Your parents may have told you, “Eat your carrots, they’re good for your eyes,” and a new study suggests they were on to something. Pigments called…
A STRAIGHT line is the shortest distance between two points. So light, which never travels farther than it must, moves in straight lines. On flat…
Watching the eyes of a person with ALS might help clinicians assess their brain function, according to a paper in the November 11 PLoS One.…