Grate tongue

pink tongue could feel so abrasive, like a pliant file on the skin. Under a microscope, the tongue’s surface is far from flat, but has “bar...

Do the external ears really help?

hearing . Do the external ears really help that much, or is their sensitive hearing all a matter of internal sensors? As with human ears, ...

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...