In Episode 2 of Vichaar and subsequent posts, we looked at movement in the brain and movement in dance, stillness as a contrast to movement, and subtle movements of the eyes known as "saccades". However, what underlies the evolution of movement? 
In this video, we see baby geese moving their legs, bodies, and beaks as they explore the environment around them. Animals move to seek food, mates, or shelter, or to get away from predators. The movement of animals to find suitable habitat can be either directed movement (called "taxes") or undirected movement (called "kineses") [1]. Speaking of habitat, movement and migration patterns are intricately related with social interaction in a species, e.g. in an experiment done in guppies [2].Human movement and mobility are intricately linked with our ability to walk on two legs (i.e. bipedalism), and are thought to have played a central role in our evolution [3].