How a single evaluation choice inflated my results by 25 points, and what rebuilding honestly taught me about ML systems people might depend on The post My Fall-Detection Model Scored 94%, and It Was Lying to Me appeared first on Towards Data Science. Read More

Nature Medicine, Published online: 07 August 2026; doi:10.1038/s41591-026-04577-2 Across 810 conversations, an evaluation framework finds that AI chatbots often amplify simulated users’ psychological vulnerabilities, revealing persistent safety risks in mental health contexts. Read More

Nature Medicine, Published online: 07 August 2026; doi:10.1038/s41591-026-04585-2 This whole-genome sequencing study based on 7,851 parent−offspring families shows that parental age and assisted reproductive technologies influence the number and types of de novo mutations, highlighting potential health impacts and the need to optimize reproductive practices. Read More

Compared with standard flu shots, Moderna’s mFlusiva generates stronger, longer-lasting immunity and is more effective at preventing infection, data show. Read More

A sweet tooth for sugars from fruits and honey may have helped fuel brain growth in our primate cousins and early human ancestors, a new study suggests. Read More