The reason why Netflix's envelopes are rectangle instead of square is because the UPS charges more for square envelope. In 2011, postage would have cost Netflix more than $225 million in additional charges if they had used square envelopes.
Ever wondered why a dog can move its ears so freely? There are at least 18 muscles in a dog's ear which all work separately, making movement in this area very easy.
It is predicted that the reason why night insects, such as moths, are attracted to lights is because they mistake them for the light of the moon, which they used to navigate the earth before mankind made artificial lights.
