SN Online
By Science News
ON THE SCENE BLOG
Deep brain stimulation shows promise for treating spinal cord injuries. Read “Brain zap helps spine-damaged rats walk.”

ATOM & COSMOS
Two white dwarf stars may have triggered a supernova that left bubble-shaped remains. See “No companion in supernova debris.”
HUMANS
A small-scale society figures out how to put an end to years of violence. Read “In New Guinea, peace comes with a price.”
ENVIRONMENT
Poor ventilation in classrooms may affect student cognition. Learn more in “Elevated carbon dioxide may impair reasoning.”