There is a low probability that women can become pregnant a second time during pregnancy. This so-called phenomenon of “superfetation” is highly unlikely, but nevertheless possible. The last known case of a woman who was pregnant twice at the same time occurred in 2009.
Thomas Stevens is considered to be the first person to have circumnavigated the world on a bicycle. From April 1884 to December 1886, he rode around the globe on a penny-farthing.
A long, thin string is stretched around a part of Manhattan, used by the Jewish population for orientation on the Sabbath.
To date, approximately 5,000 people have had their ashes converted into an artificial diamond after death.
The theory that every person is connected to every other person through a maximum of six relationships goes back to a short...