Fractals. Many generations of scientists believed that the wildlife can not be described mathematically. For example, the forest is perceived by us as a jumble of trees of different sizes. Turns out, it's a chaotic cluster has a clear structure that can be identified and described by mathematical laws of fractal geometry, leading us to a whole new level of understanding of natural phenomena.
Watch Fractals. The search for new dimensions
The film is really amazing. Thank you very much Yuri for the link!