Daily Research Brief 2026-04-20

📊 Token usage: estimated from retrieval and writing scale.

Covers the latest AI research, open source and industry moves, updated daily.

Editor’s Note

Palantir posted a mini-manifesto denouncing inclusive language; it takes 2 minutes to hack the EU’s new age-verification; Colossal Biosciences cloned red wolves; Chinese tech workers are starting to train the very models that may replace them.

1. Latest arXiv Papers

1. Foundation Models in Robotics: A Comprehensive Survey — https://arxiv.org/abs/2604.15395

2. Iterated Invariant EKF for Quadruped Robot Odometry — https://arxiv.org/abs/2604.15449

3. MOMENTA: Mixture-of-Experts Over Multimodal Embeddings — https://arxiv.org/abs/2604.16172

4. The Synthetic Media Shift: Tracking the Rise of AI Content — https://arxiv.org/abs/2604.15372

5. Portable Medical Imaging in Modern Healthcare — https://arxiv.org/abs/2604.15378

6. RelativeFlow: Taming Medical Image Denoising with Learned Priors — https://arxiv.org/abs/2604.15459