Stochastic modelling is the development of mathematical models for non-deterministic physical systems, which can adopt many possible behaviours starting from any given initial condition. Monte-Carlo ...

Some children tend to "toe walk" rather than walking on their feet. This is the same as standing on your tiptoes, and it's common in children who are learning to walk. After they've learned how to ...

Sharks have roamed the world’s oceans for hundreds of millions of years. In that time, many species have barely changed. But some strange sharks are still evolving—and have even learned to walk. Meet ...