Worms navigate narrow paths faster than wide ones – these findings could inform robot design

(THE CONVERSATION) You might naturally expect a wide, open path to be faster and easier to navigate than a narrow one, just as birds fly freely through the open sky, cars move quickly on empty roads, ...

What would you see if you had one eye on the back of your head and the other in the front?

As you can see by looking at yourself in the mirror, our two eyes sit side by side on the front of our heads. Since our eyes are a couple of inches apart, each eye has a slightly different perspective ...