Fossil reveals an ancient arthropod’s nervous system
Ventral nerve cord controlled critter’s many legs
![Chengjiangocaris kunmingensis](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/03/030115_ht_ancientbugnerves_main-scale_free.jpg?fit=860%2C460&ssl=1)
ROCK STAR The ancient arthropod Chengjiangocaris kunmingensis looked crustaceanesque with a large head, long body and paired legs — and a ventral nerve cord (dark horizontal line above the legs is part of a preserved cord).
Jie Yang