~ Irish surnames had an original significance. "O" meant grandson of; "Mac" meant son of.
~ Catoptrophobia is the fear of mirrors.
~ Miss Piggy's full name was Miss Piggy Lee, in humor and tribute to singer Peggy Lee. The Lee in Miss Piggy's name was used only once on the show. It was dropped to avoid upsetting Peggy Lee.
~ The name polka dots dates back to the mid to late 19th century, when the dance, the polka, was popular, and businessmen attempted to cash in on the craze by adding "polka" to the names of all sorts of products, ranging from socks, hats, and curtains to dotted fabrics. The latter outlived the fad, and the rest disappeared.
~ Uranus, because of its unusual (almost 90-degree) tilt as it orbits the sun, experiences 42 earth years of constant summer followed by 42 earth years of dark winter.