Yawns are more contagious among people with closer relationships.
163
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
In Japan, more adult diapers are sold than baby diapers.
50
One in three dog owners say they have talked to their pets on the phone.
427
In 1386, a pig in France was executed by public hanging for the murder of a child.
469