Have you ever heard of fern frost? Cathy from Lewiston recently took this photo of fern frost on her window. What exactly is fern frost and how does it form? Fern frost, or flowers, form on frigid ...
The math that describes the branching pattern of trees in nature also holds for trees depicted in art—and may even underlie ...
Pattern formation is the developmental process by which cells acquire different identities, depending on their relative spatial positions within the embryo. Pattern formation ensures that tissues ...