According to a Gizmodo report, paleontologist Marcus Key of Dickinson College has analyzed the black limestone tombstone found in the 1617 church at Jamestown. The stone features an outline of a person wearing armor, and probably a shield and sword, suggesting that the tombstone was carved for a knight. The stone is therefore thought to have belonged to Sir Thomas West, who died in 1618 while sailing to Jamestown, or Sir George Yeardley, the slave-owning colonial governor. Key determined that microfossils of single-celled organisms called foraminiferans were embedded in the limestone. "These species did not co-occur anywhere in North America,"...