From day one, a frog’s developing brain is calling the shots
In brainless frog embryos, muscle and nerve growth goes haywire
![tadpole](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/09/092217_LS_brain-development-tadpole_main_FREE.jpg?fit=860%2C460&ssl=1)
BUSY BRAIN The still-forming brain of a frog sends important messages to the body. When the brain is missing, the body doesn’t develop properly, a new study suggests.
Jason Mintzer/Shutterstock