There’s a reason fashion designers look to animal prints for inspiration. Creatures have evolved a dizzying array of patterns: stripes, spots, diamonds, chevrons, hexagons and even mazelike designs.

But if the substances diffuse through tissues at different speeds and some random fluctuations are introduced, it can yield a pattern of stable spots on fur, feather or scale. Say the activator is ...

People often repeat unhelpful thinking patterns, or "loops." Use ChatGPT to identify invisible habits by analyzing emotional triggers, decision-making styles, and self-limiting beliefs. By making ...