CAT-GAN-UKF: category-aware online adaptive unscented kalman filtering for trajectory-level multi-object state estimation
Snails taste light. A new ocean snail uses its shell as a giant light-sensing eye, turning its entire body into a camera for predator detection.
Why it matters: First known animal to use its skeleton as a compound eye, redefining how we think about vision.
Full briefing in bio.
https://www.nature.com/articles/s41598-026-52277-1
