B12 therapy shows promise against deadly brain cancer
A vitamin B12–based compound has demonstrated a targeted approach to treating glioblastoma, one of the deadliest and most treatment-resistant brain cancers. The compound crosses the blood-brain barrier — a longstanding obstacle in brain cancer therapy — and accumulates directly in tumor tissue, releasing nitric oxide to attack cancer cells. Early animal studies show it also amplifies the effectiveness of existing treatments, raising hopes for a meaningful advance in a disease with few good options.
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Peptide alternative to antibiotics could combat antimicrobial resistance crisis
Researchers at the University of Alberta have developed D-GK17, a human-derived peptide that targets the surface of bacteria and fungi responsible for forming biofilms — the stubborn, antibiotic-resistant colonies that make many infections nearly impossible to treat. Published in Cell Biomaterials, preclinical results show the compound is both stable and nontoxic to humans. With antimicrobial resistance projected to become one of the leading causes of death globally, a biofilm-busting peptide therapy could represent a critical new weapon in the fight against drug-resistant infections.
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