Since it was first reported in England in the 1970s, this low-frequency humming has spread around the world. No one has been able to trace its source.
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Feb 18
Did the Pope Cover Up His Son's Murder?
When Juan Borgia died in 1497, his father, Pope Alexander VI, swore he’d find the killer. But just two weeks later, the Pope suddenly closed the case – without naming or punishing the murderer. The Pope might have covered up the killer’s identity for political reasons… or because ... Show More
47m 14s
Feb 11
The Spymaster and the Exiled Queen: Was Mary Queen of Scots Framed?
By the time she was 25, Mary, Queen of Scots had lost her thrones in two countries, France and Scotland. And officially, she was executed for conspiring to take a third throne: England’s. But was Mary naive enough to get caught committing treason? Or was she a shrewd politician w ... Show More
54m 37s