Ear range

Recall that an octave is the range of sounds, higher or lower, from one musical note to the next corresponding note—say, from C to the next ...

Bright-eyed to the end

eyes seem to close more often for sleep.

Bi-eyes

amber , and you’ll usually find it among white cats. It’s a genetic oddity that is little understood. Some people find it unpleasant to look...

Nictitate = wink

Your cat possesses one more eyelid (per eye) than you do. This is the haw eyelid, or nictitating membrane. (The verb nictitate means “to win...

A soft-focus world

vision is superior to ours. Their amazing ability to sense motion (obviously something that would be highly useful to a predator seeking pr...

Focusing on details

Cats amaze people with their ability to focus in on some tiny object—say, a gnat or a tiny lizard crawling on the fence. The retina of a cat...

Can they see in color?

eyes have two types of sensory cells: rods sense shape and cones sense color. (The old memory trick for sorting out which is which is to re...