Monthly Archives: August 2017

Cats and other vertebrate animals yawn. Cats can even catch yawns from people.
People yawn from before they are born until old age. We yawn when we’re tired. We yawn when we’re bored. We yawn when we see other people or our pets do it. Other vertebrate animals do it too, including cats, dogs, fish, birds, and snakes. Science hasn’t completely nailed down […]

Why Do We Yawn? Science Explains

The visual center of brains of blind people may be active and produce lights and colors.
One of the most common questions blind people get asked about their blindness is “What do you see?” Unless the blind person formerly had sight, there’s no frame of reference to describe the experience. A person blind from birth typically doesn’t see anything… not black, not gray, not white. It’s […]

What Do Blind People See?