Post

1. Here's a fish swimming upstream. Nothing unusual about that. What's unusual is that this particular fish is *dead*. Vortices in the water as it flows past the fish cause the fish's body to flex, maintaining orientation and actually propelling it forward. (D. N. Beal et al 2006 J. Fluid. Mech.)

2. Bing Brunton and John Tuthill use this example and others to argue that neuroscientists will need to develop embodied models of brains if they hope to understand how animals actually work. /end