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At some indeterminate point in the future, humanity must come to an end. It may take centuries. It might take eons. But extinction is unavoidable. In this video, I explore a series of doomsday scenarios to better understand when and how this might happen.
In the late 19th century, a notorious serial killer known as Jack the Ripper prayed on destitute women in the East End of London. Despite an extensive manhunt and a few close calls, the Ripper was never caught. Instead, the murders came to an abrupt end and left behind one of the greatest mysteries in the annals of crime.