One of the great mysteries of our time revolves around the true identity of Jack the Ripper (it's one of my favorite topics in history). According to The Daily Mail, due to a lucky purchase from an auction and some forensics work with DNA, the true identity of Jack the Ripper can be revealed as... you'll have to click here to find out.
Or maybe you won't find out. A website called usvsth3m has disputed the claims of The Daily Mail and provides their own evidence rebutting the DNA forensics provided by The Daily Mail. While usvsth3m does not identify whom they believe is the real Jack the Ripper, they do provide some fascinating counter evidence if you click here.
My wife and I always debate the part of vampire lore about why the undead don't cast shadows in mirrors (and neither do their clothes, for that matter). It's nice to see we're not alone in this debate. Andy Boylan takes a look at this in Reflecting on Vampires: Why Don't They Appear in Mirrors?