You probably knew that Thomas Jefferson had a fling with one of this female slaves, at least judging by DNA findings.
But you may not have known something else: geneticists thought Jefferson might have had some recent heritage from Egypt, of all places, or somewhere else in the Middle East.
So much for that: New DNA tests suggest that Jefferson's heritage lies in Wales, as had earlier been assumed.
This news is certainly obscure even for history buffs. But I'm posting this mainly because I love what a professor told the BBC:
Why aren't the scientists I interview so bloody quotable?