SN Online

BODY & BRAIN
Broken neural loops distinguish vegetative states. Read “Gravely damaged brains have ‘bottleneck.’ ”

MATTER & ENERGY
Bird plumage inspires a new laser design. See “New laser is from the birds.”

HUMANS
Depression may boost individuals’ analytical skills. Read “Thinking better with depression.”

LIFE
Ancient fungi finally found. See “New fungi the dark matter of mushrooms.”