Researchers have significantly enhanced an artificial intelligence tool used to rapidly detect bacterial contamination in food by eliminating misclassifications of food debris that looks like bacteria.

In a significant breakthrough for cancer immunotherapy, collaborative studies published simultaneously in Immunity & Inflammation and Nature have demonstrated a critical molecular mechanism that drives CD8⁺ T cells into a dysfunctional “exhausted” state within tumors. The studies reveal how chronic antigen exposure opens a molecular switch—the suppression of the FOXO1-KLHL6 axis—to promote T cells toward exhaustion, providing a promising new target for intervention.

Osteoarthritis often goes undetected until cartilage damage is advanced, limiting treatment options. A new study shows that molecular changes in subchondral bone occur earlier and can signal disease progression before cartilage loss. Using spatial mass spectrometry imaging and synovial fluid proteomics, researchers identified bone-derived protein signatures beneath intact cartilage that were also detectable in joint fluid. These findings point to promising, less invasive biomarkers for earlier diagnosis and improved monitoring of osteoarthritis progression.

While heart rate variability (HRV) is a standard measure of the autonomic nervous system activity, its real-time monitoring is often compromised by inter-patient variability and data contamination from procedural artifacts. Addressing these challenges, researchers from Fujita Health University developed a computational framework for robust and personalized real-time HRV analysis, adapted for clinical applications. The framework integrates each patient’s HRV indices with a mechanism to manually annotate artifact-prone periods, making the analysis accurate and patient-specific.

Phishing websites remain a persistent cybersecurity threat, exploiting users by imitating trusted online services. New machine-learning tools could help organisations flag more phishing sites before they harm users and steal credentials. A Sultan Qaboos University study shows data-driven models substantially outperform traditional approaches