Brain’s physical structure may help guide its wiring
Stiffness, softness determine if nerve cells’ axons take straight or meandering path
![Axons](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/09/091916_LS_axon_main_0.jpg?fit=860%2C460&ssl=1)
MAKING CONNECTIONS Axons (grayish-white strands, center) that form a signal-sending pathway in the visual system grow toward their destination in an embryonic frog brain.
Eva Pillai