Gemini Detects Google AI Media. Agent Skills Go Cross Platform. Guidance Rescues Untrainable Nets. FrontierScience Reveals Gaps.

The AI news for December 19th, 2025 Here are the details of the day's selected top stories: You can now verify Google AI-generated videos in the Gemini app. Source: https://blog.google/technology/ai/verify-google-ai-videos-gemini-app/ Anthropic publishes Agent Skills as an open standard for AI platforms. Source: https://the-decoder.de/anthropic-veroeffentlicht-agent-skills-als-offenen-standard-fuer-ki-plattformen/ Guided learning lets “untrainable” neural networks realize their potential Source: https://news.mit.edu/2025/guided-learning-lets-untrainable-neural-networks-realize-their-potential-1218 GPT-5.2 dominates OpenAI's new science test, but fails at complex research tasks. Source: https://the-decoder.de/gpt-5-2-dominiert-openais-neuen-wissenschafts-test-scheitert-aber-an-komplexen-forschungsaufgaben/