A Mathematician with early access to XAI Grok 4.20, found a new Bellman function for one of the problems he had been working ...

In this video, a gnarly tree root is transformed into a delicate Christmas bell. The root, rich in dirt and natural textures, is cast in resin to enhance its strength and visibility. After careful ...

Natural selection uses duplicated genes as raw material for functional innovation, co-opting their existing features to new functions. Understanding genetic innovation requires two questions to be ...